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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

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

  4. A.
    Agree
    B.
    Disagree

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

  6. A.
    high
    B.
    low

  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

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

  10. A.
    smaller
    B.
    larger

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

  12. A.
    same
    B.
    less
    C.
    more

  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)

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

  16. A.
    Agree
    B.
    Disagree

  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

  19. The ignition quality of diesel oil is expressed by

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