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

  • The higher combustion chamber wall temperature in compression ignition engines will __________ knocking tendency.


  • Options
  • A. increase
  • B. reduce
  • C. not effect

  • Correct Answer
  • reduce 

    • IC Engines and Nuclear Power Plants problems

    Search Results

    • 1. Which of the following does not relate to a compression ignition engine?

    • Options
    • A. Fuel pump
    • B. Fuel injector
    • C. Governor
    • D. Carburettor
      • Discuss
    • 2. 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
    • 3. The unit million electron volts (Mev) is commonly used to measure the nuclear energy.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. 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
    • 5. Light weight substances can not be effective moderators.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. The two stroke cycle engines have lighter flywheel.

    • Options
    • A. Agree
    • B. Disagree
      • Discuss
    • 7. 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
    • 8. 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
    • 9. The voltage required to produce a spark across the gap, between the sparking points is

    • Options
    • A. 2000 to 4000 volts
    • B. 4000 to 6000 volts
    • C. 6000 to 10 000 volts
    • D. 10 000 to 12 000 volts
      • Discuss
    • 10. The nuclear radiators produced in a reactor which must be sheilded are

    • Options
    • A. electrons
    • B. ?, ? and ? rays
    • C. neutron and gamma rays
    • D. none of these
      • Discuss

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