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Home Mechanical Engineering IC Engines and Nuclear Power Plants Comments

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


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

  • Correct Answer
  • equal to 


  • IC Engines and Nuclear Power Plants problems


    Search Results


    • 1. The knocking tendency in spark ignition engines may be decreased by

    • Options
    • A. controlling the air-fuel mixture
    • B. controlling the ignition timing
    • C. controlling the exhaust temperature
    • D. reducing the compression ratio
    • Discuss
    • 2. Which of the following fuel detonates readily?

    • Options
    • A. Benzene
    • B. Iso-octane
    • C. Normal heptane
    • D. Alcohol
    • Discuss
    • 3. The reflectivity of a reflector is defined as the fraction of neutrons entering the reflector which are returned to the core.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 4. Which of the following statement is wrong?

    • Options
    • A. A four stroke cycle engine develops twice the power as that of a two stroke cycle engine.
    • B. For the same power developed, a four stroke cycle engine is lighter, less bulky and occupies less floor area.
    • C. The petrol engines are costly than diesel engines.
    • D. all of the above
    • Discuss
    • 5. A reactor capable of converting a fertile material into fissile isotopes is called regenerative reactor.

    • Options
    • A. Yes
    • B. No
    • Discuss
    • 6. The increase in intake temperature of internal combustion engines will __________ efficiency.

    • Options
    • A. have no effect on
    • B. increase
    • C. decrease
    • Discuss
    • 7. Which of the following does not relate to a spark ignition engine?

    • Options
    • A. Ignition coil
    • B. Spar kplug
    • C. Carburettor
    • D. Fuel injector
    • Discuss
    • 8. Solid fuel fabricated into various small shapes, which are assembled to form fuel elements, is in the form of

    • Options
    • A. plates
    • B. pallets
    • C. pins
    • D. all of these
    • Discuss
    • 9. A diesel engine is __________ as compared to petrol engine, both running at rated load.

    • Options
    • A. equally efficient
    • B. less efficient
    • C. more efficient
    • Discuss
    • 10. In petrol engines, the delay period is of the order of

    • Options
    • A. 0.001 second
    • B. 0.002 second
    • C. 0.003 second
    • D. 0.004 second
    • Discuss


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