RRB ALP CBT 2 Mechanic Motor Vehicle Question Paper (MMV Exam MCQ)

RRB ALP CBT 2 Mechanic Motor Vehicle Question Paper. MMV MCQ PDF Free Download for Railway Assistant Loco Pilot Exam.

2. RRB ALP CBT 2 Mechanic Motor Vehicle
Question Paper MCQ (Assistant Loco Pilot)
Contents
RRB ALP CBT 2 MMV 23/01/2019 Shift – 1 ....................................................................................................................... 2
RRB ALP CBT 2 MMV 23/1/2019 Shift – 3 ....................................................................................................................... 13

RRB ALP CBT 2 MMV 23/01/2019 Shift – 1
1. What is the function of a sensor in the MPFI system?
a) It senses the information in the form of physical and chemical variables
b) IT does the mechanical work
c) IT controls the pressure
d) IT operate the injector
Ans. A

2. Which of the following conductors is used in bulbs?
a) Carbon
b) copper
c) Tungsten
d) Nichrome
Ans. C

3. In an overhead valve system, the cylinder head supports the _____
a) crankshaft
b) oil pan
c) oil pump
d) rocker shaft assembly
Ans. D

4. Distributor type FIP is also called :
a) low – pressure pump b) rotary pump c) servo pump d) in line pump
Ans. B

5. The two commonly used semiconductor materials are:
a) Arsenic and boron b) aluminum and antimony
c) gallium and indium d) germanium and silicon
Ans. D

6. The function of an alternator in vehicles is to:
a) discharge the battery b) measure the voltage
c) measure the current d) charge the battery
Ans. D

3. 7. The centre part of a typical universal joint is called the ____.
a) joint
b) Bearing
c) Spider
d) Trunnion
Ans. C

8. The track rod is connected to the track arm by a _____
a) ball joint
b) stub axle
c) king in
d) universal joint
Ans. A

9. Headlights are also used as:
a) side indicators
b) signalling devices
c) stop indicators
d) heating devices
Ans. B

10. Theoretically, ignition in an engine should occur at:
a) BDC at the start of the power stroke
b) TDC at the end of the compression stroke
c) TDC at the start of the compression stroke
d) BDC at the end of the induction
Ans. B

11. The chisel will dig into the material when:
a) the rake angle is more
b) the angle of inclination is more
c) the angle of inclination is too low
d) the clearance angle is too low
Ans. B

12. The taper shank drills are held on machines by means of:
a) chucks
b) Vices
c) Drifts
d) Sleeves
Ans. D

13. The sensor which measure the outside air entering the engine:
a) Mass air flow sensor
b) Throttle position sensor
c) Manifold absolute pressure sensor
d) Oxygen sensor
Ans. A

4. 14. Supercharging in marine engines is done to:
a) decreae the engine power output
b) decrease the fuel pressure
c) increase the fuel pressure
d) increaes the engine power output
Ans. D

15. Which of the following is a common reason for using aluminum sheets?
a) Lightness
b) Dullness
c) Brightness
d) Darkness
Ans. A

16. Halon estinguishers are filled with:
a) Kerosene
b) liquefied petrolium gas
c) carbon tetrachloride
d) water
Ans. C

17. Which type of rims are used generally in light vehicles?
a) Split type
b) wire spoke
c) press type
d) artillary
Ans. C

18. Which part of the piston is subjected to high pressure and temperature?
a) Skirt
b) Crown
c) Ring section
d) Lead
Ans. B

19. Which of the following is not a heat treated process?
a) Normalising
b) Tempering
c) Machining
d) Annealing
Ans. C

20. Which fire extinguisher is suitable for live electrical fire?
a) CO2
b) Liquified chemical
c) Water filled
d) halon
Ans. A

5. 21. What does NDT stand for?
a) Non – Destructive test
b) Non – Dial test
c) Non – Driving test
d) Non – dry test
Ans. A

22. The most common base material for ICs is:
a) germanium
b) silicon
c) gallium
d) carbon
Ans. B

23. A ______is mounted on the rear end of a crankshaft.
a) flywheel
b) timing sprocket
c) vibration damper
d) counter weight
Ans. A

24. Connecting rods are made of:
a) aluminum
b) mild steel
c) alloy steel
d) cast iron
Ans. C

25. What controls the fuel metering and delivering in the MPFI system?
a) Relay
b) Fuse
c) Fusible link
d) Electronic control module
Ans. D

26. Which type of lifting equipments is used in servicing of vehicles?
a) Hydrauic jack
b) Hydraulic press
c) Hydraulic hoist
d) Arbor press
Ans. C

27 . Rotary motion of the steering wheel is converted into a reciprocating motion by the ______
a) track rod
b) steering gear box
c) stub axle
d) track arm
Ans. B

6. 28. Pneumatic study deals with the study of systems operated with:
a) water
b) solid
c) air
d) oil
Ans. C

29. Which type of fuel injection pump has a plunger and barrel assembly for each cylinder of the engine?
a) Distributor pump
b) Inline pump
c) CRDI pump
d) Feed pump
Ans. B

30. Gear box and differential together are enclosed in a box, which is called the ____
a) Multi axle
b) transaxle
c) Gear box
d) Transfer case
Ans. B

31. The cylinder head is a single casting bolted on the top of the _____.
a) Camshaft
b) Crankshaft
c) oil sump
d) cylinder block
Ans. D

32. The taper shank drill should be mounted on the machine spindle by means of a _____
a) Drift
b) Tang of file
c) Hammer
d) Punch
Ans. A

33. The choke in the carburettor is generally used when the engine is:
a) running at high speed
b) to be suddenly accelerated
c) to be cold started
d) Idling
Ans. C

34. In a distributor less ignition system the distributor is replaced by:
a) Brushes
b) Insulated coils
c) Ignition switch
d) Rotor
Ans. B

7. 35. The part that must be fitted in a piston to ensure a good seal with the cylinder wall is called:
a) piston rings
b) piston pins
c) connecting rods
d) Gaskets
Ans. A

36. Ammeter is connected to circuits in:
a) series or parallel
b) Open
c) Parallel
d) Series
Ans. D

37. In rear axle, what is used between the axle retainer plate and the housing to limit axle and play?
a) Spring washers
b) Shims
c) Thrust washers
d) Spring
Ans. B

38. In distributor-less ignition systems, ignition can be adjusted manually by:
a) It cannot be adjusted manually
b) adjusting screws
c) centrifugal weights
d) vacuum
Ans. A

39. Which component acts as the drive device in the automobile air conditioning system?
a) Condenser
b) Receiver
c) Compressor
d) Evaporator
Ans. C

40. Which of the following is required between the ring gear and the pinion gear to allow for heat expansion and
lubrication?
a) Shims
b) Hole
c) Pits
d) Backlash
Ans. D

41. A bent snip is used for:
a) bending a sheet b) making holes on a sheet
c) removing the burre d) cutting a sheet along a curved line
Ans. D

8. 42. In a multi cylinder engine, which of the following arrangements is considered to be the simplest?
a) V – engines
b) Cylinders in line
c) Horizontally opposed type
d) Radial
Ans. B

43. Which of the following does not require a coolant during reaming?
a) Aluminum
b) Copper
c) Cast iron
d) Steel
Ans. C

44. An alternator is generally fitted at ____ of the engine.
a) rear side
b) front side
c) centre
d) bottom side
Ans. B

45. Which of the following (gears) converts rotary motino into linear motion?
a) Rack and pinion
b) Herring bone gear
c) Worn gear
d) helical gear
Ans. A

46. A 12 V lead acid battery consists of:
a) six cells in parallel
b) three cells in series
c) three cells in parallel
d) sex cells in series
Ans. D

47. In the differential, the crown wheel is attached to the _____
a) bevel pinion
b) propeller shaft
c) bevel gear
d) differential cage
Ans. D

48. Stoichiometric ratio is associated with:
a) compression pressure
b) mechanical efficiency
c) air to fuel ratio
d) volumetric efficiency
Ans. C

9. 49. Which of the following type of steering gear box is most widely used in passenger cars?
a) Recirculating ball type
b) worm and nut
c) Rack and pinion
d) Worm and wheel
Ans. C

50. What is determind whle measuring a component?
a) normal size
b) actual size
c) scale size
d) specified size
Ans. B

51. Which of the following is used to check the gap between contact breaker points?
a) Micrometer gauge
b) wire gauge
c) vernier gauge
d) feeler gauge
Ans. D

52. Which of the following is not a part of the MPFI sysetm?
a) Throttle position sensor
b) Electronic fuel injector
c) Carburettor
d) Electrical fuel pump
Ans. C

53. The fuel injection timing in a distributor type injection system is controlled by:
a) changing the number of cams on the ring
b) rotating the cam ring
c) changing the plunger stroke
d) changing the speed of the rotor
Ans. B

54. Spark plug of automobile consist of two electrodes one is ground electrode and the other is:
a) Dielectric electrode
b) Zero electrode
c) Central electrode
d) Right electrode
Ans. B

55. In an automatic transmission system, on gear shifting, lever R indicates:
a) Reverse
b) Parking
c) Forward
d) Drive
Ans. A

10. 56. Piston pin connects piston and _____.
a) connecting rod
b) valve
c) crankshaft
d) camshaft
Ans. A

57. Taps are re-sharpened by grinding :
a) diameter
b) trheads
c) flutes
d) relief
Ans. C

58. Which of the following is used to measure the ovality of a cylinder bore?
a) Pressure gauge
b) Height gauge
c) Dial bore gauge
d) Vacuum gauge
Ans. C

59. CRDI stands for:
Ans. Common Rail Direct Injection

60. In diesel engines, fuel and air are mixed in the ______.
a) inlet port
b) combustion chamber
c) carburettor
d) injector
Ans. B

61. What is the function of hydraulic umps in hydraulic systems?
a) To permit the pressure in the reervoir to force fluid into the pump
b) To develop perssure on the surface of oil
c) To deliver fluid into the hydraulic system
d) To produce flow only and not pressure
Ans. C

62. Which of the following is a temporary joint?
a) Welder joint b) Soldered joint c) Press fit joint d) Riveted joint
Ans. C

63. A radiator core should be cleaned _____
a) from top to bottom of the core
b) from top hose to bottom hose
c) from the outside to the side of the fan
d) by reverse flushing
Ans. D

11. 64. Which of the following is the function of a flywheel?
a) It drives the camshaft
b) It controls the crankshaft end play
c) It supports the timing gear
d) It serves as a mounting and frictional surface for clutch assembly
Ans. D

65. Velocity of a fluid offers resistance to:
a) flow
b) sound
c) light
d) current
Ans. A

66. The opening and closing of the valve in relation to the piston movment is called:
a) valve mechanism
b) valve timing
c) valve operation
d) valve ovarlap
Ans. B

67. A tubocharger is mounted on the ______
a) inlet manifold
b) front of the engine block
c) flywheel side
d) exhaust manifold
Ans. D

68. Maximum oil pressure in the lubrication system is controlled by the _____
a) pressure relief valve
b) pressure switch
c) oil fiter
d) pump rotor
Ans. A

69. The exhaust manifold in small diesel engines is made of:
a) Aluminum
b) copper
c) cast iron
d) brass
Ans. C

70. A die is:
a) an external thread cutting tool
b) an acme thread cutting tool
c) an intenal thread cutting tool
d) a square thread cutting tool
Ans. A

12. 71. The purpose of holding the hammer handle at its end is to:
a) avoid injury to hand
b) have maximum leverage
c) avoid damage to workpiece
d) get a proper grip
Ans. B

72. The colour of negative plat4es of lead acid battery is:
a) Black
b) White
c) Brown
d) Grey
Ans. D

73. Which tool is used to remove and refit valves in a cylinder head?
a) Valve bend remover
b) Valve spring aligner
c) Valve spring remover
d) Spring tension tester
Ans. C

74. What is the purpose of a fog light?
a) To produce yellow light rays during mist/fog
b) to read the working of gauges
c) To produce interior illumination
d) To indicate the vehcle is being parked
Ans. A

13. RRB ALP CBT 2 MMV 23/1/2019 Shift – 3
1. In an engine, which shaft controls a piston’s movement?
a) Propeller shaft
b) Axle
c) Crankshaft
d) Crankshaft
Ans. C

2. Which of the following is not an air conditioning component of an automobile?
a) Generator
b) Compressor
c) Evaporator
d) Condenser
Ans. A

3. Which of the following is not a function of a damper?
a) It avoids the oscillation (repeated expansion or compression of the spring)
b) It controls the quick compression of the spring after hitting a bump or pothole
c) It controls the catalytic convertor’s performance as per the frequency of vibration
d) It controls the quick expansion of the spring after hitting a bump of a pothole
Ans. C

4. Which of the following devices is used for checking the level of engine’s lubricating oil?
a) Dipstick
b) Autocollimator
c) Hydrometer
d) Multimeter
Ans. A

5. What is the function of a float in a carburetor?
a) It controls the level of petrol in the float chamber
b) It controls the flow of fuel
c) It controls the flow of air
d) it controls the flow of fuel and air mixture
Ans. A

6. Drum brakes are adjusted to _____
a) reduce loss of fluid
b) reduce the evaporation of the brake fluid
c) tighten the wheel bearings
d) compensate for liner wear
Ans. D

7. Generally, which cable colour code is used for earthing a fuel tank?
a) white b) Green
c) Black d) Brown
Ans. C

14. 8. How many injectors are required for a six-cylinder MPFI engine?
Ans. 6

9. Which of the following does not belong to the fuel supply system of a diesel engine?
a) Compensating jet
b) Injector
c) Fuel pump
d) Spray nozzle
Ans. A

10. Identify the drive pinion which engages with a gear ring of the flywheel to start the engine in case of a starter
motor.
a) Crankshaft
b) Alternator
c) Camshaft
d) Bendix derive
Ans. D

11. The ignition coil of an ignition system acts as a _____
a) Step up transformer
b) Rectifier
c) DC to AC converter
d) Switch
Ans. A

12. In a final drive gearing system, which of the following type of gear is not used?
a) Spur
b) Spring bevel
c) Straight bevel
d) Hypoid
Ans. A

13. Generally, most of the cars have which of the following engines?
a) Two-stroke cycle engine
b) Free piston engine
c) Rotary Wankel engine
d) Four – stroke cycle engine
Ans. D

14. A wiper circuit of an automobile consists of a/an _____
a) operational amplifier b) stable multivibrator IC 555
c) Astable multivibrator IC 555 d) Microcontroller
Ans. C

15. The function of a master cylinder in an ABS braking system is:
a) to increase pressure of braking b) to reduce pressure of braking
c) to allow pressure for the brakes d) to stop the vehicle
Ans. A

15. 16. Why are glow plugs used in CI engines?
a) To cool an overheated engine
b) To provide light inside the cylinder for carrying out maintenance activities
c) To control the quantity of the fuel being sprayed
c) To assist in engine starting
Ans. D

17. Which of the following is/are an engine emission mainly from a CI engine and NOT from an SI engine?
a) Carbon monoxide
b) Nitrogen oxide
c) Particulates and soot
d) Hydrocarbons
Ans. C

18. A fully charged battery will show the open circuit voltage of the order ____
a) 12.0 V
b 12.2 V
c) 12.4 V
d) 12.6 V
Ans. D

19. In between which of the following a Hook’s joint is located?
a) Differential gear and wheels
b) Gear box and propeller shaft
c) Clutch and gearbox
d) Flywheel and clutch
Ans. B

20. A torque converter transfer rotating power of the engine into _____
a) transmission
b) brakes power
c) flywheel power
d) camshaft power
Ans. A

21. Which type of light bulb is used in automobiles?
a) Incandescent light
b) Fluorescent light
c) Neon light
d) Halogen lights
Ans. D

22. The inward or outward tilt of a wheel from the vertical is termed as _____
a) slip angle
b) steering axis inclination
c) castor
d) camber
Ans. D

16. 23. An inductive proximity sensor is used to detect _____
a) wooden object
b) metal objects
c) sand objects
d) plastic objects
Ans. B

24. An Anti-braking system prevents the wheels from _____
a) heat loss
b) power loss
c) speed – up
d) locking up
Ans. D

25. Generally, which type of axle is used in heavy vehicles?
a) Non-floating
b) three quarter floating
c) Fully floating
d) Semi-floating
Ans. C

26. Which of the following statements is false in the context of a torque convertor?
a) Maximum torque multiplication occurs at low speed
b) The stator unit redirects the flow of oil to the impeller
c) The blades have a curved shape
d) the impeller unit drives the oil
Ans. A

27. Which of the following is the most likely cause of a car not getting started?
a) Dead battery
b) Faulty fuse
c) Defective starter
d) Faulty ignition switch
Ans. A

28. How the horn and its switch are connected?
a) It parallel with the battery
b) In series with the dynamo
c) In parallel with the dynamo
d) In series with the battery
Ans. A

29. In an engine, minimum _____ valves are required per cylinder.
a) 3
b) 2
c) 5
d) 4
Ans. B

17. 30. What is the function of a shackle in a leaf spring arrangement?
a) It provides good traction
b) It allows the spring length to change
c) It allows pivoting of the spring end
d) It prevents the squeaking sound
Ans. B

31. A spark plug of an automobile consists of two electrodes. One is ground electrode and the other is _____
a) central electrode
b) dielectric electrode
c) zero electrode
d) right electrode
Ans. A

32. Combines angle is given by ____
a) camber + king pin inclination
b) camber + slip angle
c) camber + castor
d) castor + steering axis inclination
Ans. A

33. A two piece propeller shaft ____
a) requires center support bearing
b) cannot transmit power at an angle
c) is made from solid rod
d) does not need any slip joint
Ans. A

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RRB ALP CBT 2 MMV 23/01/2019 Shift - 1
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