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1. Pick out the one which does not belong to majority of items i.e; the odd thinga. Leaf spring suspensionb. Coil spring suspensiond. Air suspensionAns : A2. Which of the following factors is not related to the effect of independent front suspensiona. Reducing the unsprung massesb. Reducing tyre weard. Elimination of gyroscopic couplesAns : D3. The main function of the suspension system is best described asa. Reducing the body movementb. Reducing the accelerations to which the body is subjectedAns : A4. Helper springs are usually useda. In heavy vehicles in suspension system to obtain a two stage spring rateb. In vehicles to improve the load capacity of suspension systemd. To stiffen the suspensionAns : A

5. Parts of the brake system include brake-shoes anda. Master brake cylinderb. Engine cylindersAns : C6. In the power steering assembly having four valves, two distribution and two reaction during neutral, or straight- ahead driving, all four valves area. Fully closedb. Partly openAns : C7. As the steering wheel is turned a worm gear on steering shaft causes the end

of the .............. to swing toward one side or the other of the cara. King pinb. Steering gearAns : C8. On the coaxial steering gear, the gear housing is lubricateda. From the hydraulic systemb. From the worm housingAns : A9. Turning the adjustment screw to make the over centre adjustment causesa. End-wise movement of the ball nutb. End-wise movement of the Pitman shaft

d. End-wise movement of steering shaftAns : A10. Air resistance to a car at 20 km/hr is R .The air resistance at 40 km/hr would bea. Rb. 2Rd. R2Ans : C

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11. Which one of the following is not apart of the chassisa. Wheelsb. Front axled. Passenger seatsAns : D12. In the linkage type of power steering system, the piston rod is attached atone end toa. A tie rodb. A connecting rodAns : B13. In the linkage type of power steering system, the swinging end of the pitmanarm actuatesa. A spool valveb. A tie rodd. An idler leverAns : B14. In the constant control power steering unit the spool valve is moved bya. A pivot leverb. A valve rotorAns : B

15. In the coaxial power steering unit, the spool valvea. Rotatesb. Moves end-wiseAns : A16. In the Saginaw rotary valve unit, rotation of the valve spool from the neutral position results in application of hydraulic oil pressure from the oil pump to one or the other and of thea. Pitman armb. Connecting rodd. Disc clutchAns : C

17. In the Saginaw in line unit, end-wise movement of the valve spool is causedby reaction between thea. Worm and ball nutb. Piston and valveAns : B18. In the Saginaw in line power steering unit, the valve spool is centered in neutral bya. Centering springsb. Oil pressured. Torsion barAns : D

19. Three types of oil pumps used in power steering system are vane, roller anda. Shoeb. SlipperAns : C20. The two basic types of power steering system area. Integral and valveb. Booster and powerAns : C

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21. In the steering gear of the linkage connecting to the wheel, steering knuckle, a gear sector, stud or toothed roller is meshed witha. A wormb. A ball bearingAns : A22. The steering gear is a device for converting the rotary motion of the steering wheel intoa. To and fro movementb. Up and down movementAns : A23. In the steering gear, a gear sector or toothed roller is meshed witha. A Wormb. A ball bearingd. Steering wheelAns : A24. The only time the steering wheel requires replacement would bea. Wheel bearing replacementb. An accidentAns : B25. As the steering wheel is turned a worm gear on the steering shaft causes the

movement of thea. King pinb. Steering gearAns : C

26. The only service that a steering linkage normally requires isa. Tie-rod adjustmentb. LubricationAns : B27. The Pitman arm in the steering gear is linked to the front wheels through the

a. Wormb. Steering wheeld. Steering shaftAns : C28. Toe-in is adjusted bya. Adding or removing shimsb. Changing the effective length of the tie rodsAns : B29. The backward tilt of the centre line of the ball joints from the vertical iscalleda. Positive caster

b. Negative casterd. Negative camberAns : A30. The point at which the centre line of the wheel and the centre line of the ball joints cross is called the point ofa. Intersectionb. DepartureAns : A

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31. The inward tilt of the centre line of the ball joints is calleda. Casterb. Camberd. Toe-outAns : C32. Wheel camber helps toa. Enable the driver to feel straight ahead positionb. Reduce the bending stress on the stub axle and king pind. Make it safer for the vehicle to take cornersAns : C33. When the top of the king pin is tilted towards the driver, the phenomenon isknown asa. Negative casterb. Positive casterd. SkiddingAns : B34. The drawing in of the front wheels in front so that the distance between thefront ends is slightly less than that between the back ends is known asa. Toe-outb. Roll-outd. Roll-in

Ans : C35. When the front wheels are not parallel to each other and moved further awayat the top, it is termed asa. Positive camberb. Negative camberd. Roll outAns : A36. When the front wheels are closer at the top it is termed asa. Toe-inb. Toe-outd. Positive camber

Ans : C37. Positive caster tends to make the front wheelsa. Toe inb. Toe outAns : A38. The inward tilt of king pin is calleda. Casterb. Camberd. Toe-outAns : C

39. Tilting of the front wheels away from the vertical is calleda. Camberb. Casterd. Toe-outAns : A40. Caster action on the front wheels of a vehicle willa. Make it easier to take cornersb. Reduce the load on the king pinsd. Enable the driver to feel straight wheel position

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Ans : D41. In front end geometry factors that are involved includea. Camberb. Casterd. Toe-outAns : A42. Toe-out on turns means that the right wheel in a right hand turn would turn-out or away from straight aheada. More than the left wheelb. Less than the left wheelAns : A43. Positive caster will tend to cause the car toa. Roll out on turnsb. Bank on turnsAns : A44. The backward tilt of the king pin from the vertical is calleda. Positive casterb. Negative casterd. Negative camberAns : A

45. When the point of intersection of the centre line of the wheel and the centre line of the king pin cross is below the road surface, then the front wheel will tend toa. Toe-outb. Toe-inAns : A46. The point at which the centre line of the wheel and the centre line of the king pin cross is calleda. Included angleb. Point of departured. Point of included angle

Ans : C47. The inward tilt of the king pin is calleda. Casterb. Camberd. Included angleAns : C48. The tilting of the front wheels away from the vertical is calleda. Camberb. Casterd. Toe-outAns : A

49. Camber angle plus king pin inclination angle is called thea. Casterb. Included angled. Toe-outAns : B50. Too much toe-in will be noticed bya. Excessive tyre wear when cornering onlyb. Steering wander

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d. Light steeringAns : C

51. The Ackermann steering layouta. Makes for safer drivingb. Enables the driver to feel ahead positiond. Reduces load on the kingpins and stub axlesAns : A52. Caster is defined as the inclination ofa. Front wheel to the verticalb. The king pin axis in the fore and aft planed. The axis of stub axle to the horizontalAns : B53. Toe out on turns

a. Is adjusted by shimsb. Is adjusted by changing the effective length of the tie rodsAns : C54. Weight can be attached to wheel rim to correcta. Wheel alignmentb. Wheel run outAns : C55. Wheels must be balanceda. On the car onlyb. Either on or off the carAns : C

56. When an automobile takes a tum to avoid the skidding and over turninga. Each wheel will roll independentlyb. Front two wheels will have a common centre during a turningAns : B

57. The distance between dual tyres of vehicles is to be correctly spaced toa. Ensure proper distribution of load between dual wheelsb. Reduce over-steering effectd. Ensure effective brakingAns : C

58. To equalize tyre wear, it is suggested that tyres be rotated from one wheel

to another everya. 80 kmsb. 8000 kmsAns : B

59. Of the four tyres on a car, the one that wears most is thea. Right front tyreb. Right rear tyred. Left rear tyreAns : B

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60. If a tube of large size than required is installed in a tyre thena. The tyre will over expandb. The tyre and tube will not fit the rimAns : C

61. For a through inspection a tyre should bea. On the carb. On the wheelc: On Airplaned. InflatedAns : D

62. The radius of a pneumatic tyre isa. The radius of unloaded fully inflated tyreb. The height of centre of tyre from the ground when it is loadedd. It is fixed radius, based on the dimensions of the tyreAns : A

63. In the hydraulic brake system, movement of a piston in the master cylinder produces hydraulic pressure which causes movement of thea. Wheel cylinder pistonsb. Brake pedalAns : A

65. Movement of the brake pedal forces brake fluid from the master brake cylinder through brake lines and into thea. Brake shoesb. Wheel cylindersd. Pedal rodAns : B

66. The working fluid normally used in hydraulic brake systems isa. High speed diesel oil along with alcoholb. SAE 20 oil with anti-corrosion additivesd. A solution of castor oil in alcohol along with neutralizerAns : D

68. In the case of brake linings saturants and bonding materials are used toa. Facilitate moulding and curing of brake liningsb. To improve the heat dissipating capacity of liningsd. To make the lining material impervious to moisture and oil and to ensure a steady coefficient of friction up to 3000 CAns : A

69. In the hydraulic brake system, the movement of a piston in the master cylinder produces hydraulic pressure which causes movement ofa. Brake shoeb. Brake pedalAns : A

70. As the load on the vehicle increase it demandsa. Increased braking torqueb. Decreased braking torqueAns : A

72. The approximate ratio of effort applied Ans : effort available from servo system isa. 1Ans : 1b. 3Ans : 1

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d. 10Ans : 1Ans : B

73. In a vacuum type servo-assisted brake system, vacuum is available in ........ is made use ofa. Exhaust manifoldb. Combustion chamberd. Inlet manifoldAns : D

74. In jeeps we usea. Mechanical brakesb. Hydraulic brakesAns : B

77. The metal used for the brake drum isa. Aluminium alloyb. Cast steeld. Cast ironAns : D

80. Power brakes in general operate making use of the pressure differential between the vacuum from the intake manifold anda. Compressed air

b. Atmospheric pressureAns : B

81. In the air brake, air pressure is supplied bya. Engine manifoldb. A compressorAns : B

84. In the integral type of power brake, the diaphragm acts directly on the hydraulic piston in thea. Master cylinderb. Wheel cylinderAns : A

86. In the hydraulic braking system, the movement of the pistons in the wheel cylinder is transmitted to the brake shoes bya. Actuating pinsb. Springsd. JointsAns : A87. The most popular drive at the drive axle for the passenger car isa. Straight bevel gearb. Spiral bevel geard. Hypoid driveAns : D

88. The function of the relay valve in a compressed air brake system is toa. Limit the maximum pressure reached in brake chambersb. Relieve air pressure in brake chambers when it reaches a maximum valued. Speed up the supply of air to brake chambers located at a distance from brake valveAns : A

89. In a vacuum suspended unit, when the brakes are on, the piston or diaphragmhas on both sides of it

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a. Atmospheric pressureb. VacuumAns : A

90. In the atmospheric suspended system the brakes are applied whena. Vacuum is applied to both sides of the diaphragmb. Atmospheric pressure is applied to both sides of the diaphragmAns : A

91. In the vacuum suspended system, the brakes are applied whena. Atmospheric pressure is applied to one side of the diaphragmb. Vacuum is applied to both sides of diaphragmAns : A

92. The type of braking system referred to as power brake, makes use ofa. Electromagnetsb. Compressed airAns : B93. The drive line consists of the propeller shaft witha. Drive and universal jointsb. Universal joints and slip jointsAns : B

94. The most widely used brakes are operateda. Electricallyb. Hydraulicallyd. By vacuumAns : B

96. In a passenger car a typical arrangement of braking with drum brakes will bea. Two leading shoes at front and leading & trailing at rearb. All the wheels having leading and trailing shoesd. Front leading and trailing, rear two leading shoesAns : B

97. On a straight road, the ring gear

a. Rotates at the same speed as wheelsb. Rotates faster than wheelsd. Does not rotateAns : A

99. More often, the condition that draws attention to trouble in the differential isa. Rough operationb. NoiseAns : B

100. In a differential with a gear ratio of 4 Ans : 1 the drive pinion would revolve four times to cause the ring gear to rotate

a. 1 timeb. 2 timesd. 6 timesAns : A

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