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Mechanical Engineering :: IC Engine and Nuclear Power Plants

  1. A supercharger receives air from the atmosphere surrounding the engine, compresses it to a higher pressure and then feeds it into the inlet valve of the engine.

  2. A.
    Correct
    B.
    Incorrect

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  3. The brake power is always greater than indicated power.

  4. A.
    Agree
    B.
    Disagree

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  5. An ignition coil in the spark ignition engines supplies __________ voltage to the spark plug.

  6. A.
    high
    B.
    low

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  7. The operation of forcing additional air under pressure into the engine cylinder is known as

  8. A.
    supercharging
    B.
    carburation
    C.
    turbulence
    D.
    delay period

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  9. The cylinder of a gas engine is made __________ than that of the petrol engine.

  10. A.
    smaller
    B.
    larger

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  11. The thermal efficiency of a petrol engine is __________ as compared to diesel engine.

  12. A.
    same
    B.
    less
    C.
    more

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  13. The compression ignition engines are governed by

  14. A.
    hit and miss governing
    B.
    qualitative governing
    C.
    quantitative governing
    D.
    combination of (b) and (c)

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  15. The delay period in oil engines increases with increase in the speed of engine.

  16. A.
    Agree
    B.
    Disagree

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  17. The specific fuel consumption per B.P. hour for a diesel engine is about

  18. A.
    0.2 kg
    B.
    0.25 kg
    C.
    0.3 kg
    D.
    0.35 kg

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  19. The ignition quality of diesel oil is expressed by

  20. A.
    cetane number
    B.
    octane number
    C.
    calorific value
    D.
    none of these

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