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Mechanical Engineering :: IC Engine and Nuclear Power Plants

  1. If the speed of the engine is increased, the indicated power will

  2. A.
    increase
    B.
    decrease
    C.
    remain same

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  3. The petrol engines are also known as __________ engines.

  4. A.
    compression ignition
    B.
    spark ignition

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  5. The specific fuel consumption per B.P. hour for a petrol engine is about

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

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  7. The material most commonly used for sheilding is

  8. A.
    carbon
    B.
    lead
    C.
    concrete
    D.
    all of these

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  9. In order to eliminate knocking in compression ignition engines, there should be

  10. A.
    short delay period
    B.
    late auto-ignition
    C.
    low compression ratio
    D.
    high self ignition temperature of fuel

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  11. In a petrol engine, the charge is ignited with the help of a spark plug.

  12. A.
    Yes
    B.
    No

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  13. Reflector in nuclear power plants __________ neutron leakage.

  14. A.
    increases
    B.
    decreases
    C.
    have no effect on

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  15. Number of working strokes per min. for a two stroke cycle engine are __________ the speed of the engine in r.p.m.

  16. A.
    equal to
    B.
    one-half
    C.
    twice
    D.
    four-times

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  17. The injector nozzle of a compression ignition engine is required to inject fuel at a sufficiently high pressure in order to

  18. A.
    inject fuel in a chamber of high pressure at the end of compression stroke
    B.
    inject fuel at a high velocity to facilitate atomisation
    C.
    ensure that penetration is not high
    D.
    all of the above

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  19. A two stroke cycle engine occupies larger floor area than a four stroke cycle engine.

  20. A.
    Yes
    B.
    No

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