mod 07 tons of mcq

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JAR 66 Module 7 Exam Practice Exam Module 7 Maintenance Practices This is exam number 1. 1. Where would you disconnect a chain? a) At a bolted joint b) At a spring clip joint c) At an riveted joint Answer: A 2. How many strokes per minute should be used with a hacksaw? a) 30 b) 55 c) 60 Answer: A 3. Unused holes in an electrical multi-pin connector should be a) Fitted with pins b) Fitted with blanks c) Left open Answer: B 4. How many times can a locking plate be used? a) Once, then discarded

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Page 1: mod 07 tons of mcq

JAR 66 Module 7 Exam Practice ExamModule 7

Maintenance Practices

This is exam number 1.

1. Where would you disconnect a chain?a) At a bolted jointb) At a spring clip jointc) At an riveted jointAnswer: A

2. How many strokes per minute should be used with a hacksaw?a) 30b) 55c) 60Answer: A

3. Unused holes in an electrical multi-pin connector should bea) Fitted with pinsb) Fitted with blanksc) Left openAnswer: B

4. How many times can a locking plate be used?a) Once, then discardedb) Indefinitely providing it is a good fit around the component to be lockedc) 3 times, then discardedAnswer: B

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5. In a front release connector the pin will bea) Released from the front and extracted from the rearb) Released from rear and extracted from the frontc) Released from the front and extracted from the frontAnswer: A

6. What cable would you use where temperatures are going to exceed 200 degrees C?a) Aluminumb) Silver platedc) Nickel platedAnswer: C

7. Brinelling of a wheel bearing could be caused bya) Heavy landingb) Rotation of the outer race in the wheel housingc) Overheating of the brakesAnswer: A

8. A hi-lock collar should bea) Lubricated before fittingb) Washed in solvent before fittingc) Not lubed or washed because they are lubed at manufactureAnswer: C

9. A CAA issued capability list givesa) Details of the scope and extent of a type rated engineer's licenseb) Details of the scope and extent to which an organization's approval is grantedc) Details of the operational restrictions in terms of manoeuvres (g.forces) placed on a transport category aircraft at the time of issue of a C of A.Answer: B

10. Mandatory Warning Plaques and symbolsa) Must be displayed on all flightsb) Must be displayed in the cabin only if they are legiblec) Need not be displayed if they are incorporated in the flight manualAnswer: A

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This is exam number 2.

1. A chain removed for routine inspectiona) Does not need proof loadingb) Must be proof loaded to 50%c) Must be proof loaded to 150%Answer: A

2. Taper pins resist what loadsa) Shear ***b) Tensionc) CompressionAnswer: A

3. The pipe flaring angle isa) 37° ***b) 25°c) 45°Answer: A

4. What is a drill cutting angle?a) 59°b) 12° - 15°c) 125° - 135°Answer: A

5. When drilling out a rivet, use a drilla) Same size as the holeb) Larger than the holec) Smaller than the holeAnswer: A

6. A dry joint in soldering is caused bya) Flux not usedb) Components not hot enoughc) Wrong solder usedAnswer: B

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7. What type of drill would you use on carbon fibre?a) Carburundumb) Tungsten carbidec) Diamond tippedAnswer: A

8. After welding why would you normalize to?a) Remove carbon build up from the welded jointb) Release the stresses from the materialc) Remove oxidation from the welded jointAnswer: B

9. A stud broken off below the surface is removed bya) Using a stud boxb) Cutting a slot in it and removing with a screwdriverc) A stud remover tool fitted into a drilled holeAnswer: C

10. Following a major defect the C of Aa) Will be suspended until the defect is rectified.b) Will be invalidated and needs renewing.c) Is not affected, however may run out on a time basis.Answer: C

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This is exam number 3. 1. Brinelling of a bearing isa) Shallow smooth depressions caused by the rollers being forced against the cup, due to overtorquingb) Blueing of the bearing due to overheatingc) Indentations in the race surface caused by continual static vibrationAnswer: A

2. The purpose of a joggle isa) To act as a tear stopperb) To produce a flush fit at a metal jointc) To make the holes for a rivet line upAnswer: B

3. When riveting two dissimilar sheets of metal together the joint should be protected witha) Paintb) Greasec) Jointing compoundAnswer: C

4. Caustic soda applied to a metal turns black. This would indicate the metal isa) Aluminumb) Duraluminc) Magnesium alloyAnswer: B

5. Proof testing after cable installation isa) Not requiredb) Sometimes requiredc) Always requiredAnswer: A

6. An aircraft control chain is connected usinga) A split link and spring clipb) Quick release pinsc) Nuts and boltsAnswer: C

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7. If a control chain can be lifted clear of a tooth, it should bea) Removed and an elongation check carried outb) Cleaned, retensioned and inspected after a period of timec) Rejected as unserviceableAnswer: A

8. A control cable that has been contaminated with acid should bea) Cleanedb) Cleaned, inspected, and reinspected after a period of timec) RejectedAnswer: C

9. Removal of a scratch from a sheet of metal requiresa) Burnishingb) Blendingc) PolishingAnswer: A

10. When dimpling a sheet of metal you would requirea) A male die onlyb) A male and female diec) An oversized rivet and special reaction blockAnswer: B

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This is exam number 4.

1. A micro-shaver is used toa) Cut rivets to length prior to formingb) Trim the shank diameter prior to formingc) Mill the rivet head after formingAnswer: C

2. The skin on an aircraft is normally manufactured froma) 2024 aluminium alloyb) 2117 aluminium alloyc) 7075 aluminium alloyAnswer: A

3. Springs are manufactured froma) High carbon alloy steel with low strength requirementsb) Low carbon alloy steel with high strength requirementsc) High carbon alloy steel with high strength requirementsAnswer: C

4. The mold point isa) An imaginary point from which real base measurements are providedb) The centre of curvature of a radiused corner in a metal fabricated componentc) The mid point in the thickness of a sheet of metal to which the radius dimension is calculatedAnswer: A

5. Relief holes area) Holes drilled in the corner of a metal box to prevent crackingb) Holes drilled in a battery container to provide drainagec) Holes drilled to stop a crackAnswer: A

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6. The 'setback' isa) The distance from the mold point to the bend tangent lineb) The distance from the bend tangent line to the setback linec) The distance from the edge of the metal to the bend tangent lineAnswer: A

7. A balance cable is installed in a control system toa) Allow the aircraft to be flown 'hands off'b) Correct for wing heavinessc) Enable the cable to be tensionedAnswer: C

8. Faying surfaces area) Surfaces that have been treated with anti-corrosion compoundb) Surfaces that are stressedc) Surfaces that are in contact with each otherAnswer: C

9. After a heavy landing you should inspecta) The engine module alignmentb) The engine thrust alignmentc) The engine toe-inAnswer: B

10. The flux used during brazing is a mixture of water anda) Borax powderb) Hydrochloric acidc) Zinc chlorideAnswer: A

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This is exam number 5.

1. A wear check on a cylinder head valve spring should includea) Diameter and lengthb) Length under loadc) Length off-loadAnswer: B

2. A tapered roller bearing is designed to takea) Radial loads onlyb) Axial loads onlyc) Both radial and axial loadsAnswer: C

3. When riveting, the distance from the edge to the rivet (land) should not be less thana) 1Db) 2Dc) 4DAnswer: B

4. The type of flux to be used when soft soldering on aircraft isa) Activeb) Non-activec) Either active or non-activeAnswer: B

5. When carrying out a pressure test on a pipe it should bea) Twice the working pressure for two minutesb) Three times the working pressure for five minutesc) 1.5 times the working pressureAnswer: C

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6. When checking a hose after installation it should be checked for freedom of movementa) By flexing +/- 15o either side of the neutral positionb) By flexing through the normal operating range plus 15°c) By flexing through the normal operating range onlyAnswer: B

7. If the outer cover of a flexible hose is found to be crackeda) It is unserviceable since it may have a restricted flowb) It is unserviceable since it may leakc) It may still be serviceableAnswer: C

8. A rigid hydraulic pipe requires shaping. It should be carried outa) As suppliedb) After annealingc) After age hardeningAnswer: A

9. The maximum permissible bow in a steel tube isa) 1:400b) 1:600c) 1:200Answer: B

10. The strength of a riveted joint compared to that of the original metal isa) 75%b) 100%c) 125%Answer: A

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This is exam number 6.

1. A repair has a double riveted joint. The shear strength would bea) 75%b) 100%c) 125%Answer: A

2. The equipment required to carry out a run-out check on a shaft would bea) A DTI and 'V' blocksb) A ball bearing and a micrometerc) A surface plate and a three leg trammelAnswer: A

3. Fretting corrosion on a braided pipe would mean it wasa) Unserviceable and should be replacedb) Not necessarily unserviceablec) Only unserviceable if the corrosion penetrates the braidsAnswer: A

4. When weighing an aircraft the hydrostatic weighing units are positioneda) One under each jackb) One on top of each jackc) Either under or on top of each jackAnswer: B

5. To enable a composite panel to dissipate static charge it would be sprayed witha) Aluminium paintb) Ferrous paintc) Polyurethane paintAnswer: A

6. When carrying out a dye penetrant test, after the developer has been applied it should be inspecteda) As soon as the developer is dry and again after approximately 10 minutesb) After 30 minutesc) After 1 hour

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7. How many teeth per inch are there on a fine hacksaw blade?a) 16b) 32c) 64Answer: B

8. What is the cutting angle of a drill?a) 130°b) 59°c) 12°Answer: B

9. When inserting a helicoil insert, which way does the tang face?a) Towards the holeb) Away from the holec) Towards the mandrilAnswer: A

10. When using a moving coil as an ammeter the greatest amount of current flows through thea) Coilb) Shuntc) BushesAnswer: B

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This is exam number 7. Answer

1. 2 3 4 5 6 7 8 9 10A A B B B B B B C C

1. During a colour contrast test the penetrant time should bea) Longer for a small crackb) Shorter for a small crackc) Longer for a wide crack

2. When using the old style vernier caliper for taking internal measurementsa) Add the nib measurementsb) Subtract the nib measurementsc) The nib size has no relevance and can be ignored

3. To carry out an insulation test on a wire rated at 115 volts you would usea) A 500 volt meggerb) A 250 volt meggerc) A 115 volt megger

4. How would you test a mach switch in-situ?a) It is not possible to test a mach switch in situb) Use an external test kitc) Use built in test equipment

5. A wire clamped vertically at one end and horizontally at the other end should have a bend radius of no less thana) 10 times the diameter of the wireb) 3 times the diameter of the wirec) 5 times the diameter of the wire

6. The standard minimum rivet row spacing is

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a) 3 Db) 4 Dc) 2 1/4 D

7. In sheet metal bending, how would you measure the bend radius to calculate the bend allowance?a) Measure to the outside of the bend radiusb) Measure to the inside of the bend radiusc) Measure to the inside of the bend radius plus half the metal thickness

8. A dry joint when soldering is caused bya) Too much fluxb) Too little heatc) Too large an iron

9. What elements is solder made from?a) Tin, lead and silverb) Tin, lead and copperc) Tin and lead only

10. How should a dye penetrant field kit be stored?a) At a cold temperature in a darkened roomb) In direct sunlightc) At room temperature away from direct sunlight

This is exam number 8.

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Answer

1. 2 3 4 5 6 7 8 9 10C A B A A C B B B C

1. When carrying out a colour contrast test on a pressure vessela) The dye should be applied to the outside and the developer to the insideb) Both the dye and the developer should be applied to the outsidec) The dye should be applied to the inside and the developer to the outside

2. After a reported lightening strikea) The flight controls should be checked for full and free movement before the next flightb) The flight controls need to be checked for full and free movement only if a bonding lead to one of the control surfaces is found to be burned or brokenc) The aircraft and its systems must have a major overhaul before the next flight

3. Aircraft below 5700kg not used for commercial air transport purposes are required to be reweigheda) Every 5 yearsb) As required by the CAAc) Every 2 years

4. When an aircraft has been reweighed under JAR OPS, what should be done to the old weight and balance report?a) Destroyed after 3 monthsb) Kept in the aircraft logbookc) Kept in the weight and balance schedule

5. When the park brake has been applied on an aircraft which has a pressurized hydraulic system and is reading maximum system pressure, the brake gauges to the left and right main wheels will reada) Full system pressureb) No indicationc) Full scale deflection

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6. What tap do you use when fitting a Helicoil?a) The same as the original thread sizeb) The next size up from the original tap sizec) The tap supplied with the Helicoil kit

7. What is the maximum bow allowed in a strut?a) 1 in 200b) 1 in 600c) 1 in 500

8. On a hollow tube where would a small indentation normally be unacceptable?a) In either of the outer 1/3 portion of the tubeb) In the mid 1/3 sectionc) Nowhere on the tube is an indentation acceptable

9. After a report of flight through heavy turbulence, you woulda) Carry out a major overhaulb) Check the aircraft symmetryc) Not carry out any checks

10. When leak testing with a colour contrast field kit, the soak time for a component less than 1/8 in. (3mm) thick would bea) At least the normal soak timeb) At least twice the normal soak timec) At least 3 times the normal soak time

This is exam number 9. Answer

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1. 2 3 4 5 6 7 8 9 10B A B B C A C C A C

1. The normal drill angles area) Cutting angle 130o, web angle 59o and clearance angle 12ob) Cutting angle 59o, web angle 130o and clearance angle 12oc) Cutting angle 12o, web angle 130o and clearance angle 130o

2. To check a chain for articulationa) It should be run over the finger through 180o and checked for smoothness and kinksb) Move each link individually and check for tightnessc) Lay on a flat surface and check for kinks

3. Glycol de-icer fluid in contact with a silver cable can causea) Corrosionb) A firec) Disintegration of the cable insulation

4. With a rear release connecter, the pin will bea) Released from the front and extracted from the rearb) Released from the rear and extracted from the rearc) Released from the rear and extracted from the front

5. The maximum operating temperature for a nickel plated copper or aluminium connector isa) 135oCb) 200oCc) 260oC

6. What gauge of pin would a yellow plastic insert / extract tool be used on?

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a) 12 - 10b) 22 - 18c) 16 - 14

7. Can the insulation grip be adjusted on a PIDG crimp tool?a) Nob) Yes by turning a knobc) Yes by adjusting the pins

8. The abbreviation “A/F” meansa) American Fineb) Associated Finec) Across Flats

9. This drawing indicatesa) A blind holeb) A countersunk holec) A counterbored hole

10. The width of a visible outline on a drawing isa) 0.3 mmb) 0.5 mmc) 0.7 mm

This is exam number 10.

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Answer

1. 2 3 4 5 6 7 8 9 10B C C C A B A A C B

1. What gauge of pin would a red plastic insert / extract tool be used on?a) 12 - 10b) 22 - 18c) 16 - 14

2. What cable would you use where temperatures are going to exceed 200°C?a) Tinned copper or aluminiumb) Silver plated copper or aluminiumc) Nickel plated copper or aluminium

3. When weighing an aircraft by the weighbridge method the aircraft isa) jacked and levelledb) only levelled laterallyc) resting on the wheels

4. What test do you do on a bonded join?a) shearb) tensionc) peel

5. Skin wrinkling on the lower surface of a wing is caused bya) hoggingb) saggingc) tension

6. The maximum temperature for Nyloc nuts isa) 100oCb)120oCc) 160oC

7. What type of grinding wheel would you sharpen an HSS drill bit on?

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a) A fine wheelb) A course wheelc) A green wheel

8. When using a reamera) use the same lubricant as was used on the drill bitb) use lard oilc) use no lubricant

9. The maximum value of bonding of a secondary structure isa) 1 kilohmb) 1 megohmc) 1 ohm

10. How long should a fireproof cable last in a fire?a) 5 minutesb) 15 minutesc) 50 minutes

This is exam number 11. Answer

1. 2 3 4 5 6 7 8 9 10

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C A C A C C C B A A

1. What type of rivet would you use when there is access to only one side of the work?a) Hilokb) Popc) Blind ***

2. When using a colour contrast dye penetrant kit, and a small crack is suspected in the materiala) Less developer should be used ***b) Less inhibitor should be usedc) A magnifying glass is recommended

3. How would you use a Pacific T5 tensiometer?a) Use a load meter to apply the correct loadb) Use a standard riser and use the chart to correct for different sized cablesc) Use correct chart and correct riser ***

4. Small indentations in the race of a ball bearing indicatea) Brinelling ***b) Corrosionc) Overtorqueing

5. What gauge of pin would a blue plastic insert / extract tool be used on?a) 12 - 10b) 22 - 18c) 16 - 14 ***

6. On a composite repair the vacuum should bea) Above required levelb) Below required levelc) At the required level ***

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7. The insulation resistance for wiring in undercarriage wheelwells should normally be not less thana) 10 megohmsb) 5 megohmsc) 2 megohms ***

8. How many teeth per inch are used on a hacksaw blade for cutting hard metal?a) 26b) 36 ***c) 54

9. How many strokes per minute are used on a hacksaw when cutting thick metal?a) 30 ***b) 55c) 65

10. What would you use to check the runout on a control rod?a) DTI + V blocks ***b) Micrometer + ball bearingc) 3 leg trammel + feeler gauge

This is exam number 12. Answer

1. 2 3 4 5 6 7 8 9 10B B B B C A C C B B

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1. Points forward of the datum point area) Positiveb) Negative ***c) Neutral

2. Pipe flaring is carried outa) In the annealed stateb) As supplied ***c) After normalizing

3. What is meant by empty weight?a) Basic weight minus unusable fuel plus oilb) Basic weight plus unusable fuel plus oil ***c) Basic weight only

4. When picketing a helicopter youa) Tie down one bladeb) Fit sleeves and tie off all blades ***c) Fit sleeves to the blades to protect them if they strike the ground

5. Circuit tests on aircraft should be carried out in the following ordera) Continuity, bonding, functional, insulationb) Functional, bonding, continuity, insulationc) Bonding, continuity, insulation, functional ***

6. A rivet shaver is used toa) Mill the head flush ***b) Mill the tail after settingc) Mill the tail after cutting

7. What NDT method would you use to detect delamination?a) Colour contrast dye penetrantb) Eddy currentc) Ultrasound ***

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8. Before using a dead weight tester you woulda) Calibrate the tester using a standard weightb) Replace the oilc) Pressurize the tester to the required pressure ***

9. After the normal function test of an individual circuit has been completed and the circuit switched offa) A second function test must be carried out to verify the firstb) The fuse should be removed and the circuit again switched on to check the isolation of the circuit concerned ***c) A duplicate check must be carried out in accordance with AWN 3

10. A drill and wire gauge has holes numbereda) 1 to 50b) 1 to 80 ***c) 10 to 60

This is exam number 13.

Answer

1. 2 3 4 5 6 7 8 9 10B A B A B B B B B B

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1. A 250 volt megger should not be useda) in fuel tanksb)on electronic equipmentc) on radio aerials

2. What does GA stand for on a drawing?a) General arrangementb)General assemblyc) Gradient Axis

3. What is the purpose of an aileron balance cable?a) Allows for hands off flyingb)Equalizes control cable tensionc) Relieves pilot loads

4. When dimpling sheet with a squeeze dimpling toola) adjust the jaws to accommodate different material gaugesb)the jaws are not adjustablec) use a lubricant

5. Bend radius on sheet metal isa) outside radiusb)inside radiusc) inside radius + ½ thickness

6. Why would you joggle panels?a) To make a stronger jointb)To make panels flushc) To make a tighter seal

7. Magnetic particle testing detects faultsa) longitudinally

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b)transversec) longitudinal and transverse

8. Dye penetrant in a cold climatea) is not affectedb)takes longer to work

c) works more quickly

9. If the leads of a megger are held aparta) the spring will return the needle to the zero stopb)if the handle was turned the meter would read infinityc) the spring will return the needle to infinity

10. If after spraying the developer, red blotches appear, the parta) was not cleaned properlyb)is porousc) has sub-surface defects

This is exam number 14. Answer

1. 2 3 4 5 6 7 8 9 10A B A C C C A B C C

1. When storing parts you should usea) silica gelb)monitor the temperaturec) place in a sealed container

2. How would you inspect a cable for fraying?a) Run your fingers the full length of the cableb)Run a rag the full length of the cablec) Operate the controls and feel for stiffness

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3. What causes knuckling on older type electrical cables?a) Excessive pull through forcesb)Over-temperature solderingc) Applying cable ties too tightly

4. To find a high resistance or open circuit, carry outa) a bonding checkb)a milli-volt drop testc) a continuity check

5. The maximum bonding resistance on an aircraft primary structureshould bea) 0.001 ohmsb)0.01 ohmsc) 0.05 ohms

6. One megohm is equal toa) 1,000 ohmsb)100,000 ohmsc) 1,000,000 ohms

7. Before effecting a crimp, the bare ends of a cable should bea) twisted lightly in the direction of the layb)straightened outc) tightly twisted

8. Reamers are used toa) drill accurate holesb)enlarge holes to accurate dimensionsc) to make holes oversize

9. The pitch of a hacksaw blade isa) its length

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b)the number of teeth on the bladec) the number of teeth per inch

10. The web angle of a twist drill isa) 59ob)12oc) 130o

This is exam number 15. Answer

1. 2 3 4 5 6 7 8 9 10A B B C B A C A C C

1. The leads of a bonding testera) have critical lengths and the resistance of the leads is accountedforb)are supplied in 60 foot and 6 foot lengths but can be varied due towearc) are interchangeable, one 60 foot long having two prongs and a 6foot one with a single prong

2. The number of the dots impressed on the insulation of thepre-insulated connectors during crimping indicates thata) the crimp is properly formedb)the correct tool was used to effect the connectionc) the correct connector has been used

3. The pressure of the insulation crimp jaws on the PIDG crimping toolcan be changed bya) varying the torque applied to the handlesb)changing the position of the pinsc) using different coloured crimping pliers and terminations

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4. When referring to fuses, HRC meansa) hot running capacityb)high running currentc) high rupture capacity

5. Expanding reamers are used toa) ream holes in metal that has been heatedb)ream holes of different diameters by adjusting the position of thebladesc) ream tapered holes

6. The main scale on a 24/25 vernier caliper is divided intoa) inches, tenths and fortiethsb)inches, tenths and twentiethsc) inches, tenths and thousandths

7. The vernier height gauge uses the same principle as thea) micrometerb)bevel protractorc) vernier caliper

8. Design drawings of aircraft components are produced by organizationsapproved bya) CAA in accordance with the BCARsb)British Standards Institutec) SBAC

9. This symbol found on an engineering drawing would mean

a) cylindricityb)concentricityc) angularity

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10. One revolution of the thimble of the English micrometer produces alinear movement of the spindle ofa) 0.040"b)0.001"c) 0.025"

This is exam number 16. Answer

1. 2 3 4 5 6 7 8 9 10A C C B C A C C B C

1. The pitch of a metric micrometer screw thread isa) 0.5 mmb)0.02 mmc) 1.0 mm

2. ATA specification 100 isa) the American FAA specification controlling the manufacture ofaluminium and its alloysb)the procedures which must be complied with before an aircraft can begiven a Certificate of Airworthiness in the Transport Category (Passenger)c) the International standardization of maintenance manuals,illustrated parts catalogues, overhaul and repair manuals, servicebulletins and letters

3. When wiring an electrical component to a plug, the live wire iscoloureda) green and yellowb)bluec) brown

4. When lifting a bulky component with a wire rope sling, the component

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can be protected from damage by the sling bya) using a suitably shaped slingb)using spreader bars and packingc) fabricating alternative lifting points

5. A dry powder extinguisher is coloureda) redb)greenc) blue

6. When torque loading, a wrench should be selected where the requiredvalue fallsa) at the top end of the rangeb)at the bottom end of the rangec) in the middle of the range

7. Torque loading is carried out to providea) as tight a joint as possibleb)flexibilityc) sufficient clamping without overstressing

8. High temperature solder is used where the operating temperature ishigh. It is an alloy ofa) lead / copper / antimonyb)tin / zinc / antimony / silverc) tin / lead / antimony / silver

9. A flux is used in soldering toa) etch the metal surface for more adhesionb)dissolve oxidesc) prevent solder spikes

10. Acetylene gas forms an explosive compound witha) tin and silverb)tin and copper

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c) copper and silver

This is exam number 17.

Answer

1. 2 3 4 5 6 7 8 9 10A C A B C C C B A C

1. When manufacturing aircraft control cables, the cable can be cut bya) using a chisel on a flat metal surfaceb)using a hacksaw with the cable under tensionc) using an oxy-acetylene torch

2. When fitting a ball bearing to a shaft it should be carefullypositioned usinga) a copper or aluminium tube driftb)a steel drift with light blowsc) a soft steel or brass tube drift

3. A ball or roller bearing is cleaned by soaking and rinsing ina) white spiritb)trichloroethylenec) petroleum spirit

4. To allow for shrinkage, vibration and whip all straight hoses must bea) 2% longer than the distance between the fittingsb)3% longer than the distance between the fittingsc) 5% longer than the distance between the fittings

5. Gas bottles for CO2 air and acetylene are coloureda) grey, maroon, green

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b)green, grey, maroonc) black, grey, maroon

6. Graphite prevents seizure and conducts heat. It is normally used ina) lithium based greasesb)copper based greasesc) sodium based greases

7. What is the purpose of the developer in a dye penetrant inspection?a) It is drawn to the crack by electrostatic attractionb)It seeps into the crack and makes it show upc) It acts a s a blotter to draw out the penetrant that has seepedinto the crack

8. The test equipment normally used to carry out a continuity test on anelectrical cable isa) a high tension circuit testerb)a low reading ohmmeterc) an ammeter

9. If all three prongs on a bonding tester were shorted together, themetre would reada) zerob)FSDc) off-scale high

10. An aircraft should carry at least the following number of sparefusesa) 3b)10c) 3 or 10%, whichever is greater

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This is exam number 18. Answer

1. 2 3 4 5 6 7 8 9 10C B A B A B B A B A

1. The pitch of the screw thread on an English micrometer isa) 0.050 inb)0.0001 inc) 0.025 in

2. The vernier scale on an English micrometer is divided intoa) 50 equal divisionsb)25 equal divisionsc) 40 equal divisions

3. Which pictorial projection shows one face in true elevation and lineof depth normally draw at 30o or45o to the horizontala) obliqueb)perspectivec) isometric

4. If a design amendment is made on a drawinga) the old issue number is retained, with the amendment date addedb)a new issue number and date must be allocated to the drawingc) no change in issue number or date is necessary

5. The thimble of a metric micrometer is divided intoa) 50 equal divisionsb)25 equal divisionsc) 40 equal divisions

6. The main advantage of dye penetrant inspection isa) the part to be inspected does not require cleaning

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b)the penetrant solution works on any non-porous materialc) the defect must be opened to the surface

7. The British Standard for Engineering Drawings isa) BS 307b)BS 308c) BS 306

8. What is the normal spacing between rivetsa) 4 Db)2 Dc) 3 D

9. In British rivets (solid) what is the length grading unit?a) 1/10"b)1/16"c) 1/32"

10. If the thickness of a single sheet of material, about to be joinedby riveting was 1/16" of an inch thick what would be the approximatediameter of the rivets to be useda) 3/16"b)1/16"c) 1/8"

This is exam number 19.

Answer

1. 2 3 4 5 6 7 8 9 10B A C C A B C A A A

1. To detect a minute crack using dye penetrant inspection usually

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requiresa) that the developer be applied to a flat surfaceb)a longer than normal penetrating timec) the surface to be highly polished

2. When checking an item with the magnetic particle inspection method,circular and longitudinal magnetization should be used toa) reveal all possible defectsb)evenly magnetize the entire partc) ensure uniform current flow

3. P.C.D. is an abbreviation fora) Pitch Cord Diameterb)Precision Circle Dimensionc) Pitch Circle Diameter

4. Maintenance Schedules are issueda) with an approval certificate by the CAAb)in a folder with the operators name on the coverc) by the operator with CAA approval

5. This represents

a) squared shaftb)bearing on shaftc) relief valve

6. After a mandatory inspection has been carried out by a LicensedEngineer, what is issueda) a Flight Release Certificateb)Certificate of Release to Servicec) a Certificate of Maintenance Review

7. A hard time engine inspection involvesa) removal of an engine component, its inspection and refitting

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b)an in-situ function testc) replacement with a new or overhauled component

8. This represents

a) internal threadb)external threadc) counterbored hole

9. Drawing numbers area) unique to each drawingb)changed after each drawing amended after May 28, 1999c) the same as serial numbers

10. Hatching lines are usually drawn at:a) 45ob)30oc) 60o

This is exam number 20.

Answer

1. 2 3 4 5 6 7 8 9 10A A C A B B B A A

1. Which type crack can be detected by magnetic particle inspectionusing either circular or longitudinal magnetisationa) 45ob)longitudinalc) transverse

2. Who approves Maintenance Manualsa) The CAAb)The Board of Trade

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c) The Department of Trade and Industry

3. Surface cracks in aluminium castings and forgings may usually bedetected bya) the use of dye penetrants and suitable developersb)gamma ray inspectionc) submerging the part in a solution of hydrochloric acid and rinsingwith clear water

4. Regarding riveting, which of the following is correct?a) the length of a round head or flat head is measured from the end ofthe rivet to underside of rivet headb)the length of a countersunk rivet (flush head) is measured from the endof the rivet to the top of the countersunk headc) both of the above are correct

5. When riveting, a certain clearance must exist between the rivet andthe hole in which it is fitted, to allow for shank expansion. If theclearance is too large, what could be the result?a) Separation of the sheets may occurb)Sheet may tend to bucklec) Indentations by rivet head on the material

6. To replace one 1/8 inch riveta) two 1/16 inch rivets would be requiredb)four 1/16 inch rivets would be requiredc) three 1/16 inch rivets would be required

7. The scale of an engineering drawing is shown as 1:4. This indicatesit isa) drawn to scaleb)drawn to a quarterc) drawn four times larger

8. A Certificate of Release to Service must be issued after

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a) a Re-fuel has been doneb)a repair has been carried out in accordance with an approved repairschemec) engine runs

9. An orthographic projection usually showsa) three, two-dimensional views of an objectb)one, three-dimensional view of an objectc) a pictorial view of the object

10. When dimensioning a drawing, the dimension lines should bea) the minimum number of dimensions necessary to enable the component tobe manufacturedb)as many dimensions as possiblec) only size dimensions

This is exam number 21.

Answer

1. 2 3 4 5 6 7 8 9 10C C A B C B A B B B

1. If the operator varies the content of the maintenance schedule, whataction must be taken?a) Amend the Maintenance Scheduleb)Amend the Maintenance Schedule and seek the CAA approvalc) Await CAA approval before amending the Maintenance Schedule

2. When is a Certificate of Fitness for Flight under 'A' conditionsrequired?a) to allow an unregistered aircraft to fly for air testb)after a Certificate of Maintenance Review has been signedc) to allow an aircraft to fly on air test to check out a

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modification

3. When there is an overlap of responsibility, how is the CRS signed?

a) Appropriate Type Rated Licensed Aircraft Engineers must each certifythe parts appropriate to their license coverageb)Only one appropriate Type Rated Licensed Aircraft Engineer may signthe CRS as he assumes responsibility for the operation, the otherengineers must sign the paperworkc) An appropriate Type Rated Licensed Aircraft Engineer and an ATPLholder sign the CRS when the aircraft is away from base

4. Information contained in the ANO isa) of a mandatory nature where safety is concernedb)of a legal nature in all sections and is therefore mandatoryc) written in compliance of the Civil Aviation Act of 1943 ratifyingthe ICAO Convention

5. Which of these metals is inspected using the magnetic particleinspection methoda) magnesium alloysb)aluminium alloysc) iron alloys

6. One way a part may be demagnetized after magnetic particle inspectionis bya) subjecting the part to high voltage, low amperage a.cb)slowly moving the part out of an ac magnetic field of sufficientstrengthc) slowly moving the part into an ac magnetic field of sufficientstrength

7. What is generally the best procedure to use when removing a solidshank rivet?a) Drill through the manufactured head and shank with a shank sizedrill and remove the rivet with a punch.

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b)Drill to the base of the manufactured rivet head with a drill one sizesmaller than the rivet shank and remove the rivet with a punchc) Drill through the manufactured head and shank with a drill onesize smaller than the rivet and remove the rivet with a punch

8. Aircraft skin is joggled toa) Conform with the “Area Rule“b)Provide smooth airflow at faying surfacesc) Make a frame lighter but stronger

9. If treated rivets have not been used within the prescribed time theycan be re-treated. What is the maximum number of times that they can beheat-treated?a) Twice onlyb)Three timesc) If no more in Stores, as many times as required

10. Rivets kept at a temperature of between –15oC and –20oC are usablefora) 150 minutesb)150 hoursc) 150 days

This is exam number 22. Answer

1. 2 3 4 5 6 7 8 9 10B B C B C B C A A A

1. A hole is placed in the lowest point of electrical cable conduita) to allow for pull-through of the cablesb)to allow for drainage of moisturec) to secure the conduit to a piece of aircraft structure

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2. Taper pins are used in which of the following applications?a) To take compression loadsb)To take shear loadsc) To take compression and shear loads

3. What action is taken with a common circlip removed from a component?a) It is replaced with a new item on assemblyb)It is examined for distortionc) It is checked for springiness

4. The maximum bolt diameter for which a 1/16 split pin may be used isa) 1/4" or 2BAb)3/8"c) 7/16"

5. The check for a cable pulling out of a swaged fitting is bya) seeing that the cable is still past the safety holes in the swageb)seeing that there are no broken wires near the fittingc) looking for a shiny surface on the cable near the fitting

6. A 'Reel' used to hold an aircraft cable in storage should have aminimum diameter ofa) at least 25 times that of the cable diameterb)at least 40 times that of the cable diameterc) at least 50 times that of the cable diameter

7. How do you remove a tight link from a chain which is to be used on anaircraft control system?a) Dismantle, inspect, rectify and re-assemble the chainb)If the chain has a tight link, the chain has to be removed from servicec) You may be able to remove the tight link by applying a light tapwith a hammer

8. Why is a shouldered stud used

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a) to provide a rigid assemblyb)as a replacement for a damaged studc) to decrease weight without loss of strength

9. Large control cables (45 to 120 cwt) may have tension loads that canbreak the locking wire or lease lock nuts. How is this overcome?a) A tube is fitted over the turnbuckle assembly and drilled to take upto 3 bolts, to prevent independent rotation of any partb)The cable is kept slightly slackc) Duplicating the number of cables to cut down on individual tensileloads

10. The initial lubricant on a new chaina) should not be removedb)should be removed and replaced with the approved oilc) must be replaced with grade altitude grease

This is exam number 23.

Answer

1. 2 3 4 5 6 7 8 9 10C B B B B A B B C A

1. False Brinelling of a bearing isa) movement of the outer ring relative to its housingb)a scoring of the race-way surfaces due to ball or roller skiddingc) indentations on the race-way due to load transferred through thebearing when static

2. Avdel rivets are closed bya) a squeezing processb)a broaching processc) a tapered mandrel

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3. What is the purpose of the Avdel pin tester?a) To test the shear strength of the pinb)To test the tightness of the pin in the rivetc) To test the tightness of the rivet in the hole

4. On completion of assembly the bearing housinga) should be examined for end floatb)lightly packed with greasec) packed fully with grease

5. What purpose does flux serve in welding aluminium?a) Removes dirt, grease, and oilb)Minimises or prevents oxidationc) Ensures proper distribution of the filler rod

6. The testing medium that is generally used in magnetic particleinspection utilises a ferromagnetic material that hasa) high permeability and low retentivityb)low permeability and high retentivityc) high permeability and high retentivity

7. When inspecting a butt-welded joint by visual meansa) the penetration should be 25 to 50 percent of the thickness of thebase metalb)the penetration should be 100 percent of the thickness of the basemetalc) look for evidence of excessive heat in the form of a very highbead

8. A mechanic has completed a bonded honeycomb repair using the pottedcompound repair technique. What non-destructive testing method is used todetermine the soundness of the repair after the repair has cureda) eddy current testb)metallic ring test

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c) ultrasonic test

9. The shielding gases generally used in the Tungsten Inert Gas (TIG)welding of aluminium consist ofa) a mixture of nitrogen and carbon dioxideb)nitrogen or hydrogen, or a mixture of nitrogen and hydrogenc) helium or argon, or a mixture of helium and argon

10. An “On Condition” Inspection involvesa) an inspection of a component with a view to continued operation ifits condition warrants such actionb)replacement of life expired components for new onesc) a program of inspections used to increase the life of lifedcomponents

This is exam number 24. Answer

1. 2 3 4 5 6 7 8 9 10C B C A B C A C B A

1. Air Navigation General Regulations are to be found ina) Airworthiness Requirements CAP 455b)British Civil Airworthiness Requirements Section Ac) CAA Printed Manual CAP 393

2. The information in the ANO is given in the form ofa) Chapters, each one dealing with a different aspect of Civil Aviation,these chapters being backed up by the schedulesb)Articles of Law, some of which are further clarified by Schedulesc) Regulations, each one covering a different aspect of Civil Aviationand as such is mandatory

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3. British Civil Airworthiness Requirementsa) are printed by the CAA and are of an advisory natureb)form the Technical requirements for the design and operation ofaircraft and their equipmentc) interpret the ANO and form the Technical requirements for thedesign

4. Which statement concerning a welding process is true?a) The inert-arc welding process uses an inert gas to protect the weldzone from the atmosphereb)In the metallic-arc welding process, filler material, if needed, isprovided by a separate metal rod of the proper material held in the arcc) In the oxyacetylene welding process, the filler rod used for steelis covered with a thin coating of flux

5. The "Dwell Time" of a dye-penetrant NDT inspection is thea) amount of time the developer is allowed to actb)time the penetrant is allowed to standc) time it takes for a defect to develop

6. The stems of an Avdel rivet area) removed with the riveting toolb)removed with a taper punchc) nipped off and milled flush with the head

7. When checking a ball bearing for corrosion and foreign mattera) oscillate and rotate slowly to listen for roughnessb)rotate at operational speed and check for roughnessc) make a strip down inspection

8. A thread insert is made froma) white metalb)aluminium alloyc) stainless steel

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9. Filing or grinding a weld beada) may be performed to achieve a smoother surfaceb)reduces the strength of the jointc) may be necessary to avoid adding excess weight or to achieveuniform material thickness

10. What non-destructive testing method requires little or no partpreparation, is used to detect surface or near-surface defects in mostmetals, and may also be used to separate metals or alloys and theirheat-treat conditionsa) eddy current inspectionb)ultrasonic inspectionc) magnetic particle inspection

This is exam number 25.

Answer

1. 2 3 4 5 6 7 8 9 10B A A B A A C B B A

1. A thread insert is removed bya) using a drill the major diameter of the thread insertb)a special drill provided by the thread insert manufacturerc) once fitted, a thread insert must not be removed

2. To correctly tension cables it can helpa) to have control surface locks in to support weight and adjustturnbuckles equallyb)to take up initial slack by additional pulleysc) to use a cable with turnbuckles at least every eight feet

3. What type of load is a journal load?

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a) Radialb)Axialc) Centrifugal

4. What is the pressure range for the Avdel Riveter Type Fa) 20 to 60 lbs per sq. inb)60 to 80 lbs per sq. inc) 40 to 60 lbs per sq. in

5. Gamma Ray Testing of combustion chambers will show upa) light grey on black backgroundb)black on lighter backgroundc) grey on white background

6. In selecting a torch tip size to use in welding, the size of the tipopening determines thea) amount of heat applied to the workb)temperature of the flamec) melting point of the filler metal

7. Which of these non-destructive testing methods is suitable for theinspection of most metals, plastics and ceramics for surface andsubsurface defects:a) magnetic particle inspectionb)eddy current inspectionc) ultrasonic inspection

8. The most important consideration(s) when selecting welding rod is/area) current setting or flame temperatureb)material compatibilityc) ambient conditions

9. A CMR is raised aftera) defect rectification

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b)scheduled servicing at specified intervalsc) major overhaul

10. Compliance with the ANO is restricted toa) aircraft and their equipment which are on the UK Civil Register onlyb)aircraft and their equipment which are on the UK & Commonwealth CivilRegistersc) All civil aircraft and their equipment on the international CivilRegister

This is exam number 26. Answer

1. 2 3 4 5 6 7 8 9 10C C C B B C B A B A

1. The measuring capacity of a Vernier Caliper isa) the length of the graduated scaleb)the length of the graduated scale plus the width of the nibsc) the length of the graduated scale less the length of the vernierscale

2. To drill a 1/4 inch hole in titanium, the correct starting procedurewould bea) to drill 1/4 inch hole directb)to centre punchc) to centre drill

3. When using a D.T.I. to check the run-out of a shaft, readings of -15to +25 would indicate a run-out ofa) 0.025 inchesb)0.040 inches

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c) 0.020 inches

4. Vee-blocks are manufactureda) as single items and may be paired with any other vee-blockb)in sets of two and identified for use as a setc) in sets of three and identified for use as a set

5. The metric micrometer reading shown is

a) 13.87 mmb)13.37 mmc) 10.337 mm

6. When fitting Rivnuts into position how are they secured and preventedfrom rotating?a) Peenedb)Locknut at the rearc) A locating key

7. The oxyacetylene flame for silver soldering should bea) oxidizingb)neutralc) carbonizing

8. A flexible hose that cannot be internally inspected by eye orintrascope can be ball tested by suspending from one end at a time tochecka) ball of 90% of bore of end fittings passes freely under own weightb)a ball of 98% of bore of end fittings passes freely under own weightc) a ball of 95% of bore of hose can be pushed through with a metalrod

9. Bearings to be cleaned for further examination should be wiped freeof all grease on outer surfaces with the aid of dry compressed air forcages and rolling parts. The bearings should then be soaked in

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a) lead free gasolineb)white spiritc) M.E.K.

10. Ultra sonic flaw detectors usea) high frequency sound wavesb)x-raysc) a magnetic field

This is exam number 27. Answer

1. 2 3 4 5 6 7 8 9 10C A C A B C C B B C

1. on an engineering drawing would indicatea) repair and reconditionb)ultra-sonic testc) dye penetrant check

2. S.W.G. is an abbreviation fora) Standard Wire Gaugeb)Screw Width Gaugec) Standard Water Gauge

3. A Certificate of Release to service states thata) the aircraft has been maintained to an approved scheduleb)an operator has satisfied the CAA of his competencec) a task has been carried out in accordance with the ANO

4. When can a CMR be reneweda) neverb)1 year

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c) 2 years

5. If the edge of aluminium is treated with caustic soda, the metalturnsa) blackb)whitec) black / white / black

6. Technical and Administrative information is officially circulated toL.A.M.E.S. ina) C.A.I.P.sb)B.C.A.R.sc) A.W.N.s

7. After cleaning a bearing should be dried witha) lint free ragsb)left in free air to dry naturallyc) clean, warm, dry compressed air

8. Hoses are normally pressure tested toa) 2 times maximum working pressureb)1½ times maximum working pressurec) maximum working pressure

9. Defects are indicated in the dye penetrant crack detection test bya) green lines and dotsb)red lines on a white backgroundc) yellowish green marks

10. A dent is measured in a tubular push-pull rod bya) passing a ball down its boreb)callipers and feeler gaugesc) a steel ball and micrometer

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This is exam number 28. Answer

1. 2 3 4 5 6 7 8 9 10A C C B A C C A C A

1. A fluid line marker with a skull & crossbones isa) warning symbolb)radioactive symbolc) fluid line carries toilet waste

2. NDT using colour dye process at temperatures below 15°C willa) mean choosing alternative NDT methodb)not be affected by the temperaturec) retard the penetrant action of the dye and penetration time isextended

3. The international marking for a water injection pipeline is a seriesofa) dotsb)squaresc) chevrons

4. What solder should be used to solder aluminium?a) 90% tin and 10% zincb)wire flux cored solderc) D.T.D. 685 lead-silver-tin solder

5. The soldering method where molten solder is pumped from the bottom ofa bath through a slot so that a stationary wave of solder appears on thesurface is known as thea) standing wave bath methodb)stationary wave methodc) rotary bath method

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6. A ketts saw is used becausea) its low torque allows single handed useb)it is available both pneumatic and electricc) it can cut thicker metal than is required by most repair schemes

7. An aircraft should be cleared of snowa) using hot fluidb)using cold fluidc) using air blast

8. The gears used in a pistol windy area) spur gearsb)gears in a gearboxc) gerotor type gears

9. When countersinking rivet holes in a materiala) a plain countersinking bit should be usedb)the rivet head should stand 1/32" proud of the surfacec) a special countersinking bit with a pad to prevent drilling toodeep should be used

10. When using dye penetrant NDT on a tank, the dye penetrant should beapplieda) on the inside, with developer on the outsideb)on the outside with developer on the outsidec) on the inside with the developer on the inside

This is exam number 29. Answer

1. 2 3 4 5 6 7 8 9 10A C C A C C A C A A

1. The international marking for a fire protection pipe line is a series

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ofa) diamondsb)circlesc) squares

2. Hi-loks are installed with thea) shank lubricated when fittingb)thread lubricated when fittingc) thread and shank not lubricated

3. The minimum distance between electrical cable splices isa) 12 inchesb)3 feetc) 500 mm

4. A fire resistant cable is proof tested by exposure to a standard firefora) 5 minutesb)15 minutesc) 30 minutes

5. Zinc Chromate applied between faying surfaces willa) improve bonding between themb)improve adhesion thus relieving the amount of riveting necessaryc) inhibit dissimilar metal (electrolytic) corrosion

6. In order for dye penetrant inspection to be effective, the materialbeing checked musta) be magneticb)be non-magneticc) have surface cracks

7. Which of the following metals can be inspected using the magneticparticle inspection method?a) Iron alloys

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b)Aluminium alloysc) Magnesium alloys

8. Which of the following shafts would you use to obtain a clearance fitin a bush 0.750 inch diameter?a) 750 inchb)0.752 inchc) 0.748 inch

9. To prevent corrosion where aluminium alloy pipelines are supported byrubber cleats, the pipe should be treated over the area of contact witha) varnishb)petroleum jellyc) french chalk

10. Which of the following is checked when using a 'GO / NO -GO' gauge?a) Toleranceb)Clearancec) Allowance

This is exam number 30. Answer

1. 2 3 4 5 6 7 8 9 10A B A C C A C B A C

1. The international marking for an instrument air pipe line is aa) zig zag lineb)wavy bandc) series of dots

2. The maximum distance between end fittings to which a straight hoseassembly is to be connected is 50 inches. The minimum hose length shouldbea) 51 inchesb)51½ inches

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c) 3 inches

3. The length of a hose assembly with elbowed end fittings is taken froma) the centre of the bore at the nipple extremityb)the extreme overall lengthc) the maximum length of the straight portion of hose

4. The international marking for a breathing oxygen pipe line is aseries ofa) diamondsb)dotsc) rectangles

5. If a non-ferrous metal being examined by chemical test turns blackwhen caustic soda is applied to the surface, the metal isa) aluminiumb)alcladc) duralumin

6. Which of the following is a 'Bilateral Tolerance?a) 2 inches ± 0.002b)2 inches - 0.002c) 2 inches + 0.002

7. The term "dry joint'” is usually applied toa) a water tight jointb)a metal being lightly heatedc) a defect associated with a soldered joint

8. A tolerance isa) a required difference in dimension between mating parts to obtain acertain class of fitb)a permitted variation on a dimension to allow for inaccuracy ofequipmentc) a permitted difference between new and worn dimensions

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9. When an aircraft is pulled out of soft ground, the equipment shouldbe attached toa) the main gearb)the nose gearc) the tail cone

10. A transition fit is one in which the shaft isa) larger than the holeb)smaller than the holec) the same size as the hole

This is exam number 31. Answer

1. 2 3 4 5 6 7 8 9 10A C C C B B C B A B

1. Cross cut filesa) cut on the forward stroke onlyb)cut on the backward stroke onlyc) cut in both directions

2. When making a small soldered electrical connection, using flux-coredsoldera) the soldering iron should be loaded with solder and then applied tothe connectionb)the connection should be heated first and then solder appliedc) the soldering iron and solder should be applied simultaneously tothe connection

3. In a torque wrench of handle length, L = 12 in. and an extension E =3 in, the desired torque value is 300 lbs.in. the dial should reada) 280 lb.ins.b)375 lb.ins.c) 240 lb.ins.

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4. The correct size spanner for use on a unified 5/16 in. threadedhexagon headed bolt isa) 5/16 in A/Fb)1/4 in A/Fc) 1/2 in A/F

5. When a torque loading is specified for a castellated or slotted nuton an undrilled new bolta) the bolt should be pre-drilled and the torque increased ifnecessaryto allow the split pin to be fittedb)the torque should be applied and the bolt suitably drilled for thesplitpinc) the bolt should be pre-drilled, the torque applied and the nuteased back, if necessary, to allow the split pin to be fitted

6. The length of the Vernier Scale in a 24/25 Vernier Caliper isa) 1.2 inb)0.6 inc) 2.45 in

7. After completion of electro-magnetic crack detection, the test piecemust bea) allowed to cool to room temperature as slowly as possibleb)allowed to lose any residual magnetism over as long a period possiblec) de-magnetised before returning to service

8. Which of the following N.D.T. techniques cannot be used on acomponent manufactured from austenitic stainless steela) penetrant dyeb)magnetic - particlec) hot oil and chalk

9. A reamer with spiral flutes is removeda) clockwiseb)anticlockwise

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c) straight

10. To aid marking out on Fe metals usea) graphite greaseb)copper sulphate solutionc) engineer's blue

This is exam number 32. Answer

1. 2 3 4 5 6 7 8 9 10C C A B A C B B A C

1. What is used on Magnesium to reprotect it?a) Selenious Acidb)Deoxidinec) Chromic Acid

2. The sight line on a sheet metal flat layout to be bent in a corniceor box brake is measured and markeda) one-half radius from either bend tangent lineb)one radius from either bend tangent linec) one radius from the bend tangent line that is placed under thebrake

3. Fluorescent penetrant processes for the detection of cracks ormaterial defects are used witha) an ultra-violet radiation sourceb)a tungsten light sourcec) an infra-red light source

4. A jury strut is one givinga) additional support to a stressed areab)a temporary supportc) a part of the structure that takes only tensile loads

5. What is an isotope the power source of?

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a) Gamma Raysb)Ultra Violet Raysc) X-Rays

6. The fluid used in the 'Oil and Chalk' method of non-destructivetesting is a mixture ofa) lubricating oil and petrolb)lubricating oil and lard oilc) lubricating oil and paraffin

7. A non-destructive testing technique which is suitable for inspectingfor delamination in Redux bonded structure of light aluminium alloys isa) magnetic flowb)ultrasonicc) eddycurrent

8. Vital point inspections are carried outa) on an "A" Checkb)after an area is disturbedc) on a "C" check

9. The difference between high and low limits of a size for a dimensionis known as thea) toleranceb)deviationc) fit

10. Rubber components should be storeda) in warm and humid conditionsb)in a well lit roomc) in a cool dark area

This is exam number 33. Answer

1. 2 3 4 5 6 7 8 9 10

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B C B C A C A C A A

1. If you are unable to identify a structure 'classification' as eitherprimary or secondary, what action should you adopt?a) Grade it as 'secondary'b)Upgrade it to ‘primary’c) Paint it red and stamp it as 'tertiary'

2. Under magnetic particle inspection, a part will be identified ashaving a fatigue crack under which condition?a) The discontinuity pattern is straightb)The discontinuity is found in a non-stressed area of the partc) The discontinuity is found in a highly stressed area of the part

3. When inspecting a component which is being subjected to the hot fluidchalk process, the examination for defects should be carried outa) immediately on removal of the item from the chalk cabinetb)when the item is quite coolc) whilst the item is still quite hot

4. Circular magnetization of a part can be used to detect which defectsa) defects parallel to the long axis of the partb)defects perpendicular to the long axis of the partc) defects perpendicular to the concentric circles of magnetisation

5. In the procedure to be followed after spillage of battery acid,neutralizing is carried outa) with a dilute solution of sodium bicarbonateb)by washing with distilled waterc) by applying a coating of Vaseline

6. Which type of repair has to be used where the damage is large andlost strength of the area has to be restored?a) Filling plate and patchb)Insert and butt strap

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c) Patch repair to the punctured skin

7. An indication of porosity when using a penetrant dye crack detectionmethod isa) an area of scattered dots of dyeb)closely spaced dots of dye formed in a linec) areas where dye is not showing

8. In a test for adequate demagnetization of a component after amagnetic particle test, the test compass should not deflecta) more than 1o when standing due south of the componentb)more than 1o when standing north-east of the componentc) more than 1o when standing due east of the component

9. If copper sulphate is used on magnesium alloy it willa) effervesce to a black colourb)effervesce to a copper colourc) have no effect

10. If on application of developer it all turns to a pinkish hue, whathas happened?a) Incorrect cleaningb)The hue has pinkedc) Thin porosity

This is exam number 34. Answer

1. 2 3 4 5 6 7 8 9 10C B C C A B C B C B

1. If dye penetrant inspection indications are not sharp and clear, themost probable cause is that the parta) was not correctly degaussed before the developer was appliedb)is not damaged

c) was not thoroughly cleaned before developer was applied

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2. When comparing the machining techniques for stainless steel sheetmaterial to those for aluminium alloy sheet, it is normally consideredgood practice to drill the stainless steel at aa) higher speed with less pressure applied to the drillb)lower speed with more pressure applied to the drillc) lower speed with less pressure applied to the drill

3. If it is necessary to compute a bend allowance problem and bendallowance tables are not available, the neutral axis of the bend can bea) represented by the actual length of the required material for thebendb)found by subtracting the stock thickness from the bend radiusc) found by adding approximately one-half of the stock thickness tothe bend radius

4. When drilling stainless steel, the drill used should have an includedangle ofa) 90 degrees and turn at a low speedb)118 degrees and turn at a high speedc) 140 degrees and turn at a low speed

5. The pattern for an inclusion is a magnetic particle build-up forminga) a fernlike patternb)a single linec) parallel lines

6. Aluminium clad alloy sheet should not be polished with mechanicalbuffing wheels as thisa) will cause large static charges to build upb)may remove the aluminium coatingc) may remove the alloy coating

7. When carrying out a penetrant dye crack test, before the dye isapplied the surface being tested should bea) etch primed

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b)painted with developer fluidc) thoroughly degreased

8. What colour is used to indicate a tertiary structure on a diagram ordrawing?a) Yellowb)Greenc) Red

9. When stop drilling a crack, what is the typical drill size used?

a) 0.250"b)0.025"c) 0.125"

10. Which parts of the aircraft are classified secondary structures?a) Lightly stressed parts such as fairings, wheel shields and minorcomponent brackets etcb)Highly stressed parts but if damaged will not cause failure of theaircraftc) Highly stressed parts and if damaged may cause failure of theaircraft and loss of life

This is exam number 35. Answer

1. 2 3 4 5 6 7 8 9 10B B A B C C B A B B

1. When degreasing aluminium alloys, and no trichloroethylene isavailable, a suitable alternative isa) M.E.K.b)white spirit and naphthac) dilute sulphuric acid

2. When mixing acid and watera) the water should always be added to the acidb)the acid should always be added to the water

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c) it does not matter which way the two are mixed

3. What is used to measure the depth of a blend after a corrosionrepair?a) Dial Test Indicatorb)Straight edge and slip gaugesc) Vernier caliper

4. Vacu-blast beads re-used on a steel component, after being used on analuminium component willa) be ineffective in abrasionb)cause corrosion to the steel componentc) cause clogging of the vacu-blast machine

5. What colour is used to identify a 'primary structure' when using theaircraft Maintenance Manual?a) Yellowb)Greenc) Red

6. A grinding wheel is normally refaced bya) holding a hard wood scraper against the rotating wheelb)grinding through using another grinding wheelc) dressing with a special tool

7. The main scale on a 49/50 Vernier caliper is divided intoa) inches, tenths and fortiethsb)inches, tenths and twentiethsc) inches, tenths and thousandths

8. Centre punches are made ofa) high carbon steel hardened and temperedb)case hardened mild steelc) high carbon steel with the tip hardened and tempered

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9. When checking a torque wrench 15 inches long, the load required togive torque of 120 lbs.in. isa) 6 lbsb)8 lbsc) 10 lbs

10. The formula for setback for a 90o bend isa) (R + ½T)b)(R + T)c) (½R + T)This is exam number 36. Answer

1. 2 3 4 5 6 7 8 9 10C B C A B B B B A B

1. What type of flutes should be used in a reamer for cutting titanium?a) Straight flutesb)Tapered flutesc) Spiral flutes

2. The depth micrometer reading shown is

a) 0.336 ins.b)0.261 ins.c) 0.361 ins.

3. You are involved with a fire caused by titanium swarf. What type ofextinguishant should you use to deal with the fire?a) CO2b)Chemical foamc) Dry asbestos wool and chalk powder

4. When carrying out a dye penetrant inspection, what time should elapseafter applying the developer before inspecting the component?a) Initial inspection after 30 seconds followed by a 2nd inspection

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after 10 minutesb)After 10 minutesc) After 15 minutes

5. Caustic soda placed on the edge of alclad will turna) black – white – blackb)white – black – whitec) all white

6. The length of a blended repair of corrosion should be no less thana) 10 times its depthb)20 times its depthc) 5 times its depth

7. What should be the included angle of a twist drill for soft metals?a) 118 degreesb)90 degreesc) 65 degrees

8. A cable is replaceda) when each strand is worn to limitsb)if a chemical spillage is suspectedc) when a shiny portion is found

9. If there is a positive allowance between the smallest possible holeand the largest possible shaft, the fit is known asa) a clearance fitb)an interference fitc) a transition fit

10. An aircraft should not be refueled whena) the APU is runningb)within 10 metres (30 feet) of radar operatingc) navigation and landing light in operation

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This is exam number 37

Answer

1. 2 3 4 5 6 7 8 9 10C A B C A B A C A

1. Which of the following NDT methods can be carried out and certifiedby a mechanic not approved specifically for NDT inspectionsa) Ultrasonicb)Magnetic Particlec) Neither of the above

2. When should the developer be applied to the componenta) after excess penetrant has been removed and the area completelydriedb)before the penetrant driesc) before applying penetrant

3. Why is an extra layer of fibre glass added to a composite repair?a) To increase the strength of the repairb)For sacrificial sandingc) To provide additional flexibility

4. Plumbers solder is gradea) Bb)Cc) D

5. The basic weight of an aircraft isa) the aircraft, minimum equipment, unusable fuel and oilb)the passengers, baggage and fuelc) the pilot, flight crew and their luggage

6. To check the structure of a wing

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a) low voltage X-rays are usedb)high voltage X-rays are usedc) ultrasound NDT is used

7. How would you check the setting of an adjustable reamer?a) Ring gaugeb)Dial test indicator and ‘V’' blocksc) External calipers

8. What is the specified lubricant for drilling brass?a) Paraffinb)Lard oilc) None

9. What should the point angle of a drill be if it is to be used fordrilling titanium (drill size below 1.4 inch)?a) 105 to 120°b)90°c) 90° to 105°

10. In the Limit System, the term 'allowance' is thea) shaft diameter variationb)hole diameter variationc) difference between shaft and hole diameters

This is exam number 38. Answer

1. 2 3 4 5 6 7 8 9 10C C C B B B B B B

1. Which of the following NDT methods requires that the orientation (ordirection) of the defect be known before the test can commence?

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a) X-Ray and Magnetic Particleb)Ultrasonic and Dye Penetrantc) Magnetic Particle and Ultrasonic

2. Before soldering stainless steel it must bea) cleaned with emery clothb)sand paperedc) pickled

3. Silver solder melts within the rangea) 200° C - 400° Cb)400° C - 550° Cc) 600° C - 850° C

4. How are pin punches classified?a) By overall length and typeb)By length and diameter of the small endc) By type and diameter of the small end

5. How are spring dividers classified?a) The diameter of the largest circle that can be scribedb)The diameter of a circle scribed with the legs at 600c) The length of the legs

6. Which is correct concerning the use of a file?a) Apply pressure on the forward stroke, only, except when filing verysoft metals such as lead or aluminiumb)A smoother finish can be obtained by using a double-cut file than byusing a single-cut filec) The terms `double-cut` and `second-cut` have the same meaning inreference to files

7. Which procedure is correct when using a reamer to finish a drilledhole to the correct size?a) Turn the reamer in the cutting direction when enlarging the hole and

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in the opposite direction to remove from the holeb)Turn the reamer only in the cutting directionc) Apply considerable pressure on the reamer when starting the cutand reduce the pressure when finishing the cut

8. Of what tolerance is the following an example?

1 in.+ 0.002- 0.001

a) Unilateralb)Bilateralc) Multilateral

9. When fitting a thread inserta) a thread the next size up from the original should be tappedb)the hole should be expanded using a tap supplied by the insertmanufacturerc) the insert should be tapped in using a hammer

10. B.C.A.R’sa) are issued by Ministry of Trade and Industryb)contain minimum requirements to be metc) detail mandatory requirements for aircraft design and construction

This is exam number 39. Answer

1. 2 3 4 5 6 7 8 9 10B B C C B C C C C C

1. Which of the following defects could not be detected by Eddy CurrentNDT inspection?

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a) A crack in a magnesium alloy wheel castingb)A crack in a glass fibre reinforced plastic cowlc) Heat damage of a Haynes Alloy turbine blade

2. Which of the following methods could be used to detect the presenceof tiny drops of Mercury in a large area of aircraft hull structure afteran accident with a mercury thermometer?a) Ultrasonicb)X-Rayc) Magnetic Particle

3. On completion of soldering a non-activated fluxa) must be cleaned off with a selected solventb)must be cleaned off with an acid solutionc) need not be cleaned off

4. The purpose of a taper tap is toa) form a tapered threadb)produce a fine threadc) start a thread

5. Why is the Vee cut in the base of a scribing block?a) to reduce the contact area with the marking off table and reducefrictionb)to trap any dirt that may be adhering to the surface of the marking offtablec) to allow the scribing block to be used on the edge of the markingoff table

6. How should a scraper be finally sharpened?a) By draw filingb)On a grindstonec) On an oilstone

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7. How is a D.T.I. initially set up?a) The gauge plunger should be fully extended and the needle zeroedb)The needle zeroed, then the plunger fully extendedc) The gauge plunger should be partly depressed and the needle zeroed

8. A lightning strike on an aircraft would showa) the entry point onlyb)the exit point onlyc) the entry and exit point

9. When drilling a 3/8" hole in titaniuma) the hole should be drilled straight through with the 3/8" drillb)the hole should be centre punched, pilot drilled and then drilled

c) a centre drill should be used

10. How should a dead weight tester be used?a) The pressure increasing handle should be screwed in before theaddition of fluid and screwed out when fluid is addedb)The platform should be removed and fluid poured into the holec) The outlet should not be connected to the instrument until therequired weights are raised by the platform

This is exam number 40. Answer

1. 2 3 4 5 6 7 8 9 10A B C C C B C A B C

1. Which of the following NDT methods requires that the surface of thetest piece is cleaned down to bare metal?a) Dye-penetrantb)Eddy Currentc) Magnetic Particle

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2. An inside micrometers normal measurement range isa) ½.in. to 10inb)2in. to 10inc) 2in. to 12in

3. What is the purpose of Target Points on a Vernier caliper?a) To zero the caliperb)For scribing lines inside tubesc) To enable spring dividers to be accurately set

4. General purpose solders are graded bya) a colour codingb)a letter codingc) a numerical coding

5. What action is taken when soldering flux residue may have lodged indeep crevices of an assemblya) it must be thoroughly rinsed with a weak solution of sulphuric acid

and washed in cold waterb)it must be immersed in a weak solution of phosphoric acid and rinsed inwaterc) it must be immersed in a weak solution of hydrochloric acid andrinsed thoroughly in running water

6. Die Nuts are used toa) form external threadsb)clean up damaged threadsc) form internal threads

7. In marking a light alloya) the scriber must be held at an angle to give a smooth line where

bending is required

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b)caustic soda is usedc) a pencil is used to mark the material and all marks removed afterbending

8. When assembling metals of different potential, corrosion may beinhibited by application ofa) zinc or barium chromate & assemble while wetb)zinc or chromic acid & assemble while wetc) nothing - assemble bare

9. When using the colour contrast NDTa) the surface should be lightly scuffedb)the surface paint should be removedc) the surface should be bead blasted

10. When using dye penetrant field kit, removal of excess penetrant isdone by applying the solvent bya) spraying twice direct on the partb)spraying once direct on the partc) using a lint free cloth

This is exam number 41. Answer

1. 2 3 4 5 6 7 8 9 10 C C B C A C A C C C

1. A Dial Test Indicator may be used fora) checking dimensions to within 0.125''b)checking any known depthc) checking a round bar for bow

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2. Which cut of a file should be used on mild steel?a) Single cutb)Second cutc) Double cut

3. Nickel alloy chisels should be sharpeneda) on a grindstoneb)on a oilstonec) by filing

4. Which of the following statements is correct?a) To cut an aluminium block use a fine hacksaw bladeb)To cut thin mild steel plate use a coarse bladec) To cut thin sheet metal use a fine blade

5. A power meter indicates that a circuit has a power of 16 kW.Separate readings of the voltage and current are 400 V and 20 Arespectively. The Power factor isa) 2b)½c) 20

6. What is a key-seat rule used for?a) Providing a positive driving forceb)Marking lines which are parallel to a true edgec) Marking lines parallel to an axis of a round bar

7. When measuring current in a circuit, the ammeter is placeda) in series with the circuitb)in parallel with the circuitc) in series with the shunt

8. A 3 ½ bit multimeter will indicate readings up-toa) 9999

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b)999 ½c) 1999

9. Liquid penetrant tests can be used to detecta) internal porosity in castingsb)corrosion wall thinning in pipes and tubesc) fatigue cracks in magnesium alloy parts

10. Water-washable liquid penetrants differ from Post-emulsification

penetrants in that theya) need not be removed from surfaces prior to developmentb)can only be used on aluminium alloysc) do not need an emulsifier added

This is exam number 42.

Answer

1. 2 3 4 5 6 7 8 9 10C B B C C C B A C B

1. The accuracy a bevel protractor can be read to isa) 1ºb)50'c) 5'

2. When using a post-emulsification penetrant, the timing is mostcritical duringa) penetrationb)emulsificationc) penetrant removal

3. A liquid penetrant test cannot

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a) be used on porous materials

b)locate sub-surface discontinuitiesc) be used on non-metallic surfaces

4. After mechanical removal of corrosion on an aluminium alloy casting,the length of the blended recess should bea) no more than twenty times the depthb)no less than ten times the depthc) no less than twenty times the depth

5. After carrying out an identification test of aluminium alloy withcaustic soda, the caustic soda should be neutralized witha) Phosphoric acidb)Copper sulphate solutionc) Chromic anhydride solution

6. Steel wire brushes or steel wool shoulda) be used to clean magnesium alloysb)be used to clean aluminium sheetc) never be used on light alloys

7. If an English micrometer is showing 4 main divisions, 3 sub-divisionsand the 25th thimble division was in line, what would the reading be?a) 0.555inb)0.475inc) 0.175in

8. An open circuit on an ohmmeter would be indicated by a reading ofa) infinite resistanceb)zero resistancec) a negative resistance

9. The leads of an ohmmeter should be replaced if their resistance isgreater than

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a) 0.05 ohmsb)0.5 ohmsc) 1 ohm

10. Torque loading is determined by multiplying the tangent forceapplied at the free end of the spannera) by the dia. of the bolt and the distance of its point of applicationb)by its distance of application from the axis of the boltc) by the distance moved by the point of application

This is exam number 43..Answer

1. 2 3 4 5 6 7 8 9 10B C B B C C A C C B

1. Hot air drying of articles during liquid penetrant testing is carriedout at a temperature ofa) 75° Fb)130°Fc) 250°F

2. Which electrical measuring device needs a power source?a) A voltmeterb)An ammeterc) An ohmmeter

3. When measuring voltage or current with a digital multimeter, theindication isa) peak valuesb)RMS valuesc) Average values

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4. On a multimeter, what colour lead is connected to the Common socketa) redb)blackc) green

5. The Vernier scale of a Bevel Protractor is shown below. What is thereading?

a) 86º15’b)38º45’c) 63º15’

6. A phosphate based flux paste is for solderinga) aluminiumb)brassc) stainless steel

7. What type of lubricant should be used when drilling aluminium?a) Paraffinb)Vegetable oilc) None

8. How are spring dividers sharpened?a) By grinding the inside of the pointsb)By filing the outside of the pointsc) By stoning the outside of the points

9. Three point micrometers are for measuringa) linear dimensionsb)external dimensionsc) internal dimensions

10. When is a coarse hacksaw blade used?

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a) When cutting material of thin cross sectionb)When cutting material of thick cross sectionc) When cutting ferrous metals only

This is exam number 44. Answer

1. 2 3 4 5 6 7 8 9 10B A C A B A C C A B

1. To neutralize spilled battery acid on aluminium alloy, usea) caustic sodab)bicarbonate of sodac) sulphuric acid

2. Hydrogen embrittlement of high tensile steel is caused if it istreated witha) Phosphoric acidb)Zinc Chromatec) Nitric acid

3. The regulations concerning the levels of competence for personnelauthorized to carry out Non-Destructive testing are described ina) the Air Navigation Orderb)JAR 66

c) Airworthiness Notice No.94

4. What would be the result of an insufficient clearance angle on atwist drill?a) It would cut slowly, if at allb)It would produce an oversize holec) It would tend to pull through the hole

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5. Dents in a tubular push-pull rodare not alloweda) in the end thirds of the rodb)in the middle third of the rodc) anywhere on the rod

6. A voltage drop across a component is measured by placing the meter ina) parallel with the componentb)series with he componentc) series with the power source

7. Which of the following reamers would you use in a hole having akeyway?

a) Parallel reamerb)Expanding reamerc) Spiral fluted reamer

8. Which of the following actions would be taken to fit a locking deviceto a nut or bolt, if the correct torque has been reached but the lockingdevice will not fita) tighten further until device fitsb)file the base of the nutc) change the nut or bolt for one that will achieve the desiredcondition

9. A tolerance given on a dimension is indicateda) by a plus and minus sign preceding the permitted toleranceb)by the prefix TOL with the permitted tolerancec) by enclosing the permitted tolerance within a triangle

10. How much material should be allowed for reaming?a) 0.010" to 0.015"b)0.003" to 0.007"c) 0.001" to 0.010"

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This is exam number 45.

Answer

1. 2 3 4 5 6 7 8 9 10A B B A B C A A C C

1. This symbol found on an engineering drawing would mean

a) concentricityb)cylindricityc) angularity

2. The purpose of the CRS isa) to ensure that the log book entry is completeb)to turn a log book or job card entry into a legal document and toensure that the signatory takes full responsibility for the work donec) to comply with article 15 of the ANO which states that an aircraftmust not fly unless it is properly equipped for the intended flight

3. Duplicate inspections area) Inspections signed by a mechanic and countersigned by an approvedsignatory or licensed engineerb)Inspections certified by one approved signatory or LAE and thencertified by a second approved signatory or LAEc) Inspections which have to be duplicated but which can finally becertified by one LAE or approved signatory

4. This symbol means

a) first angle projectionb)second angle projectionc) third angle projection

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5. When a piece of metal is bent, the surface of the metal on theoutside of the bend isa) in compressionb)in tensionc) neither in tension or in compression

6. The abbreviation B.A. meansa) British Assemblyb)British Arrangementc) British Association

7. The resistance between a flexible hose and a component should notexceeda) 0.05 ohmb)0.5 ohmc) 1 ohm

8. Why is it necessary to use flux in all silver soldering operations?a) To chemically clean the base metal of oxide filmb)To prevent overheating of the base metalc) To increase heat conductivity

9. Oxides form very rapidly when alloys or metals are hot. It isimportant, therefore, when welding aluminium to use aa) solventb)fillerc) flux

10. Bore tests of flexible hoses are carried out using a suitable ballor bobbin ofa) 25% of the diameter of the end fittingsb)85% of the diameter of the end fittingsc) 90% of the diameter of the end fittings

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This is exam number 46. Answer

1. 2 3 4 5 6 7 8 9 10B B C C A C A C B A

1. When related to aeronautical engineering , the term “Inspection" isdefined in the publicationa) ANO article 11b)Airworthiness Notice (AWN) 3c) BCAR Section L

2. The technical laws relating to Civil Aviation are contained ina) the Civil Aviation Act 1971b)the Air Navigation Orderc) the Civil Aircraft Inspection Procedures

3. Technical and Administrative information is circulated to licensed

engineers, aircraft owners, and approved organizations ina) A.N.O. revisionsb)Air Navigation Regulationsc) Airworthiness Notices

4. Civil aircraft manufactured in the UK are constructed from parts thathave beena) tested to destructionb)manufactured by British Aerospacec) manufactured to approved drawings

5. Design drawings of aircraft components are produced by organisationsapproved bya) C.A.A. in accordance with BCAR

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b)British Standards Institutec) S.B.A.C.

6. The sight line of a bend isa) half a radius from the tangent lineb)at the tangent linec) one radius from the tangent line

7. In Gas Tungsten Arc (GTA) welding, a stream of inert gas is used toa) prevent the formation of oxides in the puddleb)concentrate the heat of the arc and prevent its dissipationc) lower the temperature required to properly fuse the metal

8. A resurfaced soldering iron cannot be used effectively until afterthe working face has beena) fluxedb)polishedc) tinned

9. What is the proof loading for cables after swaging?a) 1/3 minimum breaking strainb)50% minimum breaking strainc) 2/3 minimum breaking strain

10. Control chains should be fitted in an aircrafta) with the minimum of slack in the chainb)so that the chain can be removed easilyc) with as much slack as possible to allow for contraction

This is exam number 47. Answer

1. 2 3 4 5 6 7 8 9 10B B C B C B A A C B

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1. This tolerance symbol means

a) angularityb)positionc) diameter

2. Where are correct layout, dimensioning, numbering and referenceprocedures for engineering drawing are to be founda) BS 1916b)BS 308

c) BS 31

3. What is the purpose of a Morse taper on large sizes of twist drills?a) To allow the drills to be fitted to a drilling machineb)To ensure that the drill is fitted correctlyc) To give a positive drive when fitted into a tapered chuck

4. 10:1 on an engineering drawing indicatesa) the drawing is one tenth full sizeb)the drawing is ten times full sizec) the drawing is full size

5. After cutting a 3/8" BSF internal thread and stud, it is found thatthe stud is too large. How is a fit achieved?a) Remove the male thread crests with a fine emery clothb)Grind a taper on the end of the boltc) Re-adjust the die and re-cut the male thread

6. Civil Aircraft Airworthiness Information Proceduresa) contain information of a mandatory natureb)are a guide to the general maintenance of aircraftc) contain approved inspection schedules

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7. British Civil Airworthiness Requirementsa) list the minimum design requirements for aircraftb)specify the minimum qualifications for aircrew and engineersc) give General technical information

8. What should be the included angle of a twist drill for hard metal?a) 118 degreesb)100 degreesc) 90 degrees

9. You have reamed out a hole in a piece of titanium. How should youremove the reamer safely to prevent unnecessary damage?a) Anti-clockwiseb)Allow the reamer to pass right through the holec) Remove it, but in the same rotation as if cutting

10. The sharpest bend that can be placed in a piece of metal withoutcritically weakening the part is called thea) bend allowanceb)minimum radius of bendc) maximum radius of bend

This is exam number 48. Answer

1. 2 3 4 5 6 7 8 9 10C A A C A B A A B A

1. Increasing the weight of an aircrafta) decreases the glide rangeb)increases the glide rangec) has no affect on the glide range

2. The Datum point on an aircraft, for measuring C of G position couldbea) anywhere on the aircraft

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b)the front bulkheadc) the nose of the aircraft

3. What work has to be recorded and signed fora) all work carried outb)only work involving replacementsc) only work which entails a duplicate inspection

4. Are C.A.A.I.P. mandatory?a) Only selected parts which are in B.C.A.R.b)Yes, but only for six months at a timec) No, nothing in C.A.A.I.P.s is mandatory

5. When reading an engineering drawing, this symbol means

a) profile of a surfaceb)profile of a positionc) profile of a line

6. The threads per inch on the spindle of an English micrometer area) 25 t.p.i.b)40 t.p.i.c) 50 t.p.i.

7. Variable load is weight ofa) crew, their baggage and equipment relevant to roleb)fuel, oil and non-expendable equipment relevant to rolec) basic weight plus operating weight

8. The spring loaded ratchet attached to the spindle of a standardexternal micrometer producesa) a pre-set feel during useb)a smooth free run during usec) a means for controlling thread binding

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9. Solders are available in two formsa) stick solder with a rosin core and solder in a wire form having arosin coreb)stick solder needing a separate flux and solder in wire form having arosin corec) Solder in a wire form needing a separate flux and stick solderneeding no flux at all

10. The purpose of the land on a twist drill is toa) reduce frictionb)present the cutting edge at the required anglec) to allow clearance for swarf

This is exam number 49. Answer

1. 2 3 4 5 6 7 8 9 10C B A A C A A B B C

1. When weighing an aircraft, the hydraulic system should bea) completely fullb)emptyc) filled to “maximum level” mark

2. Lines known as short dashes (thin) are used on drawings to indicatea) visible outlinesb)hidden detailc) cutting revolved

3. Cargo placed aft of the datum will produce aa) positive momentb)negative momentc) neutral moment

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4. If the C of G of an aircraft with a full complement of fuel iscalculateda) the C of G must be recalculated with zero fuel to ensure it willstill be within limitsb)the C of G will always be within limits if it was within limits withfull fuel tanksc) the C of G will only need to be recalculated if the fuel weight isbehind the aircraft C of G position

5. The name given to the moving scale on the Vernier caliper isa) the cursorb)the main scalec) the vernier scale

6. This symbol means

a) flatnessb)positionc) perpendicularity

7. What is the reading of the Vernier caliper scale in inches shownbelow?

a) 1.816b)1.8016c) 0.1816

8. What does the cut of a file refer toa) Number of teeth per inchb)Arrangement of the teethc) Grade

9. Why are teeth of hacksaw blades off-set?a) To provide greater strengthb)To provide clearance for non-cutting part of the blade

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c) To allow a quick cutting positive action

10. Why are some components torque loaded?a) To ensure they do not vibrate looseb)To ensure that they are tightened to their yield pointc) To ensure that their elastic limit is not exceeded

This is exam number 50. Answer

1. 2 3 4 5 6 7 8 9 10A B C B A C A B B B

1. Any change to a drawinga) must be accompanied by the new issue number and dateb)requires a new drawing numberc) must be notified to the S.B.A.C.

2. This symbol on a drawing means

a) washed and packedb)solution treated and precipitatedc) solution treated and requiring precipitation

3. This symbol means

a) diameterb)dimensionalityc) concentricity

4. How are files classified?a) By length, grade and materialb)By length, grade, cut and sectionc) By length, grade, cut, section and material

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5. Details on recording of weight and C of G position can be found ina) BCAR section Ab)Air Navigation Orderc) Airworthiness Notices

6. Hammers are classified bya) shape of head and length of shaftb)weight and length of shaftc) weight and type of head

7. What does the term 'second cut' indicate as applied to hand files?a) The grade of the fileb)A reconditioned filec) The section of the file

8. A Weight and Centre of Gravity Schedule is required bya) all aircraft regardless of weightb)all aircraft above 2730 kg MTWAc) all aircraft not exceeding 2730 kg MTWA

9. When using a reamer, in which direction should it be turned?a) Anti-clockwise when Cutting and removing

b)Clockwise when cutting and removingc) Clockwise when cutting and anti-clockwise when removing

10. What comprises a full set of BA taps?a) A taper, second and plug tapb)A taper and plug tapc) A taper and second tap

This is exam number 51. Answer

1. 2 3 4 5 6 7 8 9 10

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C B C A A C C C A B

1. Break lines are useda) to show where components are expected to breakb)in sectional drawingc) where it would be inconvenient (because of limited space) to drawlong lengths of the same section

2. An oblique projectiona) is the same as an isometric projectionb)has one view looking directly at one face with the lines representingdepth drawn at a constant anglec) has one view looking directly at one face with the linesrepresenting depth drawn at 90o

3. A Weight and Centre of Gravity Schedule is to be raiseda) in triplicate, for the CAA, the operator and the maintenanceorganisationb)once only, for the CAAc) in duplicate, for the CAA and the operator

4. The teeth on a hacksaw bladea) should point away from the handleb)should point towards the handlec) does not matter which way they point

5. What is the clearance angle on a twist drilla) 12 degreesb)59 degreesc) 130 degrees

6. If a new Weight and Centre of Gravity Schedule is issued, the old onemust be retained for

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a) one yearb)two yearsc) six months

7. When tapping blind holesa) a single tap is usedb)a set of two taps is usedc) a set of three taps is used

8. On a torque wrench the torque loading isa) the tangential application of the force divided by the perpendiculardistance to the centre of the boltb)the tangential application of the force plus the perpendicular distanceto the centre of the boltc) the tangential application of the force times the perpendiculardistance to the centre of the bolt

9. Surface Plates are useda) for marking out work and testing flat surfacesb)for filing flat surfacesc) only on surface tables

10. Draw filing producesa) a course finishb)a fine finishc) a mottled finishThis is exam number 52. Answer

1. 2 3 4 5 6 7 8 9 10C B C C B C A B B B

1. For purposes of calculating weight and C of G position, an adult maleis considered to have a mass ofa) 65 kg

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b)75 kgc) 85 kg

2. Aircraft must be reweigheda) after two years from manufacture onlyb)after two years from manufacture then at periods not exceeding fiveyearsc) at periods not exceeding five years

3. A Weight and Centre of Gravity Schedule must be signed bya) the pilotb)the CAAc) a Licensed aircraft engineer

4. A drawing in which the subassemblies or parts are shown as broughttogether on the aircraft is calleda) a sectional drawingb)a detail drawingc) an installation drawing

5. A safe edge of a file is useda) against a rough unfinished surfaceb)against a finished surfacec) to give a fine polished finish to a smooth surface

6. What is the minimum number of hacksaw blade teeth that should be incontact with the material being cuta) 4b)2c) 3

7. Scribers are used toa) mark guide lines on materialb)produce an accurate finishc) make centre pop marks for drilling

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8. The main scale of a Metric Vernier Caliper is calibrated ina) millimetresb)millimetres and half millimetresc) micro-meters

9. A thread on a drawing is labeled ½ - 20 UNF – 1B. The thread isa) externalb)internalc) either external or internal, depending on the application

10. NTS on a drawing stands fora) Not True Scaleb)Not To Scalec) No Tolerance System

This is exam number 53. Answer

1. 2 3 4 5 6 7 8 9 10A A C B B B A C C B

1. A load sheeta) is always carried on the aircraftb)need not be carried on the aircraft if one remains at basec) is never carried on the aircraft

2. A load Sheet must be signed bya) the Commander of the aircraftb)the Loading Officerc) a licensed aircraft engineer

3. Variable Load isa) weight of fuel and oils

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b)weight of passengersc) weight of crew, their baggage and their equipment

4. When reading a blueprint, a dimension is given as 4.387 inches +0.005 - 0.002. Which statement is true?a) The maximum acceptable size is 4.385 inchesb)The minimum acceptable size is 4.385 inchesc) The maximum acceptable size is 4.389 inches

5. A hydraulic system schematic drawing would indicate thea)specific location of the individual components within the aircraftb)direction of fluid flow through the systemc) type and quantity of the hydraulic fluid

6. For a drill to cut properly it is essential that the point angle bethe same on each side, for general use the angle isa) 130ob)59oc) 12o

7. Chalk when used with a fine file producesa) a finer finishb)a ground type surfacec) a milled type surface

8. The pitch of a hacksaw blade isa) its lengthb)the number of teeth on the bladec) the number of teeth per inch

9. When using a hand file correctly, the downward pressure should beused onlya) on a return strokeb)on the forward and return strokec) on the forward stroke

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10. When using a bench grinding machine the wheel rotatesa) from the bottom upwards past the work pieceb)from the top down towards the work piecec) either direction as selected on starting the machine

This is exam number 54. Answer

1. 2 3 4 5 6 7 8 9 10C A C B A A B B B C

1. A Load Sheet is compiled in the order ofa) Basic Weight, Variable Load, Fuel Load, Disposable Loadb)Variable Load, Fuel Load, Disposable Load, Basic Weightc) Basic Weight, Variable Load, Disposable Load, Fuel Load

2. An aircraft which has its C of G forward of the Forward Limita) will have a longer take-off runb)will have a shorter take-off runc) the take-off run will not be affected

3. Which statement is true regarding an orthographic projection?a) There are always at least two viewsb)It could have as many as eight viewsc) One-view, two-view, and three-view drawings are the most common

4. A line used to show an edge which is not visible is aa) phantom lineb)hidden linec) break line

5. One purpose for schematic diagrams is to show thea) functional location of components within a system

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b)physical location of components within a systemc) size and shape of components within a system

6. The size of the nibs of vernier calipers can be ascertained bya) noting the dimension engraved on the instrumentb)measuring the steel rulec) using the standard of 0.693 inches

7. The thimble of an English micrometer is divided intoa) 50 equal divisionsb)25 equal divisionsc) 40 equal divisions

8. The reading on the inch micrometer scale shown is

a) 4.758 insb)0.483 insc) 0.488 ins

9. A flux is used in soldering toa) etch the metals surface for more adhesionb)to dissolve oxidesc) to prevent solder spikes

10. This type of break line represents

a) square tubeb)round tubec) round bar

This is exam number 55. Answer

1. 2 3 4 5 6 7 8 9 10C C A C A C C B C A

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1. What angle of turn will double the weight of the aircrafta) 30ob)45oc) 60o

2. The vernier height gauge uses the same principle asa) the micrometerb)the bevel protractorc) the vernier caliper

3. What type of line is normally used in a mechanical drawing orblueprint to represent an edge or object not visible to the viewer?a) Medium-weight dashed lineb)Light solid linec) Alternate short and long light dashes

4. A specific measured distance from the datum or some other pointidentified by the manufacturer, to a point in or on the aircraft is calledaa) zone numberb)specification numberc) station number

5. The correct way to show two adjacent sectioned parts isa)b)c)

6. The pitch of the screw thread on an English micrometer isa) 0.050 inb)0.001 inc) 0.025 in

7. The best way to check control cables for broken wires is to

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a) examine them visuallyb)increase the tension and check with a magnifying glassc) run a rag along the cable in both directions

8. If the turnbuckles in a control system are tightened excessively theresult will bea) the cable will breakb)the aircraft will be heavy on controlsc) the cables will vibrate excessively and cause failure of controls

9. The "Lay Line" on a flexible hose isa) a white line painted the full length of the hose to indicate anystretch in the hoseb)an arrow painted on the hose to show the direction of fluid flowc) a white line painted the full length of the hose to indicate anytwist in the hose

10. Backlash is a type of wear associated witha) gearsb)bearingsc) rivets

This is exam number 56. Answer

1. 2 3 4 5 6 7 8 9 10B C C A A A B B B B

1. After a chain has been cleaned in paraffin it should bea) hung up to drip dryb)dried in hot airc) washed in soapy water then hung to drip dry

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2. What fraction of the minimum breaking load should be the proof loadfor a chain?a) 0.1%.b)0.1c) 1/3

3. A control cable is proof loaded to ensure thata) it will not break after fitting in an aircraftb)it will not stretch after fitting in an aircraftc) the end fittings on the cable are secure

4. To check the structure of a wing, which NDT is used?a) Radiographicb)Dye penetrantc) Magnetic Flaw

5. British turnbuckles are checked for safety bya) attempting to pass a hardened pin probe through the inspection holeb)attempting to push locking wire through the holec) looking through the hole and checking for threads showing

6. If corrosion is found on a chaina) replace the chainb)clean off the corrosion and if acceptable re-fit the chainc) lubricate the chain

7. A suspected chemical spillage on a cable, you shoulda) clean the cable and inspect 24 hours laterb)replace the cablec) clean, inspect and refit immediately

8. The riveting defect in the figure shown is

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a) too much hammeringb)the snap was not squarec) the dolly was not square

9. Rivet allowance isa) the distance between rivets in the same rowb)the amount of material required to form the rivet on installationc) the distance the rivet is positioned from the edge of the repairplate

10. This electrical symbol represents a

a) single pole – double throw switchb)double pole – double throw switchc) double pole – single throw switch

This is exam number 57. Answer

1. 2 3 4 5 6 7 8 9 10B B C C A B A C B C

1. In the Push-pull tube linkage used in aircraft flying controlsystems, how is the length of the tube adjusted?a) It is fixed and does not require adjustingb)By adjusting end fittings at each end of the tubec) Fit anew push-pull tube

2. The three principle dimensions specified for a chain is the diameterof the rollers anda) the pitch and width across the outside of the platesb)the pitch and width between the inner platesc) pitch and chain length

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3. The distance between the centres of the rollers of a chain is calleda) lengthb)crestc) pitch

4. What is the approximate distance of the sphere of influence of arivet?a) 4 Db)2 Dc) 5 D

5. Rivet clearance isa) the amount that the rivet hole diameter exceeds the rivet diameterb)the distance between rivets in the same rowc) the distance between rows of rivets

6. This electrical symbol represents a

a) variable inductorb)iron core inductorc) air core inductor

7. This electrical symbol represents a

a) PNP transistorb)NPN transistorc) Zener diode

8. The minimum rivet pitch isa) 2 x the rivet diameterb)2 1/2 x the rivet diameterc) 3 x the rivet diameter

9. Spotfacing is done to

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a) provide a good surface for weldingb)provide a flat area on a rough surfacec) compensate for height in lieu of a spring washer

10. If ice and snow is found on the wings of an aircraft. Before flightthea) ice should be removed but snow can remain because the airflow willremove itb)snow should be removed but ice can remain because it has no appreciableaffect on the airflowc) all snow and ice must be removed

This is exam number 58. Answer

1. 2 3 4 5 6 7 8 9 10A C C A A B A B B B

1. Which of the following formulas should be used to calculate thepercentage extension of an aircraft control chainNote:M = Measured length under load in inchesX = Number of pitches measuredP = Pitch of chain in inchesa) M - (X x P) x 100X x Pb) X - (M x P) x 100M x Pc) M + (X x X) x 100P x M

2. HTS aircraft control cables are protected from corrosion bya) zinc platingb)cadmium coatingc) Galvanising

3. The maximum allowable extension of a chain assembly over a nominal

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length isa) 3%b)5%c) 2%

4. In a first angle orthographic projection the plan view is placeda) below the front elevationb)below the side elevationc) above the front elevation

5. A geometric tolerance symbol indicating that one edge must beparallel to a datum edge would be shown asa)b)c)

6. When a cutting plane on a drawing cuts a web longitudinally, the webisa) sectioned the same as the rest of the viewb)not sectionedc) sectioned with different direction of hatch

7. A shaft dimension given as 1.225” +/- 0.003” followed by “MMC”should be manufactured to what size?a) 1.228”b)1.222”c) 1.225”

8. 2 microns isa) 0.002”b)0.002 mmc) 0.000 002“

9. The edge or surface of a part from which dimensions are measured fromis called the

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a) reference planeb)datumc) water line

10. This electrical symbol represents a

a) push to reset circuit breakerb)push-pull circuit breakerc) toggle switch circuit breaker

This is exam number 59. Answer

1. 2 3 4 5 6 7 8 9 10B B C B A B B B A A

1. What is the purpose of the hole in the swaged end fitting on a swagedcable?a) To allow trapped air to escapeb)To ensure the cable end passes the inspection hole on drilled throughtype fittings but leaves the locking wire hole clearc) To allow a split pin to be inserted

2. With a serviceable chain not required for use, how should you storeit?a) clean, lubricate, wrap the chain in grease proof paper and suspendb)carefully coil, lubricate, lay flat and wrap in grease proof paperc) lay the chain flat in full length , lubricate and wrap in brownpaper to exclude all dirt and moisture

3. The riveting defect in the figure shown is

a) an incorrect snap has been usedb)the snap was not squarec) the hole was too small

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4. The inspection hole in a turnbuckle isa) to allow the locking wire to pass through for the purpose of locking

b)to ensure that the turnbuckle is in safetyc) to ensure that the locknuts are adequately tightened

5. Which of the following could be a primary cause of HIRF protectionfailure?a) Unserviceable radio filtersb)Broken or missing static wicksc) Corrosion on bonding leads

6. This electrical symbol represents a

a) light bulbb)fusec) flexible coupling

7. The ‘grip’ of a rivet isa) the area of the plates held firmly togetherb)the thickness of plates which can be fastenedc) the length of rivet left to form the head

8. Water Lines area) front to rear measurements on the fuselageb)vertical measurements on the fuselagec) left and right measurements on the fuselage

9. When a cutting plane goes through a bush and bolt assembly, on thesectioned viewa) the bush will be hatched but the bolt will notb)neither the bush nor the bolt will be hatchedc) both the bush and the bolt will be hatched

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10. This symbol indicates that

a) machining is required on a particular surfaceb)machining is required on all surfacesc) chisels must not be used

This is exam number 60.

Answer

1. 2 3 4 5 6 7 8 9 10A C A C C C C B C C

1. When checking a diode forward bias function, the positive lead of theohmmeter should be placed on thea) anode and the negative lead to the cathodeb)cathode and the negative lead to the anodec) cathode and the negative lead the earth

2. An avometer can measure alternating current because it has aa) moving coilb)moving ironc) bridge rectifier circuit

3. Which of the following could be a primary cause of HIRF protectionfailure?a) Unserviceable radio filtersb)Broken or missing static wicksc) Corrosion on bonding leads

4. The basic equipment of an aircraft isa) the crew equipment, and other equipment including fuel and oilnecessary for a particular flightb)all equipment including fuel and oil necessary for a particular flight

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c) that equipment which is required for every role of the aircraft forwhich the aircraft is operated plus unusable fuel.

5. Taper reamers are classified bya) the diameter of the small endb)the diameter of the large endc) a type number (1 to 10)

6. Silver solder is made froma) tin, copper and zincb)copper, tin and silverc) copper, zinc and silver

7. Brazing material is made froma) copper and tin and leadb)copper, silver and tinc) copper zinc and silver

8. When clamping cable looms containing co-axial cablesa) avoid distortion to the co-axial cable to maintain the dielectricconstantb)distortion of the outer sheath is allowed providing the inner cable isnot affectedc) the clamps must be no more than 1 metre apart

9. When fitting coaxial cable connectors it is important toa) fit the correct lock nutsb)not damage any seals fittedc) make sure the outer cup is fitted the correct way round

10. The bonding resistance of primary structure must not exceeda) 0.5 ohmsb)0.005 ohmsc) 0.05 ohms

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This is exam number 61. Answer

1. 2 3 4 5 6 7 8 9 10C C C A C B B A A B

1. A crimped electrical connection is suspected to be high resistance.How would you verify this without disconnecting the circuit?a) Measure the resistance with a 250 volt meggerb)Measure the resistance with an ohmmeterc) Measure the millivolt drop across the connection with a millivoltmeter

2. How would you measure continuity of a coaxial cable?a) With a 250 volt meggerb)With a safety ohmmeterc) With a reflectometer

3. What is the licensed engineer responsible for when fitting a newcomponent to an aircraft?a) That is has a green serviceable tagb)That the paperwork is signed by an approved signatoryc) The correct part number, the modification state and theserviceability of the component

4. Where would you find documented, the fore and aft limits of the C ofG position?a) In the Flight Manual (or the documentation associated with the C ofA)b)In the aircraft Maintenance Manualc) In the technical log

5. If a test or inspection instrument has no calibration data suppliedby the manufacturer, you would use the calibration data provided by

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a) CAAIPsb)the Maintenance Manualc) the British Standards Quality Assurance documentation referring tocalibration of instrumentation and test equipment

6. Why are test or inspection instruments regularly calibrated andcertified?a) To ensure they are being used regularlyb)To ensure they will perform within the required limits of operationc) To ensure they can handle the range of measurements required ofthem

7. Who is responsible for ensuring that weight and balanceinstrumentation is serviceable before use?a) An engineer holding a license in the instrument categoryb)The person responsible for carrying out the weight and balanceprocedurec) The manufacturer of the equipment

8. The term 'reaction' used in weighing an aircraft refers toa) the individual loads on each landing gearb)the sum of the loads on all of the landing gearc) the sum of the loads on the main landing gear only

9. When inspecting a weld, you should make sure thata) the parent (or basis) materials are fully fused togetherb)the weld has inclusions inside the beadc) there are voids either side of the weld

10. A hole drilled at the intersection of two bends in a fabricatedsheet metal component is calleda) a crack stopperb)a relief holec) a drain hole

This is exam number 62.

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Answer

1. 2 3 4 5 6 7 8 9 10B A C A A C B C C C

1.This is a diagram ofa) a voltage dividerb)a potentiometerc) a voltage regulator

2. Aluminium alloy pipe used for hydraulics systems is flareda) as suppliedb)annealedc) normalized

3. Material used for springs isa) Low carbon steel or alloy steel with high working stressesb)Low carbon steel or alloy steel with low working stressesc) High carbon or alloy steel with low working stresses

4. Magnetic Flux detection will show defects which area) transverse onlyb)longitudinal and Transversec) longitudinal only

5. Thrust bearings transmita) thrust loads, thus limiting axial movementb)thrust loads, thus limiting radial movementc) radial loads, thus limiting axial movement

6. Chipping of a ball bearing indicatesa) brinellingb)chatteringc) spalling

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7. When testing thermocouples using a test set the ambient temperaturea) never needs to be consideredb)is considered every timec) is only considered when temperatures of 20 degrees C or above

8. After a heavy landing you should checka) engine module alignmentb)engine compressor shaft alignmentc) engine thrust alignment

9. Refueling should not take place whena) APU runningb)Nav lights and landing lights onc) within 30 m (100 ft) of radar equipment being operated

10. When Ground Power is connected to aircraft, the generators area) paralleled to supplyb)paralleled to supply for ground starting onlyc) never paralleled

This is exam number 63. Answer

1. 2 3 4 5 6 7 8 9 10C A C B A A B B A B

1. Electronic test equipment for fuel tank contents systems usuallyincorporate variablea) inductorsb)resistorsc) capacitors

2. A defect would be marked on an exhaust system using

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a) chalkb)a pencilc) a special zinc/copper tipped marking tool

3. Which of the following lines indicate hidden detail on a drawing?

a) A continuous line as shown in 1b)A broken line as shown in 3c) A broken line as shown in 2

4. A hairline crack would show up on a dye penetrant inspection asa) a group of dots spread over a wide areab)a continuous line of small dotsc) a thin broken line or chain

5. When carrying out an ultrasonic inspection, what is the gel used for?a) To create a good sonic coupling between the the probe and the testpieceb)To reduce the friction between the probe and the test piecec) To prevent the test piece from becoming scratched by the probe

6. Before using a bonding tester, the 6 foot lead has the two prongsshorted together with a piece of metal. What would the indicator read?a) Full scale leftb)Full scale rightc) Zero at the centre

7. When using a megger to test insulation resistance, capacitive filtersshould be disconnected for what reason?a) Remove the risk of damage to the meggerb)Remove the spurious readings caused by the capacitors charging anddischargingc) Prevent damage to the filters

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8. When inserting pins into a front release connector the inserting toolshould be used with the gap facing which direction?a) The centre of the connectorb)The outside of the connectorc) Either direction

9. Hydraulic crimping tool after completing the crimping operation,releases the crimp whena) the by pass valve opensb)the by pass valve closesc) the foot pedal force is at maximum

10. The type of binding tape used for cables in temperatures above 260°Cis which of the following?a) Nylonb)Teflonc) Nomex

This is exam number 64. Answer

1. 2 3 4 5 6 7 8 9 10B B C B B B A A B A

1. At which frequency is the calibration of crimping tools carried out?a) Annuallyb)Every 1000 crimpsc) Bi-annually

2. In order to maintain HIRF protection, bonding checks between airframeand electrical components carrying voltages greater than 50V RMS or dcshould not exceeda) 1 M ohmb)1 ohm

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c) 0.05 ohm

3. Ribbon cables affected by mutual impedance and current loop leakageshould be protected bya) shielding each individual conductorb)connecting all conductors to a common earthc) earthing each alternate conductor to separate points

4. On a long coaxial cable how would you check for discontinuities andshorts in situ?a) Safety ohmmeterb)Time Domain Reflectometerc) Continuity tester

5. What is the minimum bend radius of a loom adequately supported at aterminal block?a) 8 x diameterb)3 x diameterc) 10 x diameter

6. How are front release pins removed?a) The tool is Inserted from the front and the pin is removed from thefrontb)The tool is inserted from the front and the pin is removed from therearc) The tool is inserted from the rear and the pin Is removed from thefront

7. If a co-axial cable clamp is over tightened so as to compress thedielectric, how will the capacitance change?a) Increaseb)Decreasec) Stay the same

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8. What is the minimum bend radius of a single co-axial cable?a) 6 x diameterb)8 x diameterc) 10 x diameter

9. What is wet arc tracking?a) A fault caused by insulation damage and fluid contaminationb)A fault caused by hot stamp printingc) A fault caused by “knuckling through"

10. When using a heat shrink gun, what should the temperature of the gunbe set to?a) 100° above the heat shrink temperatureb)100° below the heat shrink temperaturec) 15° below the heat shrink temperature

This is exam number 65. Answer

1. 2 3 4 5 6 7 8 9 10B C A C B B A C B B

1. What is the maximum resistance between the main earth system and ametal plate on which the earthing device (tyre) is resting?a) 1 megohmb)10 megohmsc) 100 megohms

2. What is the primary purpose of bonding of metallic parts of anaircraft?a) To prevent lightening strikesb)To provide a return path for electrical two-wire systemc) To prevent high potential differences between metallic parts frombuilding up

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3. What is the reason for a primary bonding connection’s largecross-sectional area?a) To carry lightening discharge current should the need ariseb)To maintain the airframe at the same potential throughoutc) To carry the static discharge current to the conducting nose wheel

4. The three electrical checks carried out on aircraft are (1)continuity (2) bonding (3) insulation. What is the order in which they areexecuted?a) 1-2-3b)2-3-1c) 2-1-3

5. When an engine is not in direct electrical contact with its mounting,how should it be bonded?a) With at least one primary conductorb)With at least two primary conductors, one each side of the enginec) With at least two primary conductors on one side of the engine

6. When carrying out a serviceability check on a bonding tester - shorttogether the three prongs of both probes and ensure which of thefollowing?a) A full scale reading is obtainedb)A zero readingc) The meter reads 0.1 ohm

7. When an earth-return terminal assembly has to be replaced which ofthe following checks must be carried out?a) Bonding and milli-volt drop testsb)Bonding and insulation resistance testsc) Bonding and continuity tests

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8. If the leads of a bonding tester are damaged, what is the procedure?a) A new lead may be manufactured using the correct current rated cable

b)Provided that the damage is situated close to the end of the leads thecable may be shortenedc) The damaged leads and the tester should be returned to themanufacturer for repair and calibration

9. When carrying out millivolt drop checks on a circuit, what is anapproximate guide for a correct reading?a) 10 millivolts for every 15 amps flowingb)5 millivolts for every 10 amps flowingc) 10 millivolts for every 5 amps flowing

10. When refueling an aircraft from a tanker, why are the aircraft andtanker bonded together?a) To enable the aircraft re-fuel pumps to be operated from the tankerelectrical supplyb)To maintain the aircraft and tanker at the same electrical potentialc) To discharge static electricity from the aircraft to the tanker

This is exam number 66. Answer

1. 2 3 4 5 6 7 8 9 10A B B A A B A B C A

1. When carrying out a continuity test on a circuit when a knownresistance exists, what instrument would you use?a) A multimeterb)A high resistance insulation testerc) A lamp and battery

2. Effective continuity is not possible unless which of the followingconditions exists?a) All circuit earths are disconnectedb)The portion of the circuit under test must constitute a simple series

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circuit with no parallel pathsc) All manually operated switches must be off

3. Why is a low voltage supply used for continuity testing?a) To avoid damage to the wiringb)To avoid breaking down a high resistance film that might exist betweencontacting surfacesc) To prevent fuses “blowing” and lamps burning out

4. If an insulation resistance tester is operated and the leads aresuspended in free air, what will the meter read?a) Infinityb)Zeroc) Mid scale - it is a ratiometer movement and there is no currentflowing in the external circuit

5. When replacing a bonding connection and the original conductor cannotbe matched exactly, which of the following replacements would you use?a) One manufactured from the same type of material, but of greatercross sectional area should be selectedb)One manufactured from any conducting material of the same crosssectional area be usedc) One manufactured from any piece of Nyvin cable having the correctcurrent capacity may be used

6. How do you reduce or remove electrostatic charges which may build upon fibre glass surfaces?a) The surface is impregnated with copper stripsb)The surface is treated with a special conductive paintc) No special treatment is necessary because fibre glass is aninsulator

7. If bridging strips or bonding cords are fractured, what action may betaken?a) A new conductor should be fitted

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b)The broken ends can be solderedc) The broken ends can be repaired with an “in-line” splice

8. An Insulation test is carried out on a group of cables and a lowreading obtained. What action would you take?a) Change or renew all the cables involved in the testb)Break the circuit down and carry out further checksc) A low reading would be expected because the cables are in parallel

9. What is a typical min insulation resistance value for an aircraftundercarriage bay?a) 10 megohmsb)5 megohmsc) 2 megohms

10. Whenever possible a functional test should be carried out on anaircraft using which power supply?a) An external supplyb)The aircraft batteryc) The aircraft generators

This is exam number 67..Answer

1. 2 3 4 5 6 7 8 9 10B C C C A A B A A A

1. Immediately after carrying out an insulation check, which of thefollowing applies?a) A continuity check must be carried out before switching on thecircuit for the first timeb)The readings observed and the atmospheric conditions at the time shouldbe noted and compared to previous readingsc) The observed readings should be noted and an independent checkcarried out by another engineer

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2. A Hardy Spicer coupling has what type of bearings?a) Plain bearingsb)Ball Bearingsc) Needle bearings

3. When using the trepanning tool, the hole to be drilled should bea) 1/32" Smaller than the guide diameterb)1/32" bigger than the guide pin diameterc) same diameter as the guide pin

4. When a helicopter lands, how does the pilot signal to ground staffwhen it is safe to approach the aircraft?a) Flash the Nav lightsb)Flash the landing lightsc) Turn the anti collision lights off

5. When using a digital meter to test a diode , a correct operation ofthe diode is indicated by a volt drop ofa) 0.3v to 0.7vb)1.5v to 2vc) 2.5v to 2.8v

6. When using a stripboard , the tracks on a PCB are etcheda) before component fitmentb)after fitment but before soldering the componentsc) after fitment and soldering of components

7. The recommended insulation resistance of a DC motor isa) 0.5 megohmsb)2 megohmsc) 5 megohms

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8. Silver soldering is suited fora) general soldering workb)high temperature applicationsc) electronic component soldering

9. Soft solder is suited for joints, which area) subjected to small forcesb)subjected to strong forcesc) subjected to fatigue

10. To check that the ident pulse is being generated from an ATCtransponder,a) press the ident and monitor the indication on the ramp test setb)select ident and check the indication on the instrument panelc) select an ATC channel and check the morse code

This is exam number 68. Answer

1. 2 3 4 5 6 7 8 9 10B C B C A C B C A C

1. A feather key locates a gear on a shaft and permitsa) a positive and strong drive transmissionb)a positive drive and axial movementc) a positive drive with the gear firmly locked

2. If an aircraft exceeded the RVSM , when shall the crew report theincident in the appropriate channelsa) 24 hrsb)48 hrsc) 72 hrs

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3. Fluorescent dye penetrant is suited for what materials?a) Ferrous magnetic materialsb)Non magnetic non-ferrous materialsc) Plastics and non magnetic materials

4. Taper pin are classified bya) length and taperb)length and diameter of large endc) length and diameter of small end

5. Graphite greases are used fora) high temperature applicationsb)low temperature applicationsc) medium temperature applications

6. Live AC circuits to be checked for open circuits by the use ofa) ohmmeter set to megohmsb)ammeter set to ampsc) multimeter set to AC volts

7. A millivolt drop check is to be carried out on a heavy duty relay.The Millivolt meter would be connected to the relaya) when contacts are open and power is onb)when contacts closed and power is onc) when contacts open and power off

8. Light drive fits for bolts have a maximum allowance ofa) 0.0025 inchb)0.005 inchc) 0.0006 inch

9. Removal of ice by the use of de-icing fluid on the aircraft, beforeflighta) may remove ice for a period of time depending on the airfieldconditions

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b)must be 1 hour before flight to enable fluid to be cleaned fromaircraftc) will provide sufficient prevention of ice formation until take off

10. Non metallic parts of the aircrafta) do not require to be bonded because they are non conductiveb)must be bonded by bonding leadsc) must be bonded by application of conductive paint

This is exam number 69.

Answer

1. 2 3 4 5 6 7 8 9 10B C A B C B A C C C

1. When fitting a hydraulic component, the hydraulic seal should belubricated witha) with a specified hydraulic oilb)the same fluid that is used in the hydraulic system (e.g. skydrol)c) grease

2. To ensure protection against HIRF affecting audio and navigationaidsa) ensure that the correct number of static wicks are fittedb)inspect and check all bonding leads to ensure their serviceability andreplace if defectivec) ensure that all audio and navigation equipment is adequatelyscreened

3. If the aircraft is away from base who may certify the second part ofthe duplicate inspection?a) a pilot with a licence for the aircraft typeb)a pilot with a licence for any similar aircraft typec) any licensed engineer

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4. BITE systems to be used on the ground only is deactivated bya) the parking breakb)on take offc) by the undercarriage retraction

5. The intervals for calibration of test equipmenta) are every yearb)are as specified in JAR 145c) are different from one appliance to another

6. A multiplier resistance is used to extend the working range of thea) ammeterb)voltmeterc) ohmeter

7. On twist drill chart, small drills havea) largest numbersb)smallest numbersc) their sizes in fractions, in inches

8. What drill angle is used to drill titanium?a) 90-100 degreesb)130-140 degreesc) 105-120 degrees

9. When pressure testing a flexible hydraulic pipe you test it ata) its normal rangeb)straight plus and minus 15 degreesc) normal range plus 15 degrees

10. When turning and towing an aircraft, why should sharp radiuses beavoided?a) Power steering leaks could occur

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b)Scrubbing of nosewheel tyres could occurc) Scrubbing of mainwheel tyres could occur

This is exam number 70. Answer

1. 2 3 4 5 6 7 8 9 10A A C C A B A B B A

1. The minimum 'no smoking' zone around an aircraft when refuelling isa) 6mb)15mc) 10m

2. A CO2 extinguisher is used ona) solid, liquid and electrical firesb)solid, liquid, hot metal and electrical firesc) solid and liquid fires

3. The Sine Bar is used toa) check accuracy of slip gaugesb)by itself to calculate anglesc) produce angles using slip gauges

4. When tightening a nut on a bolt the torque loading applied isa) independent of whether the threads are wet or dryb)inversely proportional to the force applied to the spannerc) the tangential application of the force times the perpendiculardistance from the point of application to the centre of the bolt

5. The UK standard of limits and fits isa) BS4500b)BS308c) BS8888

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6. A pressure gauge is fitted to a Dead Weight Tester. The piston areais 0.25 sq.in. and the total mass of the mass carrier and masses is 5lb.If the pressure gauge is accurate what pressure in pounds per square inch(PSI) will it read?a) 1.25psib)20psic) 200psi

7. De-icing fluid Type 1 is useda) for short holdover timesb)where the ambient temperature is below -10degrees Centigradec) where holdover times are long

8. Block cumulative maintenance means thata) each check usually involves an increased aircraft down timeb)all the checks require the same man hour input except for the majorinspections

c) all the maintenance is carried out in blocks

9. A separate modification record book is required fora) all aircraftb)passenger aircraft exceeding 2730 kgs MTWAc) passenger aircraft exceeding 3600 kgs MTWA

10. Sector record pages from the Tech Logs, must bea) at least duplicatedb)retained for two years from the date of issuec) retained for four years from the last effective date

This is exam number 71. Answer

1. 2 3 4 5 6 7 8 9 10

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A B A B A B A A A A

1. In an electrical cable 1EF6B22NMS, what does the letter E represent?a) Circuit functionb)Cable sizec) Segment letter

2. On a vernier micrometer, what will three turns of the barrelrepresent?a) 0.050"b)0.075"c) 0.100"

3. When mooring an aircraft what type of rope should be used?a) Nylonb)Fibre, tied tight due to stretch when wetc) Fibre, with some slack due to shrinkage when wet

4. When using a Pacific tensionmeter the correct tension is found bya) reading dial, provided the correct riser is used for the cablediameterb)comparing reading to chart providedc) adding reading to riser number

5. Dye penetrant kits should be storeda) out of sunlight in a dry placeb)in direct sunlight to keep it dryc) in a dark damp cupboard

6. When testing a fuel metering unit, how is it checked?a) With the meter in parallel with the unitb)With the meter in series with the unitc) With the unit disconnected

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7. How does a windy drill get power?a) Impellerb)Spur gearc) Bevel gear

8. Which of the following can dye penetrant be used ona) non ferrous metalsb)plasticsc) honeycomb panels

9. When using bonding testera) ensure prongs penetrate anodised layerb)ensure prongs do not penetrate anodising layerc) an anodised component cannot be tested

10. An aircraft with underwing mounted engines has a heavy landing,where would you expect to see wrinkling of the skins?a) On the top and bottom skinsb)Top skin onlyc) Bottom skin caused by engine inertia

This is exam number 72. Answer

1. 2 3 4 5 6 7 8 9 10B B A C A B C B C C

1. In an oxygen system, if the pressure drops to 500 PSI, ita) causes anoxiab)blocks the oxygen system regulatorc) begins to overheat

2. How are taper reamers classified?a) Taper and diameter of small endb)Length and diameter of large end

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c) Length, diameter of large end, and diameter of small end

3. Where do you find the preparation for weight and balance?a) Maintenance Manualb)CAIPsc) BCARs

4. An AC voltmeter readsa) peak valueb)peak to peak valuec) average value

5. Minimum equipments to be carried is given bya) JAR OPSb)JAR 145c) JAR 25

6. In film radiography, image quality indicators (IQI) are usuallyplaceda) between the intensifying screen and the filmb)on the source side of the test objectc) on the film side of the object

7. A hydrometer is used toa) check battery electrolyte densityb)take humidity readingc) check battery electrolyte specific gravity

8. A pyrometer is aa) pyramid shaped altimeterb)thermometer for use at high temperaturec) foam/granule fire extinguisher

9. A hygrometer is used to

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a) check battery electrolyte relative densityb)check battery electrolyte specific gravityc) take humidity reading

10. Which type crack will probably cause the most build-up in themagnetic particle indicating medium?a) shrinkb)grindingc) fatigue

This is exam number 73.

Answer

1. 2 3 4 5 6 7 8 9 10A B B C C C A A A C

1. Identify the parts required to make up a flared-tube fitting?a) Sleeve and nutb)Body, sleeve and nutc) Ferrule and nut

2. The letter A.F.D. in a circle stamped on a material indicates that ithasa) been annealed fired and dopedb)been anodic flaw detectedc) an across flats diameter bolt

3. The primary reason for using flux when welding aluminium is toa) promote better fusion of the base metal at a lower temperatureb)prevent oxides from forming ahead of the weldc) prevent molten metal from flowing too widely

4. The oxyacetylene flame for silver soldering should be

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a) oxidizingb)carburizingc) neutral

5. Which items listed below is the most important consideration whenselecting a welding rod?a) Type of torchb)Thickness of the metal to be welded onlyc) Type and thickness of the metal to be welded

6. On a coaxial cable, cable impedance isa) proportional to lengthb)inversely proportional to lengthc) not effected by length

7. Where would Zone 324 be found in ATA 100?a) Tip of horizontal stabilizerb)Fwd of the wing rear sparc) Between rear spar of wing and trailing edge of wing

8. A secondary earth isa) 18 AWGb)not less than 0.5mm cross sectional areac) 22 AWG

9. On a static leak tester, pressure is released bya) slowly opening the release knob for 3 minutesb)an internal balance valve in the testerc) a bleed valve in the tester

10. The strength of a riveted joint is determined bya) pitch and tensile strength of rivetb)shear strength of rivet and material it is made ofc) shear strength and pitch of rivet

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This is exam number 74. Answer

1. 2 3 4 5 6 7 8 9 10A A B C B C A B B B

1. What temperature should the heat gun be set for shrinking heat shrinksleeve?a) 100 degrees C above rated temperatureb)100 degrees C below rated temperaturec) At the rated temperature

2. What should be checked before a licensed engineer signs a CRS?a) That he/she has worked for 6 months on the aircraft type within theprevious 2 yearsb)That he/she has had continuation training within the previous 2 yearsc) That he/she has worked for 4 months on the aircraft type within theprevious 2 years

3. How many primary bonding conductors are required on an engine?a) 2 on one sideb)1 on each sidec) 1 only

4. A 0.625" drill is identified bya) Letter Ab)Letter Ec) 5/8

5. HIRF interference occurs whena) in use on mid frequenciesb)in use on all frequenciesc) in use on low frequencies

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6. Solder can be used to joina) similar metals onlyb)only copper based metalsc) some dissimilar metals

7. Bonding value for secondary structure isa) 1 ohmb)0.5 ohmsc) 0.05 ohms

8. A fuel calibration test set when used to check an aircraft with halfa fuel load is connecteda) to gauge with fuel level capacitanceb)to gauge with fuel level in seriesc) to gauge with fuel level in parallel

9. To measure AC with a moving coil, ita) is rectified and measures peak valueb)is rectified and measures average valuec) can be directly connected

10. The benefit of a ketts saw isa) it allows a single handed operation due to less torqueb)it can cut thicker metal than is usually required for a repairc) it comes in two versions - pneumatic and electric

This is exam number 75. Answer

1. 2 3 4 5 6 7 8 9 10B B B C A B A B C C

1. 'E' on a wire, under ATA 100 is a

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a) phase indicationb)system ID codec) cable size

2. The drill bit cutting angle for titanium isa) 90-100 degreesb)105-120 degreesc) 120-140 degrees

3. The flare angle on an AGS pipe isa) 45 degreesb)32 degreesc) 90 degrees

4. A gap in a fire wall can be plugged bya) a plastic bungb)an aluminium platec) a fireproof bung or bush

5. Prior to aluminium alloy bonding wea) acid etchb)solvent wipec) alkaline etch

6. Diffusion bonding givesa) high strength and stiffnessb)high strength and ductilityc) high strength and brittleness

7. Glass reinforced panels are bonded bya) special conductive paintb)bonding strips to conductorsc) wire mesh

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8. Calibration of aircraft hydro static weighing equipment isa) carried out every time before an aircraft is weighed and adjusted byoperatorb)done once a yearc) not required

9. On an aircraft which has had a heavy landing on the lower wing youmay seea) saggingb)hoggingc) wrinkling

10. A chain is removed bya) spring clipsb)removing chain links on an endless chainc) nuts and bolts

This is exam number 76. Answer

1. 2 3 4 5 6 7 8 9 10A A B C A B B C C B

1. An aircraft should be cleared of snow usinga) hot fluidb)cold fluidc) hot air

2. When weighing an aircraft with load cellsa) the aircraft is jackedb)only the main wheels are weighedc) a load cell should be placed under each set of wheels

3. Vital points inspections are carried out

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a) on an A checkb)after the area is disturbedc) on a C check

4. Rubber components should be storeda) in warm and humid conditionsb)in a well lit roomc) in a cool dark area

5. When an aircraft is pulled out of soft grounda) the equipment should be attached to the main gearb)the equipment should be attached to the nose gearc) the equipment should be attached to the tail cone

6. An aircraft should not be refuelled whena) the APU is runningb)with radar and electrical equipment operatingc) navigation and landing lights are operating

7. To check the structure of a wing, usea) low voltage X-raysb)high voltage X-raysc) ultrasonic NDT

8. When drilling light alloya) no lubricant is requiredb)lard oil should be usedc) use the specified lubricant

9. When countersinking rivet holes in a materiala) a plain countersink bit should be usedb)the rivet head should stand 1/32" proud of the surfacec) a special countersinking bit with a pad to stop drilling too deepshould be used

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10.The picture above shows a torque wrench with an extension. To apply atorque of 350 lb.in. the reading on the dial should bea) 350 lb.in.b)280 lb.in.c) 245 lb.in.

This is exam number 77. Answer

1. 2 3 4 5 6 7 8 9 10A A A C B C C A A B

1. The gears in a pistol windy drill area) spur gearsb)gears in a gear boxc) gerotor type gears

2. When using dye penetrant NDT on a tank, the penetrant should beapplieda) on the inside, with developer on the outsideb)on the outside, with developer on the outsidec) on the inside, with developer on the inside

3. Reaming light alloy tube is done witha) the same oil and lubrication as used for cuttingb)hard base lubricantc) no lubricant

4. What is a countersink tool used for?a) To adjust the angle of a countersinkb)To prevent damage to pipework in a blind hole

c) To adjust the depth of a countersink

5. Storage of components to prevent corrosion is usually in the form ofa) a plastic box

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b)silica gelc) grease proof paper

6. When mooring helicoptersa) one blade should be tied to the tail rotorb)one blade should be tied to the structurec) each blade should be capped and tied to the mooring points

7. To prevent wet arc trackinga) cables should not be stretchedb)cable grips should be tightc) ensure hot stamp printing is controlled

8. Dye penetrant kits should be storeda) out of sunlight in a dry placeb)in direct sunlight to keep it dryc) in a dark damp cupboard

9. Aircraft measurements aft of the datum area) positiveb)negativec) either positive or negative

10. When splicing a cable with a soldered joint, the operation isfinished whena) the solder has meltedb)the solder and insulation have formedc) the solder sleeve disappearsThis is exam number 78. Answer

1. 2 3 4 5 6 7 8 9 10C B C B A B A A B A

1. When manufacturing an electrical connector the unused holes area) filled with connectors and blanked

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b)filled with connectorsc) covered with blanks

2. There is ice and snow on a helicopter blade. Youa) wipe off excess snow and leave iceb)remove all traces of ice and snowc) leave a layer of ice

3. Wrinkling of an aircraft skin willa) weaken the skinb)increase drag on the aircraftc) cause rivets to pull

4. Marking out on stainless steel can be clarified by application ofa) ammoniab)copper sulphatec) sal ammoniac

5. Tolerance is thea) allowable error due to faulty workmanship and toolsb)difference between worn and new toolsc) the difference between a hole and shaft size

6. A press fit requiresa) the hole to be expanded by heatb)some sort of driving forcec) the shaft to be shrunk by cooling

7. When drawing lines on aluminium alloy sheet prior to bendinga) a thin coat of zinc chromate primer should be used, ready for pencillinesb)a scriber should be usedc) a wax pencil should be used

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8. You have removed a bolt from a critical bolted joint for inspectionand rectification. What action should you take prior to inspection?a) A preliminary inspection should be made before the hole is cleanedb)Before any inspection is carried out, the nut/bolt and hole must becleaned with a solvent such as trichloroethylenec) Clean the bolt shank and thread and re-grease and replace bolt andcheck for side-play.

9. On inspection of a critical bolted joint you witness black or greydust or past. What type of corrosion has taken place and what type ofmaterial is involved?a) Galvanic corrosion in magnesium alloysb)Fretting corrosion in aluminium alloysc) Exfoliation corrosion in magnesium alloys

10. In a critically bolted jointa) a PLI washer can only be used onceb)a PLI washer can be used more than once only with self locking nutsc) a PLI washer can be affected by thread lubricant

This is exam number 79. Answer

1. 2 3 4 5 6 7 8 9 10C A C C A C B A B C

1. What solvents could you use to clean tools used for fibreglassrepairs?a) Lead free petrol/keroseneb)Trichloroethylene or acetonec) acetone or MEK

2. Which of the following jointing compounds should not be used in thevicinity of a joint where the temperature may exceed 200 degrees C?a) DTD 369b)DTD 200c) DTD 900

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3. Why is jointing compound applied to the surfaces of material beingjoined together prior to riveting?a) To prevent swarf damageb)To act as a sealant and prevent filiform corrosionc) To inhibit electrolytic action

4. What is the typical acceptable limit of a dent on a frame member?a) One and a half times the skin thicknessb)Twice the skin gauge and 0.75" diameterc) One gauge depth and 0.75" diameter

5. What is indicated by the wrinkling of the underside of an aircraftskin?a) Hoggingb)Frettingc) Sagging

6. What is used to re-protect magnesium?a) Selenious acidb)Deoxidinec) Chromic acid

7. What is used on magnesium to remove corrosion?a) Selenious acidb)Chromic acid / sulphuric acid solutionc) Strontium chromate

8. How do you prevent aquaplaning during landing?a) Use reverse thrustb)Reduce flarec) Put flaps up

9. When an aircraft has been struck by lightninga) control surface freedom of movement need not be checked provided skinpunctures are less than 3/16 inch diameter.

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b)control surface bearings and hinges should be checked for stiffness inoperationc) control surface freedom of movement need not be checked providingthe bonding is undamaged.

10. Galvanic corrosion refers to a type ofa) plating processb)surface corrosionc) corrosion between two pieces of material

This is exam number 80. Answer

1. 2 3 4 5 6 7 8 9 10C C B C A A C A A B

1. Co-axial cable is preferred to airframe cable in which application?a) High frequency interferenceb)Low frequency interferencec) Where the diameter of cable is not important

2. Chromating used on magnesium alloys producesa) metal chromates on the electrochemicallyb)chromium surface electrochemicallyc) a chromate film surface

3. Forward release electrical connectors are removeda) pushed forwardsb)pulled backwardsc) twisted to the right

4. A metallic stiff nuta) is pre lubricated and does not need lubricatingb)cannot be torque loadedc) cannot be used in areas in excess of 250oC

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5. If during an engine overhaul, ball or roller bearings are found tohave magnetised but otherwise have no defects, theya) must be degaussed before useb)are in an acceptable service conditionc) cannot be used again

6. Damaged chromate film should be repaired by usinga) selenious acid 10% by weight in waterb)phosphoric acid 10% by weight in waterc) selenious acid 20% by weight in water

7. When receiving new parts it is the responsibility of the engineer tochecka) it was designed to acceptable standardsb)it has a green serviceable label attachedc) it is of the correct modification state and is serviceable

8. Chromating used on magnesium alloysa) uses chromates and converts the surface chemicallyb)uses chromium and converts the surface electrochemicallyc) uses chromium, which is deposited on the surface

9. PIDG crimp tools are marked bya) coloured handles and wire crimp size on toolb)coloured handles onlyc) wire crimp size on tool only

10. Repair to aluminium pipe can be done using burnishinga) if damage is no more than 5%b)if damage is no more than 10%c) if damage is surface only

This is exam number 81. Answer

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1. 2 3 4 5 6 7 8 9 10B B C C A C C A C A

1. When there is no laid down procedures for calibration, what should beused?a) CAAIPsb)British Standards for calibration of toolsc) Aircraft Maintenance Manual

2. What type of flux should generally be used?a) Activeb)Non-Activec) Passive

3. When measuring a square waveform with a multimeter, what voltage doesit display?a) Less than RMS valueb)More than RMS valuec) Equal to RMS value

4. If an ammeter reads 0 - 1mA FSD, what would you be required to do toenable it to read 10mA FSD?a) Place a 9 ohm resistor in series with the meterb)Place a 9.9 ohm resistor across the coilsc) Place a 5.8 ohm resistor as a shunt in parallel with the meter

5. What should be done if a tool is found not to be working to itscalibrated requirements?a) It should be removed from service, marked as unserviceable and sentaway for overhaulb)A mechanic should adjust it to restore it to the correct operationc) It should be placed back into stores and kept in service until thenext calibration is due

6. How do you prevent earth loops forming on screened cables?

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a) Do not earth the screenb)Earth both ends of the screenc) Earth one end of the screen

7. When carrying out a bonding test in the presence of an anodiccoating, what should you do?a) Take account of the resistance of the coatingb)Disregard the resistance of the coatingc) Penetrate the coating so a good electrical contact is made

8. When carrying out soldering to an end termination and a wire, youshould tina) both the end of the wire and the terminationb)only the end of the wirec) neither the wire or the termination as tinning is not required

9. When inspecting an aircraft after a lightning strike, you shouldobservea) entry damageb)entry and exit damagec) all signs of burning

10. To detect a fault with magnetic particle flaw detection, the testrequiresa) two passes at 90 degrees to each otherb)one pass in any directionc) two passes in any direction

This is exam number 82. Answer

1. 2 3 4 5 6 7 8 9 10A A A C A A B A C A

1. The substance used in ultrasound inspection isa) a couplant to allow sound waves to travelb)a cleaning agent to keep the components clean

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c) a developer

2. Run-out of a rod is measured usinga) DTI, surface plate and V-blocksb)micrometer and V-blocksc) vernier and V-blocks

3. Dye penetrant defects are marked usinga) crayon, unless used in a highly stresses areab)pencilc) chalk

4. How would you mark a defect on an exhaust system?a) Special zinc/copper tipped marking toolb)Pencilc) Chalk

5. Swaging of a cable end fitting is checked bya) using a go / no-go gauge on the barrelb)measuring the length of the barrel before and after swagingc) looking for cracks on the swage indicating poor swaging

6. The internal resistance of a voltmeter isa) highb)lowc) no more than 0.05 ohms

7. The internal resistance of an ammeter isa) highb)lowc) 1 ohm

8. For airworthiness purposes, aircraft structural parts are graded asa) primary, secondary and tertiary

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b)class A, B and Cc) 1, 2 and 3

9. After working with epoxy resins, how is natural oil returned to theskin?a) Refatting creamb)Epoxy removing creamc) Acetone/lanolin mixture

10. When crimping wires, the wires should bea) lightly twistedb)twistedc) straight

This is exam number 83.

Answer

1. 2 3 4 5 6 7 8 9 10C A B C B C B C A B

1. Why are copper wires used in electrical systems?a) They do not give off a magnetic fieldb)They have high permeabilityc) They have a low resistance to current

2. When crimping wires, the wire shoulda) extend 0.8 mm beyond the crimpb)be flush with the crimpc) be beneath the crimp

3. A pressure vessel of thickness 1/16" to 1/8" is being tested with dyepenetrant. The penetrant should be left fora) the same length of time as normalb)3 times longer than normalc) less than normal

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4. A capacitive fuel contents system should be tested witha) a ratiometerb)a decade boxc) a wheatstone bridge

5. This is a diagram of a

a) rheostatb)potentiometerc) variable resistor

6. Continuity of a fibre optic cable is tested with aa) multimeterb)light source and optometerc) calibrated light generator and opto-power meter

7. A flight control cable is replaced ifa) a wire is 20 % wornb)single wires are blended togetherc) the protective fluid coating is missing

8. A drill bit of 0.250" would bea) 6/32 and letter Fb)7/32 and letter Gc) 8/32 and letter E

9. Insufficient heat used in soldering will causea) a high resistance joint potentialb)the joint to oxidizec) contamination of the joint

10. On a patch repair you should usea) the same rivet spacing as the original structureb)material one gauge thicker than the original structurec) only aluminium alloy rivets

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This is exam number 84. Answer

1. 2 3 4 5 6 7 8 9 10B B C B B A C A B A

1. When testing hoses you should usea) a pressure equal to 12" head of waterb)1.5 x maximum pressure under waterc) 3 x maximum pressure under water

2. When weighing an aircraft using elastic load cells, the load cells goa) between top of jack and the aircraftb)as a single unit or combination of units under the aircraft wheelsc) between undercarriage and aircraft

3. Needle grease points are used ona) items with gland sealsb)large pivoted jointsc) small pivoted joints

4. When using transistorized test equipment, what should the output be?a) High impedanceb)Low impedancec) Not affected by impedance

5. When de-icing an aircraft with pressure de-icing fluid, the sensorson the outside of the aircraft shoulda) have their heating switched onb)be fitted with blanks or bungsc) not be blanked

6. If an unauthorized repair is carried outa) the Cof A is invalidated until an authorized repair has been doneb)the Cof A is not invalidated providing a CRS is issued

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c) the aircraft can fly with a Certificate of Fitness for Flight

7. Rigid pipes are designed with bends toa) absorb vibrationb)fit to the aircraft structurec) allow for expansion and contraction due to heat and absorbvibration

8. On a composite aircraft, large items are bondeda) by primary bonding leads attached to a cageb)by use of large copper stripsc) Don't need to be bonded because they are made of an insulatingmaterial.

9. On an ATC transponder transmitting altitude, how do you get the code?a) Convert it to binaryb)Read off the ATC-600 test setc) Read off the transponder itself

10. When fitting a shackle pin , fit witha) head uppermostb)a shakeproof washer under the headc) 0.020" float

This is exam number 85. Answer

1. 2 3 4 5 6 7 8 9 10A A A B A B C C C C

1. Fore and aft limits of the CGa) are specified by the manufacturer

b)are determined by the licensed engineer after a major check andweighingc) are determined by the pilot when calculating the loading data

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2. 1EF6B22 NMSVWhat does the B meana) Segment letterb)Circuit functionc) Cable number

3. In aircraft control cables, when a lock is fitted to the controlsurfacea) it will prevent the control surface and the control column movementb)it will not prevent the control surface movement but will lock thecontrol columnc) it will prevent the control surface movement but not the controlcolumn movement

4. A white/blue insertion-extraction tool would be used on a cable ofwhat size?a) 22b)16c) 10

5. Which of the following is a preventive process against HIRF?a) Visual inspectionsb)Periodically checking aircraft bondingc) Monitoring HIRF on the communication system

6. A C.of A. for exporta) gives authority for the aircraft to flyb)does not give authority by it self for the aircraft to flyc) is required before aircraft registration in a foriegn country

7. The box unit in a Teleflex control run which is not suitable forheavily loaded controls is calleda) Single entryb)Double entryc) Straight lead

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8. You find a pipe with a flare end fitting of 74°. What specificationhas it been manufactured to?a) S.A.E.b)A.G.S.c) A.N.

9. Neither oil nor grease should be used as a lubricant on couplings orpipelines carryinga) Nitrogenb)Kerosenec) Oxygen

10. The threads on a stud:a) are of opposite hand at each end of the plain of portionb)are continuous throughout its length and there is no plain portionc) are of the same hand at each end of the plain portion

This is exam number 86. Answer

1. 2 3 4 5 6 7 8 9 10A C C A B B C B C C

1. Ball and roller bearings are made from a combination of low carbonsteel and a percentage ofa) Nickelb)Chromiumc) Nickel chrome

2. A UNF threaded wire thread insert may be identifieda) by a red painted tangb)by a black painted tangc) by an un-painted tang

3. Which type of extinguisher can be used for electric fire?

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a) Waterb)Foamc) CO2

4. After solution treatment of aluminium alloy, the effect of immediaterefrigeration at a temperature with the range -15oC to - 20oC isa) to suspend natural ageing for a limited periodb)to increase the rate of artificial ageingc) to permanently soften the metal to retard the onset of fatigue

5. Which of the following NDT techniques cannot be used on a componentmanufactured from austenitic stainless steel?a) Penetrant dyeb)Magnetic particlec) Hot oil and chalk

6. Aluminium clad alloy sheet should not be polished with mechanicalbuffing wheelsa) as this will cause large static charges to build upb)as this may remove the aluminium coatingc) as this may remove the alloy coating

7. The angle between starts on a double start thread isa) 120 degreesb)90 degreesc) 180 degrees

8. What does 18N and contiguous circles on the head of a bolt indicate?a) 1.8" nominal length 1/2" BSFb)1.8" plain shank 1/2" UNFc) 1.8" threaded portion and plain shank 1/2" UNF

9. The colour of CO2 type fire extinguisher isa) redb)green

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c) black

10. Which type of extinguisher can be used for engine fire?a) Waterb)BCFc) CO2

This is exam number 88..Answer

1. 2 3 4 5 6 7 8 9 10B A B B A A C B B A

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This is exam number 94. Answer

1. 2 3 4 5 6 7 8 9 10C A A C A C C B A A

1. According to ATA 100, a symbol code 'X' on a wiring number denotesa) a ground circuit

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b)a warning circuitc) AC power

2. The normal tolerance allowed for a bend in a rod isa) 1:600b)1:400c) 1:100

3. The damping force in a metera) prevents oscillation of the pointerb)assists the pointer to move over the scalec) returns the pointer to zero

4. In a moving coil meter the deflecting force is provided bya) hairsprings which move the pointer towards full scaleb)a soft iron permanent magnetc) a current carrying coil pivoted in a permanent magnet field

5. The force acting on a meter which returns the pointer to zero iscalled thea) controlling forceb)turning forcec) deflecting force

6. The forces acting on a meter which moves the pointer over the scaleis calleda) the controlling forceb)the turning forcec) the deflecting force

7. The resistance of an ammeter must bea) high to create a large volts drop across itb)low because the ammeter is in parallel with the circuitc) low to prevent volts drop across it

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8. The resistance of a voltmeter must bea) low to provide a parallel path for the circuit currentb)high so that little current passes through itc) low to prevent overloading the circuit

9. On inspection a bearing is found to have distortion, what actionshould be taken?a) Reject bearingb)Blend out distortion and re-grease bearingc) No action required. Some distortion is normal

10. On inspection a bearing is found to show signs of overheating, whataction should be taken?a) Reject bearingb)clean up bearing and repack with greasec) No action required. Some overheating is normal

This is exam number 89Answer

1. 2 3 4 5 6 7 8 9 10C A A C B B B A A A

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2. The scale on an ohmmeter isa) cramped at high resistanceb)cramped at low resistancec) linear

3. What is undesirable in a good weld?

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5. Where would you find the information on the conditions for weighingthe aircraft?a) Flight Manual in conjunction with the documents associated with theCofAb)Maintenance Manualc) Technical Log

6. A JAR 66 licensed engineer, when signing a CRS for a non-JAR 145company would need to havea) maintenance experience for 4 months within the last 24 monthsb)maintenance experience for 6 months within the last 24 monthsc) an aircraft type refresher in the last 24 months

7. A National UK licensed engineer, when signing a CRS would need tohavea) maintenance experience for 4 months within the last 24 monthsb)maintenance experience for 6 months within the last 24 monthsc) an aircraft type refresher in the last 24 months

8. Silver solder is made froma) zinc, copper, silver

b)zinc, copper, tinc) zinc, copper, lead

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9. How do you check a chain for elongation?a) Lay flat on a table, apply tensile load and measureb)Hang chain up, check sight line and measurec) Adjust the end fittings

10. A windy drill produces power bya) vane type motor producing torqueb)spur gears in a miniature gearboxc) bevel gears

This is exam number 90..Answer

1. 2 3 4 5 6 7 8 9 10A A C C C B A B A B

1. A light drive clearance between bolt and hole on a drawing would bea) 0.0015”b)0.0025”c) 0.005”

2. What is a good weld?a) Build up by 1/8” in the middle of the weldb)Sides sloping to the base metalsc) An oxide coating on the base metals

3. Previous weighing record area) retained for 2 yrs onlyb)destroyed after 5 yrsc) are kept with aircraft records

4. Which is the preferred method for aluminium alloy alloy?a) Electrofluxb)Magnafluxc) Ultrasonic

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5. A composite flap panel has corrosion. What NDT method will you useto detect?a) High voltage x-rayb)Low voltage x-rayc) Coin tap test

6. Vital point inspectionsa) are lifed componentsb)are components which involve duplicate inspectionsc) are points which require special certifying LAEs

7. Bonding lead testers are attached witha) a 60 feet lead is connected to the main earth and a 6 foot test leadis connected to check the resistance between selected pointsb)a 6 feet test lead is connected to the main earth and a 60 feet leadis connected to check the resistance between selected pointsc) either of the leads can be connected anywhere

8. Chopped strand mat is a good general purpose mat becausea) it has short fibresb)it gives equal properties in all directionsc) it is a stiffer than woven cloth

9. When checking resistance of a cable to the starter motor what test iscarried out?a) Millivolt drop testb)Safety Ohmeterc) Time Domain Reflectometer

10. When checking cable tensions you are looking fora) artificial feelb)full and free movementc) free movement only

This is exam number 91. Answer

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1. 2 3 4 5 6 7 8 9 10A C A B A B A B A B

1. Three revolutions of a 40 T.P.l. micrometer will showa) 0.075 inchb)0.03 inchc) 0.003 inch

2. If the bearing strength of a metal is greater than the shear strengthof the rivet, what will occur?a) Rivet will show incorrectly installedb)Rivet will pull through the metalc) Rivet will joggle

3. The latest drawing identified bya) issue numberb)amendment numberc) date

i4. To carry out a continuity test you would usea) an HT circuit testerb)a low reading ohmmeterc) ammeter

5. On a pre flight check you notice an instrument glass is cracked. Youshoulda) check MELb)tell oncoming captainc) enter into technical log

6. Electrical cables installed on aircraft. What is used to indicate afault?

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a) Resistance testb)Continuity testc) Bonding test

7. What is the measure of a d.t.i?a) 0.020 mmb)0.040 mmc) 0.050 mm

8. In the CRS, a specific reference is made toa) AOCb)ANOc) CofA

9. Units of torque area) lbs.ft and lbs.inb)lbs/ft2 and lbs/in2c) Lbs and Kg

10. The value of the insulation resistance of an electric motor comparedto its supply leads isa) greaterb)smallerc) same

This is exam number 93. Answer

1. 2 3 4 5 6 7 8 9 10C C C B C B C B B A

1. A deep internal crack in a structural steel member is detected bya) magnetic flaw methodb)fluorescent penetrant method

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c) x-ray or ultrasonic process

2. Very light corrosion on aluminium alloy can be removed bya) rubbing with wire woolb)using Alocrom 1200c) using a solvent

3. To remove corrosion on Fe metals usea) sulphuric acid rust removerb)selenious acid rust removerc) phosphoric acid rust remover

4. The usual manufacturers anti corrosive process to be applied to Feaircraft parts isa) anodisingb)cadmium platingc) metal spraying

5. The ultrasonic method of crack detection can be used ona) surface and subsurface defects on ferrous metals onlyb)subsurface defects on all metalsc) surface and subsurface defects on all metals

6. An intervention defect is one wherea) there is a requirement for the maintenance engineer to interveneb)the defect occurred because of some previous maintenance actionc) the engineer has the discretion on whether to intervene

7. Porosity in cast materialsa) only occurs on the surfaceb)is only detectable on the surfacec) is detectable as a surface or sub surface defect

8. When using the fluorescent ink flaw detection method, the component

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should b inspected using ana) infrared lampb)ultraviolet lampc) ordinary lamp and special glasses

9. When using the dye penetrant method of crack detection should notnormally be used at temperaturesa) above 15 degrees Cb)below 0 degrees Cc) above 20 degrees C

10. When using the dye penetrant method the part should be kept wet withthe penetrant fora) up to one hourb)15 minutesc) 5 minutes

This is exam number 95..Answer

1. 2 3 4 5 6 7 8 9 10B

1. Vapour phase inhibitor should be useda) when painting an aircraftb)when reprotecting after corrosionc) when degreasing a component

2.a)b)c)

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Module 7 ExamPractice ExamModule 7Maintenance PracticesStopwatch

Start at

This is exam number 92. You've been here 1 times.

1. On a Bonding Tester the number of probes on the 60 ft and 6ft leadsrespectively area) 1 and 2b)2 and 1c) 2 and 2

2. Maximum value of resistance between all isolated parts which may besubjected to appreciable electrostatic charging and the main eartha) 0.05 ohmb)1 ohmc) 0.5 Megohm or 100 kilohm per sq.ft. of surface area whichever isless

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3. The calibration of a piece of test equipment is suspect. Your actionswould bea) calibrate/rectify immediatelyb)note and rectify laterc) remove from service and annotate accordingly

4. Removal of corrosion from aluminium clad alloya) chemically by trichloroethyleneb)mechanically by buffingc) chemically by sulphuric acid solution

5. The eddy current method of flaw detection can detecta) surface flaws onlyb)surface flaws and those just beneath the surfacec) sub surface flaws only

6. With dye penetrant how is the developer applieda) at a distance of 10 to 12 inches with several passesb)as an even layer of chalk applied over the areac) using a tank

7. How is dye penetrant affected when applying below 15 degrees C?a) not affected by temperatureb)precipitation affects efficiencyc) warm the work beforehand

8. When using the dye penetrant method crack detection ,the indicationson a short, deep crack area) single dotsb)circlesc) long chain

9. Control methods for galvanic corrosion includea) joining similar metals and using jointing compounds

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b)reducing cyclic stressing and increasing cross sectional areac) ensuring correct heat treatments and correct alloying

10. The treatment for stress corrosion isa) always the replacement of the partb)the same as for surface corrosion or surface cracks in sheet metalc) not the same as fatigue corrosion