api 570 - close book mockup exam final

API 570 Authorized Piping Inspector Preparatory Program

* Close Book Mockup Examination *

1. Which of the marking on a flange is not mandatory

1. Name of the manufacturer2. rating3. Temperature4. Ring number

2. For a P11 material piping under repair, what sort of heat treatment is required?

1. Preheat it to 300°F before start the welding2. Local post weld heat treatment is required3. Follow the construction Code.4. Local post weld heat treatment with 200°F

3. For a 16mm thick 30”Ø pipe repair work what is the correct heat treatment

1. Preheat to 300°F and weld2. Follow the construction code recommendation3. Preheat to 175°F4. Preheat to 175°C

4. Who is ultimately responsible for repair, re-rating and alteration of a pipe system?

1. The inspector2. The piping engineer3. The owner/user4. The Fabricator

5. The longitudinal root bend test of a procedure qualification test piece is to be made

1. The weld should be parallel to the longitudinal axis of the bend and the root should be in the convex

2. The weld should be perpendicular to the longitudinal axis of the bend and the root should be in the convex

3. The weld should be parallel to the longitudinal axis of the bend and the root should be in the concave

4. The weld should be perpendicular to the longitudinal axis of the bend and the root should be in the concave

(API-570-Mockup-CB) 2/18

6. A radiograph taken on a weld without a written procedure

1. It is to be rejected2. It acceptable provided it meets the density and sensitivity

limitations of ASME Sec.V Article.II3. It is depends on the project spec4. A Level-III shall be consulted

7. The material used on a weld repair shall be of

1. Same as that of the original material2. API should approve the material3. It is of known weldable quality4. A piping engineer shall be consulted

8. A pipe support moved outs of its base and is hanging what is your assessment as an inspector

1. A wider support with additional restrainer2. Consult piping engineer before advise any recommendation3. Carry out a stress analysis4. Correct the support with a bigger base material

9. Socket weld is not preferred for

1. < NPS 22. < NPS 33. < NPS 2 1/24. > NPS 2

10. A wire pentameter is used on a RT. Where it is placed on the job

1. The wires should be parallel to the weld2. The wires should be perpendicular to the weld3. It may be parallel or perpendicular4. As per the written statement from a ASNT Level-III

11. A lead letter ‘B’ of ½” height and 1/16” thickness was used on a radiographic set up what is the purpose of it.

1. To monitor the penetration ability of the X-ray beam2. To check the density of the film3. To find the back scatter on the film4. To find the quality of the film


12. Which of the ‘B’ image on a radiographic film is not acceptable

1. A black image2. A white image3. A dark image4. A gray image

13. Which one below is not a contributing factor for brittle fracture?

1. Low impact strength of material 2. High thickness3. Large tensile residual stess4. Performing ‘warm’ pre stress hydrotest before low temperature

hydrotest

14. The MPI procedure should describe about which of the following?

1. The continuous magnetic method2. The maximum prod spacing of 4”3. The powder used shall be approved by API4. The technique used shall be approved by API

15. The bolt hole size of a weld neck flange 12” dia 1500#

1. 51.4 mm2. 53.84 mm3. 53.00 mm4. 54.98 mm

16. A flange material of A182 Gr.F1 of what class will be required for operating pressure of 1000 psi @ 400°F

1. 600 #2. 900#3. 300 #4. 400 #

17. What would be the maximum operating pressure of a flange A182 Gr.F2 400# at 500°F

1. 590 psi2. 570 psi3. 516 psi4. 885 psi


18. As soon as the completion of the inspection activities on a piping system what the inspector should do

1. Review the records and adjust the inspection frequency2. Review the records and find the corrosion rate3. Issue the recommendations and findings4. Consider the average corrosion rate

19. Out of long and short-term corrosion rate which one will be used for MAWP calculation

1. The corrosion rate which leads to longest remaining life2. The corrosion rate which leads to shortest remaining life3. The corrosion rate which leads to reflects the current process4. Consider the lowest corrosion rate

20. While doing welding repair on a system in service the inspector should access the system in accordance to

1. API publ.22012. API RP 5743. API RP 5784. ASME Sec. VIII Division-1

21. What is the up-stream limit of an injection point for regular inspection

1. 12” or 3 OD whichever is greater2. 10 OD of the pipe3. 6 OD of the pipe4. 3 OD of the pipe

22. What are the minimum marking shall be made of a buried piping leak temporarily clamped area

1. ID number & depth of the pipe2. Date of installation3. ID number, date of clamp installation4. Depth of pipe and Date of clamp installation

23. The soil closed potential survey is being carried out for a non-cathodically protected system is

1. Once in 5 years2. Once in 3 years3. Half of the remaining life4. Once in 6 months


24. A buried piping with sleeve is excavated for inspection,

1. Check thickness of the sleeve2. Check water or soil between sleeve and pipe3. Check the cathodic protection on the system4. Carry out closed potential survey

25. If a concrete interface of a piping system shows coating deterioration

1. Excavate the interface area and carry out through inspection2. Carry out cathodic protection inspection3. Check the records and carry out thickness4. The area shall be continuously monitored

26. Which of the valve in a piping system is not suitable for pigging

1. Gate valve2. Ball valve3. Globe valve4. Slide valve

27. While doing vessel inspection a misalignment is being observed

1. Check the foundation2. Check the connected piping system3. Check all the pipe work in the region4. Check the nozzle

28.Thermal fatigue is more pronounced when temperature swing exceeds

1. 2000F2. 2000C3. 930F4. 3000F

29. A plate material is used for which of the fitting

1. Valve2. elbows3. flanges4. Blind flanges

30. Which of the test method is not a material identification test method

1. Portable X-ray fluorescence method2. Optical emission spectrometry method3. ultrasonic testing method4. Chemical spot test method


31. Which type of the PMI is used in the field

1. X-ray fluorescence method2. Eqotip hardness tester3. Eddy current4. Chemical spot

32. What type of inspection is not normally done on a piping system

1. visual2. radiographic3. internal visual4. ultrasonic

33. Which of the material is least susceptible to mix up

1. 30” dia pipe2. bolts3. 2” dia cooling water line4. Small bore fitting

34. A 20” dia pipe has internal leakage near the flange to pipe weld. During shut down what sort of inspection will be planned for this

1. Internal visual inspection2. Boroscope inspection3. Renew the spool4. Mark the section and replace

35.. Localized loss in thickness exhibiting directional pattern can occur due to

1. atmospheric corrosion2. microbiologically induced corrosion3. erosion - corrosion4. sulphidation

36. To detect interior surface breaking planar flaws the owner/user should specify

1. Approved inspector2. Industry qualified UT inspector3. API qualified inspector4. Any examiner qualified to carry out NDT


37. Out of the patch mentioned which one is not allowed on a 12” piping repair

1. 8” dia circular patch2. 6” dia circular patch3. 6” X 6” patch with 1” round corner4. Box type patch

38. Out of the repair carried out in the piping system which one is considered to be a permanent one

1. Grind and remove the defect and build up the area2. Split clamp bolted3. Split sleeve full welded4. Any clamp approved by piping engineer

39. A carbon steel piping at what operating temperature is successitible to CUI

1. Temperature above 125°C2. Temperature between 125°C to 250°C3. Temperature between 65°C to 205°C4. Temperature below -4°C

40. What percentage of suspected insulation on a stainless steel Class-3 piping operating at 300°F should be removed for inspection

1. 0 % of the suspected insulation2. 10 % of the suspected insulation3. 25 % of the suspected insulation4. 50 % of the suspected insulation

41. Which one is considered to be a Class-3 piping system

1. Product is pumped to remote location for loading and storing2. Highly corrosive acid in the plant3. Any corrosive chemical4. System carrying naphtha without hydrogen sulfide

42. A piping system has been rerated to a lower operating temperature, to validate the rerate

1. If the lower temperature requirement as per code is met2. Carry out notch toughness to establish its usability3. API should be contacted4. Any one who is knowledgeable to be contacted


43. As soon as a hydro test is over what should be done

1. Dry the system2. Activate the relief valve system to the pre testing set up3. Add chemical to dry it4. Purge the system

44. What is the minimum hydrotest holding time

1. 10 minutes2. 3 minutes3. 30 minutes4. 1 hour

45. When a buried piping with a design pressure of 100 psi is under leak test at 125 psi. The initial 4 hrs. of testing shows a slight pressure drop and has been adjusted. The second 4 hrs recorded a drop in pressureof 5 psi, the test

1. It is not acceptable2. Check for leak along the pipe work3. The test is acceptable4. To be consulted with a inspector

46. The pressure gauge used on a sensitive leak test shall be of range….wrt test pressure

1. 2 to 2.52. 23. 1.5 to 4.04. 1.5 to 3.0

47. Which combination of electrode is preferred for welding a full encirclement sleeve at low ambient temperature

1. E XX16 & EXX182. E XX10 & EXX163. E XX10 & EXX184. E XX12 & EXX18

48. A new branch is welded over an existing piping system it should meet ……

1. Construction code requirements2. The owner requirement3. The fabricator requirement4. Contact the designer or consultant


49. A radiographic testing for the welder qualification is not allowed for which process

1. GMAW globular transformation2. GMAW short circuiting3. GMAW4. SMAW

50. What is the purpose of Welding procedure specification

1. To have a data in the hand2. To be followed by inspector3. To give welder enough confidence4. To have a known quality of weld metal produced

51. Which of the following statement is correct?

1. Soil resistivity is a measure of resistance offered by soil to drilling operation for oil exploration and it has no connection with corrosivity of soil.

2. Lower soil resistivity indicates less corrosive soil. 3. Soil resistivity has nothing to do with corrosiveness of

soil because soil corrosion depends on the amount of corrosive chemicals present in the soil.

d. Higher soil resistivity indicates less corrosive soil.

52. The __________ shall be responsible to the owner-user for determining that the requirements of API 570 for inspection, examination, and testing are met.

1. Piping Engineer2. Inspector3. Repair Organisation4. Operating Personnel


53. Which of the following are some of the mandatory requirements for re-rating a piping system?

1. Calculations must be performed by the piping engineer or the inspector.

2. Current inspection records shall be reviewed to verify that the piping system is satisfactory for the proposed service conditions and that the appropriate corrosion allowance has been provided.

3. The piping system is checked to affirm that the required pressure relieving devices are present, are set at the appropriate pressure and have the appropriate capacity at the set pressure.

4. All of the above

54. After completion of alterations a pressure test is/will:

1. Normally required2. Not required at all3. Depend on opinion of piping inspector4. Only “1” and “3” above

55. Name a part of a piping system that thickness measurements are not normally routinely taken:

1. Elbows 2. Expansion loops 3. Tees 4. Valves

56. Pressure decay method is:

1. A technique adopted for checking the leakage in above ground piping

2. A technique used for checking leakage in underground piping

3. A technique used for calibration of pressure gauges 4. A technique used for releasing the overpressure in piping

57. Which of the following are areas on piping systems which are susceptible to CUI during the range of 25°F to 250°F:

1. All the area which is below insulation2. Insulated areas below steam vents3. Insulated piping exposed to cooling tower mist4. “2” and “3” above


58. Listed below are several examples of piping system. Which is class I piping for flammable fluids?

1. Readily vaporizing on leakage2. Slowly vaporizing on leakage3. No significant vaporization 4. All of above

59. Which of the following documents referenced in API 570 addresses hot tapping?

1. API 22012. API 5743. ASME B 31 G4. None of the above

60. The preferred method for inspecting piping coating is:1. Visual inspection only2. Holiday detection3. M.P. Check4. D.P. Check

61. For which of the following, the approval from piping engineer is not mandatory:

1. Changing the damaged flange to a new flange of same rating and material

2. Alteration on piping changing a nozzle size from one not requiring reinforcement pad to the one requiring reinforcement pad

3. For both ‘1 and ‘24. For none of the above

62. Fillet welded patches (lap patches) shall be designed by:

1. An engineer expert in corrosion2. The inspector3. The piping engineer4. The repair organization


63. For a project involving piping welding at site by 10 welders, (with only one qualified welder) procedure and 9 welders were to be qualified. In this case, identify correct statement from the following:

1. 9 welders qualification must be performed before procedure qualification.

2. 9 welders qualification must be performed after procedure qualification is carried out

3. Out of Welder qualification and procedure qualification, anything can be performed before.

4. Welder qualification and procedure qualification must be performed simultaneously, without waiting for the test results.

64. Guided bend test represents:

1. Ductility of weld2. Strength of weld3. Soundness of weld4. Both soundness and ductility of weld

65. All positions of groove welds are qualified by

1. Pipe positions 1G and 5G2. Pipe positions 2G and 5G3. Pipe position 5G and 3G4. None of the above

66. According to ASME Sec. IX, a welder for SMAW can be qualified by following minimum tests:

1. 1 tensile and 2 bend tests 2. 2 bend tests3. 2 tensile tests and 1 bend tests 4. 1 tensile and 1 radiography

67. Identify incorrect statement from following

1. A welder performing procedure test is also qualified in that position.

2. Supplementary essential variables become essential variables when impact test is specified.

3. For procedure qualification, the test can be performed in any position as the position is not essential variable for procedure qualification.

4. A 3G welder qualified in SMAW process can be employed for TIG welding also in that position.

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68. Procedure Qualification Record is a document which can be revised time to time.

1. True 2. False3. Depends on company policy4. Depends on client of the company

69. Use of Radiography is made for:

1. Performance qualification only2. Procedure qualification only3. Both ‘1’ and ‘2’4. Use of radiography is not permitted by ASME Sec. IX.

70. When dial-type indicating and recording pressure gauges are used to monitor leak testing, the maximum gauge range shall not exceed which multiple of the expected test pressure?

1. 1 ½ times2. 2 ½ times3. 3 times4. 4 times

71. A radiographic technique in which radiation passed through two walls and both the walls are viewed on the same radiograph (double wall, double image – ellipse) the limitation for the outside diameter is:

1. 3-1/2”2. 2”3. 4”4. Any diameter possible

72. Following data is available to compute remaining life of a piping circuit:Minimum required thickness = 0.422 in Actual thickness measured = 0.512 inCorrosion rate = 0.018 in / year

Remaining life for this circuit will be:

1. 5.0 years 2. 4.5 years 3. 6.0 years 4. None of above


73.Common locations which are susceptible to CUI on the insulated piping are:

1. All penetrations or breaches in the insulation jacketing such as vents, drains, piping hangers

2. Termination of insulation at flanges3. All insulated bends and elbows4. ‘1’ and ‘2’ above

74. The accuracy of a piece of magnetizing equipment that is equipped with an ammeter shall be verified:

1. Each year2. Each two years3. When possible4. Every 6 months

75. The WPS and the PQR are used to determine:

1. If the welder is able to deposit sound weld metal.2. If the welder is able to operate welding equipment.3. The welder's ability to produce welds that are

radiographically free of defects.4. If a weldment has the required properties for the

intended application (strength, ductility)

76. Which of the following penetrant system is generally considered least sensitive?

1. Water-washable – visible dye.2. Solvent removable – visible dye.3. Water-washable – fluorescent dye.4. Post-emulsification – visible dye.

77. As soon as possible after completing an inspection, the Inspector should:

1. Review the inspection records and schedule the next inspection

2. Always require a hydrotest3. Sign all RT records4. Notify the Piping Engineer

78. The nondestructive examination method to be used for a particular inspection should be determined by the:

1. Availability of certified NDE examiners.2. Length of time since the last inspection.3. Age of the component to be inspected.4. Type, location, and orientation of the expected

flaws.


79. To verify satisfactory PWHT the test conducted is:

1. Radiography2. Ultrasonic3. Hardness survey4. None of above

80. In visual testing for qualifying the procedure, a defect of which minimum width shall be used:

1. 1/16”2. 1/8”3. 1/32”4. None of the above

81. Visual examiner should pass Jaeger J-1 check:

1. Annually2. Six monthly3. Once in 3 years4. None of the above

82. The pressure gauges for leak testing shall be calibrated as an ASME Sec. V requirement, at least:

1. Every six months2. Every one year3. Every three years4. None of the above

83. It is decided to carryout a surface NDT for austenitic S.S. pipe welds. Choose the best combination.

1. Penetrant testing with Halogen free chemicals2. Penetrant testing with any aqueous developer3. Magnetic particle testing with wet particles4. Magnetic particle testing with dry particles

84. In ultrasonic testing, for thickness measurement on corroded surface, use:

1. CRT read out 2. Digital read out3. Any of above4. None of above.


85. An example of service-specific corrosion is:

1. Corrosion under insulation in areas exposed to steam vents2. Unanticipated acid or caustic carryover from processes into non-

alloyed piping3. Corrosion in deadlegs4. Corrosion of underground piping at soil-to-air interface

86. When a pressure test is not necessary or practical, what shall be utilised in lieu of a pressure test?

1. PMI Testing2. Non-destructive examination3. Vacuum visual examination4. Hammer Testing

87. For which of the following can yoke technique be used?

1. Sub-surface cracks2. Surface cracks3. Both ‘1’ and ‘2’4. For none of ‘1’ and ‘2’

88. The pipe welding test position in which the pipe is horizontal and rotated so that welding takes place at or near the top is designated as?

1. 2 G2. 5 G3. 3 G4. 1 G

89. API 578 gives rules for Alloy Verification for:

1. Carbon steel piping material for old or new piping2. Alloy steel piping materials, for old or new piping3. Carbon steel materials used for old piping only4. Alloy steels used for old piping only

90. For thickness measurement of pipes NPS 1 and smaller, NDT technique employed would be:

1. Ultrasonic technique 2. Radiographic profile technique 3. Anyone is okay.4. None are okay.


91. API 578 requires at least _________ electrodes to be PMI tested from each box.

1. one2. two3. minimum 10%4. all

92. Which of the following make pipe system most susceptible to CUI?

1. Painted pipes operating at 150º F2. Insulated pipes operating at 150º F3. Projections, penetrations in “1”4. Projections, penetrations in “2”

93. Freeze damage can occur in case of which of the following fluids:1. Water only2. Oil only3. Water and aqueous solutions4. None of the above

94. For calculating MAWP of Piping Circuit which is put in service the wall thickness used in computations is:

1. Actual thickness as determined by inspection.2. Actual thickness minus the estimated corrosion loss

before the date of next inspection3. Actual thickness minus twice the estimated corrosion

loss before the date of next inspection4. None of the above

95. When checking austentic materials for cracks using PT methods only liquid penetrants:

1. with low or no nitrides should be used2. with low or no carbides should be used3. with high or medium chlorides should be used4. with low or no chlorides should be used

96. As per API 570 for bolted flanged joints, bolts and nuts are considered as acceptably engaged if the lack of complete engagement is:

1. Not more than two threads2. Not more than one thread3. Bolts and nuts are engaged at least 50% of threads in

the nuts4. Bolts shall completely extend through nuts


97. Basic construction code referred in API 570 is:

1. ASME Sec. VIII, Div. 12. ASME Sec. IX3. ASME B 31.14. ASME B 31.3

98. For a typical “injection point pipe circuit” starts upstream of injection point from a distance of

1. 3 times pipe diameter or 12 inches which ever is greater

2. 2 times pipe diameter or 12 inches which ever is greater

3. Fixed 12 inches irrespective of pipe diameter 4. 3 times pipe diameter or 12 inches whichever is

smaller

99. For MT examination by Prod technique the spacing between prods shall be between:

1. 4 inches to 12 inches2. 4 inches to 10 inches3. 3 inches to 10 inches4. 3 inches to 8 inches

100. API 570 can be applied for:

1. New and in-service carbon steel piping2. Only in service piping 3. New and in-service alloy piping4. Only for in-service alloy piping

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API 570 Authorized Piping Inspector Preparatory Program

* API 570 - Close Mockup *

MASTER

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api 570 - close book mockup exam final

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