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  • Question
  • The aluminium alloy is used in cylinder blocks because


  • Options
  • A. it is lighter and have good heat dissipation characteristics
  • B. material cost is low
  • C. it does not require any cylinder liners
  • D. the piston is also made of aluminium alloy

  • Correct Answer
  • it is lighter and have good heat dissipation characteristics 


  • Automobile Engineering problems


    Search Results


    • 1. Incorrect steering axis inclination (S.A.I.) causes

    • Options
    • A. tendency to assume toe-out orientation
    • B. generation of a braking effect at tight corners
    • C. poor recovery of the steering wheel after making a turn
    • D. the vehicle to pull to the side of lesser inclination
    • Discuss
    • 2. The operation of removing trapped air from the hydraulic braking system is known as

    • Options
    • A. trapping
    • B. tapping
    • C. bleeding
    • D. cleaning
    • Discuss
    • 3. The tilting of the front wheels away from the vertical, when viewed from the front of the car, is called

    • Options
    • A. camber
    • B. caster
    • C. toe-in
    • D. toe-out
    • Discuss
    • 4. In a unit type body (frameless body) design, the sheet metal parts are welded together, forming a frame work to which outer skin is attached.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. A zinc diffusion process is called

    • Options
    • A. galvanising
    • B. anodising
    • C. parkerising
    • D. sherardizing
    • Discuss
    • 6. The compression ratio in petrol engine is kept less than in Diesel engine because

    • Options
    • A. it makes petrol engines lighter
    • B. higher or equivalent compression ratio in petrol engines is not possible due to pre-ignition
    • C. less compression ratio gives better performance
    • D. it is just customary to have less compression ratio in petrol engines
    • Discuss
    • 7. A traction control system (TCS) in automobiles controls the

    • Options
    • A. vibrations on the steering wheel
    • B. engine power during acceleration
    • C. torque that is transmitted by the tyres to the road surface
    • D. stopping distance in case of emergency
    • Discuss
    • 8. The oil pump is driven by the

    • Options
    • A. camshaft
    • B. alternator shaft
    • C. crankshaft via drive belt
    • D. crankshaft directly
    • Discuss
    • 9. In a ventilated disc brake,

    • Options
    • A. a duct directs air towards the caliper for cooling while the vehicle is moving
    • B. caliper is covered with cooling fins
    • C. disc contains many small holes for optimum cooling performance
    • D. disc contains radial vanes between its rubbing surfaces for optimum cooling performance
    • Discuss
    • 10. In automobiles G.V.W. refers to

    • Options
    • A. gross vehicle width
    • B. gross vehicle weight
    • C. gross vehicle wheel base
    • D. gross vehicle wheel track
    • Discuss


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