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Home Mechanical Engineering IC Engines and Nuclear Power Plants Comments

  • Question
  • The probability of knocking in diesel engines is increased by


  • Options
  • A. high self ignition temperature
  • B. low volatility
  • C. higher viscosity
  • D. all of these

  • Correct Answer
  • all of these 


  • IC Engines and Nuclear Power Plants problems


    Search Results


    • 1. Which of the following statement is correct regarding normal cetaine?

    • Options
    • A. It is a standard fuel used for knock rating of diesel engines.
    • B. Its chemical name is normal-hexadecane.
    • C. It has long carbon chain structure.
    • D. all ofthe above
    • Discuss
    • 2. The first nuclear power plant in India was located at

    • Options
    • A. Kota
    • B. Tarapur
    • C. Bareilly
    • D. none of these
    • Discuss
    • 3. The method of determination of indicated power of a multi cylinder spark ignition engine is by the use of

    • Options
    • A. Morse test
    • B. prony brake test
    • C. motoring test
    • D. heat balance test
    • Discuss
    • 4. The sensing element in the control system of nuclear reactors measure the __________ of the neutron flux in the reactor.

    • Options
    • A. temperature
    • B. volume
    • C. density
    • D. none of these
    • Discuss
    • 5. The brake power is always greater than indicated power.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 6. Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has

    • Options
    • A. high neutron absorption cross-section
    • B. low moderating efficiency
    • C. high neutron scatter cross-section
    • D. low neutron absorption cross-section
    • Discuss
    • 7. In an internal combustion engine, the process of removing the burnt gases from the combustion chamber of the engine cylinder is known as

    • Options
    • A. scavenging
    • B. detonation
    • C. supercharging
    • D. polymerisation
    • Discuss
    • 8. A supercharger receives air from the atmosphere surrounding the engine, compresses it to a higher pressure and then feeds it into the inlet valve of the engine.

    • Options
    • A. Correct
    • B. Incorrect
    • Discuss
    • 9. The specific fuel consumption per B.P. hour for a diesel engine is about

    • Options
    • A. 0.2 kg
    • B. 0.25 kg
    • C. 0.3 kg
    • D. 0.35 kg
    • Discuss
    • 10. A fuel of an octane number rating of 75 matches in knocking intensity as a mixture of

    • Options
    • A. 75% iso-octane and 25% normal heptane
    • B. 75% normal heptane and 25% iso-octane
    • C. 75% petrol and 25% diesel
    • D. 75% diesel and 25% petrol
    • Discuss


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