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Home Mechanical Engineering IC Engines and Nuclear Power Plants Comments

  • Question
  • 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

  • Correct Answer
  • Agree 


  • IC Engines and Nuclear Power Plants problems


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    • 1. The unit million electron volts (Mev) is commonly used to measure the nuclear energy.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. 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
    • 3. Light weight substances can not be effective moderators.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. A two stroke cycle engine gives __________ mechanical efficiency than a four stroke cycle engine.

    • Options
    • A. higher
    • B. lower
    • Discuss
    • 5. An atom bomb utilises uncontrolled nuclear fission.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. Which of the following does not relate to a compression ignition engine?

    • Options
    • A. Fuel pump
    • B. Fuel injector
    • C. Governor
    • D. Carburettor
    • Discuss
    • 7. The higher combustion chamber wall temperature in compression ignition engines will __________ knocking tendency.

    • Options
    • A. increase
    • B. reduce
    • C. not effect
    • Discuss
    • 8. The two stroke cycle engines have lighter flywheel.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 9. The scavenging efficiency of a four stroke cycle diesel engine is

    • Options
    • A. below 50%
    • B. between 50 and 85%
    • C. between 85 and 95%
    • D. between 95 and 100%
    • Discuss
    • 10. A diesel engine has compression ratio from

    • Options
    • A. 6 to 10
    • B. 10 to 15
    • C. 15 to 25
    • D. 25 to 40
    • Discuss


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