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Mechanical Engineering :: Automobile Engineering

Automobile Engineering - Section 1
Automobile Engineering - Section 2
Automobile Engineering - Section 3
Automobile Engineering - Section 4
Automobile Engineering - Section 5
Automobile Engineering - Section 6
Automobile Engineering - section-7

  1. The torque converter uses __________ to transfer torque.

    2. A.
    air
    B.
    automatic transmission fluid (ATF)
    C.
    gears
    D.
    steel belt

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  2. In a Diesel engine, the function of a fuel injector is to

    3. A.
    mix the fuel and air
    B.
    ignite the air-fuel mixture
    C.
    provide flame front for ignition
    D.
    spray atomized fuel in the cylinder

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  3. The firing order for an opposed four cylinder l.C. engine is

    4. A.
    1-2-3-4
    B.
    1-3-4-2
    C.
    1-4-3-2
    D.
    1-3-24

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  4. The function of positive crankcase ventilation (PCV) system is that it

    5. A.
    mixes fuel with air
    B.
    promotes combustion by creating a swirling movement in the air-fuel mixture
    C.
    returns blow-by gases from the crankcase to the intake system
    D.
    feeds blow-by gases to the exhaust manifold

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  5. The two kinds of piston rings are

    6. A.
    compression and oil-control rings
    B.
    compression and sliding seal rings
    C.
    oil scrapper and oil-control rings
    D.
    pressure and sealing rings

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  6. The maximum torque multiplication ratio in a torque converter is about

    7. A.
    2.5
    B.
    10
    C.
    25
    D.
    40

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  7. The sequence in which the force is transmitted through a brake system when the brake pedal is depressed is

    8. A.
    brake pedal - master cylinder - brake lines - vacuum servo mechanism - brake pads
    B.
    brake pedal - vacuum servo mechanism - master cylinder - brake lines - brake pads
    C.
    brake pedal - master cylinder - vacuum servo mechanism - brake lines - brake pads
    D.
    brake pedal - brake lines - vacuum servo mechanism - master cylinder - brake pads

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  8. The composition of the electrolyte in a fully charged battery is that

    9. A.
    the electrolyte is pure distilled water
    B.
    the electrolyte is pure sulphuric acid
    C.
    the electrolyte is a mixture of 64% distilled water and 36% sulphuric acid by weight
    D.
    the electrolyte is a mixture of 90% distilled water and 10% sulphuric acid by weight

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  9. The basic purpose of a four wheel drive (4WD) system is that it

    10. A.
    delivers improved cornering on dry road surfaces
    B.
    eliminates the need of snow tyres, tyre chains, etc.
    C.
    ensures effective transmission of engine torque to all four wheels, even on slippery road surfaces
    D.
    ensures that effective braking can be performed, even on slippery surfaces

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  10. The heat transfer from coolant to air in the radiator of an automobile engine takes place by

    11. A.
    radiation only
    B.
    convention only
    C.
    convection and radiation
    D.
    conduction, convection and radiation

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