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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 purpose of a thermostat in an engine cooling system is to

    2. A.
    prevent the coolant from boiling
    B.
    allow the engine to warm up quickly
    C.
    indicate the coolant temperature
    D.
    pressurise the system to raise the boiling point

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  2. The basic characteristics of a brake fluid is

    3. A.
    a high boiling point
    B.
    low viscosity
    C.
    compatibility with rubber and metal parts
    D.
    all of these

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  3. The petrol engine works on

    4. A.
    Otto cycle
    B.
    Carnot cycle
    C.
    Diesel cycle
    D.
    Rankine cycle

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  4. The gradient resistance to a vehicle having a mass of 980 kg moving on an incline of 10° is

    5. A.
    1.6694 N
    B.
    16.694 N
    C.
    166.94 N
    D.
    1669.4 N

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  5. The reconditioning process used to give cylinder bore surfaces a cross-hatch pattern, is known as

    6. A.
    honing
    B.
    porous plating
    C.
    boring
    D.
    shot peening

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  6. The function of a radiator fan in the cooling system is that

    7. A.
    it blows air through the radiator when necessary
    B.
    it is turned by wind force as the vehicle moves forward, and its rotation drives the water pump
    C.
    it cools the engine by blowing air onto the cylinder block
    D.
    it draws heat out of the engine compartment

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  7. The main function of an exhaust muffler is the

    8. A.
    optimisation of exhaust efficiency
    B.
    reduction of exhaust noise
    C.
    reduction of nitrogen oxide in the exhaust gases
    D.
    reduction of the exhaust gas volume

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  8. The characteristic that is enhanced by the honing of cylinder sleeves inner surface is

    9. A.
    cooling efficiency
    B.
    resistance to wear
    C.
    lubrication performance
    D.
    none of these

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  9. Instead of valves, the ports are used in case of

    10. A.
    four stroke I.C. engines
    B.
    two-stroke I.C. engines
    C.
    V-6 engines
    D.
    none of these

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  10. The starting system includes

    11. A.
    a battery, a starter, and an ignition switch
    B.
    a battery, a distributor, and an ignition switch
    C.
    a battery, a starter, and a distributor
    D.
    a distributor, a starter, and an ignition switch

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