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Home Mechanical Engineering IC Engines and Nuclear Power Plants Comments

  • Question
  • Which of the following fuel has little tendency towards detonation?


  • Options
  • A. Benzene
  • B. Iso-octane
  • C. Normal heptane
  • D. Alcohol

  • Correct Answer
  • Iso-octane 


  • IC Engines and Nuclear Power Plants problems


    Search Results


    • 1. The overall efficiency is defined as the ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. By higher octane number of spark ignition fuel, it is meant that the fuel has

    • Options
    • A. higher heating value
    • B. higher flash point
    • C. lower volatility
    • D. longer ignition delay
    • Discuss
    • 3. The air standard efficiency of an I.C. engine depends on

    • Options
    • A. fuel used
    • B. speed of engine
    • C. compression ratio
    • D. none of these
    • Discuss
    • 4. Reflector in nuclear power plants __________ neutron leakage.

    • Options
    • A. increases
    • B. decreases
    • C. have no effect on
    • Discuss
    • 5. Alpha-methyl-naphthalene (C11 H10) has a cetane number of

    • Options
    • A. 0
    • B. 50
    • C. 100
    • D. 120
    • Discuss
    • 6. Iso-octane (C8H18) has octane number of

    • Options
    • A. 0
    • B. 50
    • C. 100
    • D. 120
    • Discuss
    • 7. If the fuel is rich in fissionable material, the reactor can be made more compact than if the percentage of fissionable atoms is small.

    • Options
    • A. Agree
    • B. Disagree
    • Discuss
    • 8. Stoichiometric ratio is

    • Options
    • A. chemically correct air-fuel ratio by weight
    • B. chemically correct air-fuel ratio by volume
    • C. actual air-fuel ratio for maximum efficiency
    • D. none of the above
    • Discuss
    • 9. A diesel engine, during suction stroke, draws

    • Options
    • A. air only
    • B. diesel only
    • C. a mixture of diesel and air
    • Discuss
    • 10. The compression ignition engines are governed by

    • Options
    • A. hit and miss governing
    • B. qualitative governing
    • C. quantitative governing
    • D. combination of (b) and (c)
    • Discuss


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