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Mechanical Engineering :: Automobile Engineering

  1. The starter motor is driven by

  2. A.
    chain drive
    B.
    gear drive
    C.
    flat belt drive
    D.
    V-belt drive

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  3. The correct flow of power through the drive train is

  4. A.
    engine - driveshafts - clutch - mainshaft - countershaft - final driven gear - wheels
    B.
    engine - clutch - mainshaft - countershaft - final driven gear - driveshafts - wheels
    C.
    engine - clutch - countershaft - mainshaft - final driven gear - driveshafts - wheels
    D.
    engine - mainshaft - countershaft - clutch - final driven gear - driveshafts - wheels

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  5. The octane number of compressed natural gas (CNG) is

  6. A.
    90
    B.
    100
    C.
    110
    D.
    120

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  7. The compression ratio for Diesel engines usually lies in the range of

  8. A.
    6-10
    B.
    10-15
    C.
    15-25
    D.
    25-40

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  9. In a petrol engine, the high voltage for spark plug is in the order of

  10. A.
    1000 volts
    B.
    2000 volts
    C.
    11 kilovolts
    D.
    22 kilovolts

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  11. The piston compression rings are made of

  12. A.
    cast iron
    B.
    steel
    C.
    aluminium
    D.
    bronze

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  13. The aspect ratio (expressed in percentage) of the tyre is defined as the ratio of

  14. A.
    section width to section height
    B.
    section height to section width
    C.
    wheel diameter to section height
    D.
    wheel diameter to section width

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  15. Two advantages of using helical gears rather than spur gears in a transmission system are

  16. A.
    strength and cost
    B.
    strength and less end thrust
    C.
    noise level and strength
    D.
    noise level and economy

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  17. In order to implement gear changes in the gear unit of an automatic transmission, a __________ is used.

  18. A.
    synchronizer
    B.
    planetary gear
    C.
    magnetic clutch
    D.
    hydraulic multi plate clutch

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  19. When the brake pedal free play is less than the specified value, then the

  20. A.
    brake drags
    B.
    brake fades
    C.
    vapour locking occurs in the brake lines
    D.
    antilock braking system malfunctions

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