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Mechanical Engineering :: IC Engine and Nuclear Power Plants

  1. Morse test can be conducted for

  2. A.
    petrol engines
    B.
    diesel engines
    C.
    multi-cylinder engines
    D.
    all of these

  3. The basic requirement of a good combustion chamber is

  4. A.
    minimum turbulence
    B.
    low compression ratio
    C.
    high thermal efficiency and power output
    D.
    low volumetric efficiency

  5. In a four stroke cycle petrol engine, the charge is compressed when both the valves (i.e. inlet valve and exit valve) are closed,

  6. A.
    Agree
    B.
    Disagree

  7. The thermal efficiency of diesel engines on weak mixtures is

  8. A.
    unaffected
    B.
    lower
    C.
    higher
    D.
    dependent on other factors

  9. The injection pressure in a diesel engine is about

  10. A.
    10 bar
    B.
    100 bar
    C.
    150 bar
    D.
    500 bar

  11. High speed compression engines operate on

  12. A.
    Otto cycle
    B.
    Diesel cycle
    C.
    Dual-combustion cycle
    D.
    all of these

  13. In a four stroke cycle petrol engine, the inlet valve

  14. A.
    opens at top dead centre and closes at bottom dead centre
    B.
    opens at 20° before top dead centre and closes at 40° after bottom dead centre
    C.
    opens at 20° after top dead centre and closes at 20° before bottom dead centre id) may open or close anywhere

  15. The nuclear power station at Tarapur has the reactor of the __________ type.

  16. A.
    pressurized water
    B.
    boiling water
    C.
    gas cooled
    D.
    liquid metal cooled

  17. In nuclear power plants, due to reflector, less fuel is needed to generate sufficient neutrons to sustain a chain reaction.

  18. A.
    Yes
    B.
    No

  19. The secondary fuel used in nuclear power plants is

  20. A.
    U233 and Pu239
    B.
    U235 and Th232
    C.
    U235 and Pu238
    D.
    U233 and Pu238