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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

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

  4. A.
    compression ignition
    B.
    spark ignition

  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

  7. The material most commonly used for sheilding is

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

  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

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

  12. A.
    Yes
    B.
    No

  13. Reflector in nuclear power plants __________ neutron leakage.

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

  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

  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

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

  20. A.
    Yes
    B.
    No