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Home ‣ Mechanical Engineering ‣ IC Engines and Nuclear Power Plants Comments
  • Question

  • A two stroke cycle engine gives __________ mechanical efficiency than a four stroke cycle engine.


  • Options
  • A. higher
  • B. lower

  • Correct Answer
  • higher 

    • IC Engines and Nuclear Power Plants problems

    Search Results

    • 1. An atom bomb utilises uncontrolled nuclear fission.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 3. In a four stroke cycle diesel engine, the exhaust valve

    • Options
    • A. opens at 30° before bottom dead cnetre and closes at 10° after top dead centre
    • B. opens at 30° after bottom dead centre and closes at 10° before top dead centre
    • C. opens at bottom dead centre and closes at top dead centre
    • D. may open and close anywhere
      • Discuss
    • 4. The maximum propulsive efficiency of a turbo-jet engine is at a speed of

    • Options
    • A. 1000 km/h
    • B. 2000 km/h
    • C. 2400 km/h
    • D. 3000 km/h
      • Discuss
    • 5. Uranium has isotopes

    • Options
    • A. U234
    • B. U235
    • C. U238
    • D. all of these
      • Discuss
    • 6. Light weight substances can not be effective moderators.

    • Options
    • A. True
    • B. False
      • Discuss
    • 7. Morse test is used to determine the I.P. of a

    • Options
    • A. single cylinder petrol engine
    • B. four stroke engine
    • C. single cylinder diesel engine
    • D. multi-cylinder engine
      • Discuss
    • 8. The unit million electron volts (Mev) is commonly used to measure the nuclear energy.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The compression ratio in petrol engines is kept low as compared to diesel engines because higher compression ratio in petrol engines would lead to pre-ignition of fuel.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 10. Which of the following does not relate to a compression ignition engine?

    • Options
    • A. Fuel pump
    • B. Fuel injector
    • C. Governor
    • D. Carburettor
      • Discuss

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