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Mechanical Engineering :: Automobile Engineering

  1. The painting of automobiles is done to

  2. A.
    prevent rust from growing on the body
    B.
    improve its external appearance
    C.
    retain the characteristics of steel for long
    D.
    all of these

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  3. The main task of a battery in automobiles is to

  4. A.
    supply electricity to the alternator
    B.
    act as a reservoir or stabilizer of electricity
    C.
    supply electricity to the vehicle's electrical system at all times while the engine is running
    D.
    supply a large amount of power to turn the starter motor when the engine is being started

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  5. The major purpose of an electronically-controlled automatic transmission is that this type of transmission

  6. A.
    eliminates gear clutches
    B.
    eliminates the gear shift lever
    C.
    reduces the number of automatic-transmission components
    D.
    reduces shift shock and achieves more efficient transmission of engine torque

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  7. The connecting rods are generally made of __________ shaped cross-section.

  8. A.
    I
    B.
    C
    C.
    L
    D.
    H

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  9. The anti-knock property of compression ignition engine fuel can be improved by adding

  10. A.
    tetraethyl lead
    B.
    trimethyl pentane
    C.
    amyl nitrate
    D.
    hexadecane

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  11. The calorific value of petrol is about

  12. A.
    36.5 - 38.5 MJ/kg
    B.
    39.4 - 42.5 MJ/kg
    C.
    42.7 - 43.5 MJ/kg
    D.
    45.5 - 47 MJ/kg

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  13. The ball joints are used on the tie-rod ends, because they

  14. A.
    reduce the amount of noise generated
    B.
    reduce the amount of sliding resistance
    C.
    can deal with movement of the suspension both vertically and in other directions
    D.
    improve the force transmission speed

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  15. The air resistance to a car at 20 kmph is R. The air resistance at 40 kmph will be

  16. A.
    R
    B.
    2 R
    C.
    4R
    D.
    4 R2

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  17. The size of engine cylinder is referred in terms of its

  18. A.
    diameter and bore
    B.
    displacement and efficiency
    C.
    bore and stroke
    D.
    bore and length

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  19. The purpose of a cylinder head gasket is to

  20. A.
    prevent the combustion gases from leaking from the joint between the cylinder block and the cylinder head
    B.
    prevent engine oil from going into combustion chamber
    C.
    removes impurities from cylinder head lubricating oil
    D.
    none of the above

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