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Mechanical Engineering :: Production Engineering

  1. Damper in an automobile is used to

  2. A.
    absorb the energy
    B.
    dissipate the energy
    C.
    release the energy
    D.
    increase the energy

  3. The combustion process in a Diesel engine is a

  4. A.
    constant volume process
    B.
    constant pressure process
    C.
    constant temperature process
    D.
    adiabatic process

  5. The damper fluid leakage typically occur from

  6. A.
    upper damper mounting
    B.
    bottom of damper
    C.
    clearance between inner and outer tubes of damper
    D.
    coil spring mounting

  7. The compression ratio of a petrol engine is nearly

  8. A.
    4:1
    B.
    8:1
    C.
    15:1
    D.
    20:1

  9. The rigid suspension is beneficial when

  10. A.
    it is desired to reduce the unsprung mass
    B.
    it is desired to have more flexibility in design
    C.
    it is desired to improve tyre-to-ground contact characteristics
    D.
    large changes in load make it necessary to have a large suspension stroke

  11. The tyre rotation is generally done at

  12. A.
    1000 km
    B.
    4000 km
    C.
    6000 km
    D.
    10000 km

  13. The function of a proportioning control valve (PCV) in a brake system is to

  14. A.
    ensure that equal pressure is supplied to the front and rear brakes throughout every braking operation
    B.
    reduce the brake fluid pressure when the brakes approach their lockup point
    C.
    cause less brake fluid pressure to act on the front brakes than on the rear brakes when the fluid pressure exceeds a predetermined level
    D.
    cause less brake fluid pressure to act on the rear brakes than on the front brakes when the fluid pressure exceeds a predetermined level.

  15. An under-inflated tyre will wear the tread most

  16. A.
    near the centre
    B.
    near the edges
    C.
    in the lateral direction
    D.
    in the cross direction

  17. The auto ignition in a spark ignition engine means

  18. A.
    automatic ignition of the charge at the end of compression
    B.
    ignition induced by the passage of a spark
    C.
    ignition of the charge before the passage of flame front
    D.
    ignition induced to supplement the process of normal combustion

  19. Two general types of tyres are

  20. A.
    tube type and tubeless
    B.
    solid and tubeless
    C.
    air and pneumatic
    D.
    split-rim and drop centre