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

  • A petrol engine, during suction stroke draws


  • Options
  • A. air only
  • B. petrol only
  • C. a mixture of petrol and air

  • Correct Answer
  • a mixture of petrol and air 

    • IC Engines and Nuclear Power Plants problems

    Search Results

    • 1. The correct mixture strength (by weight) for petrol is about

    • Options
    • A. 14.6:1
    • B. 18.5:1
    • C. 20.4:1
    • D. 22.6:1
      • Discuss
    • 2. Stage efficiency is also known as

    • Options
    • A. diagram efficiency
    • B. nozzle efficiency
    • C. gross efficiency
    • D. none of these
      • Discuss
    • 3. In turbines, the fluid undergoes a continuous steady flow process and the speed of flow is

    • Options
    • A. low
    • B. very low
    • C. high
    • D. very high
      • Discuss
    • 4. In a reaction turbine, when steam flows through the moving blades,

    • Options
    • A. pressure increases while velocity decreases
    • B. pressure decreases while velocity increases
    • C. pressure and velocity both decreases
    • D. pressure and velocity both increases
      • Discuss
    • 5. The effect of friction in the nozzle __________ dryness fraction of steam.

    • Options
    • A. has no effect on
    • B. decreases
    • C. increases
      • Discuss
    • 6. A moderator

    • Options
    • A. absorbs neutrons
    • B. does not absorb neutrons
    • C. accelerates neutrons
    • D. none of these
      • Discuss
    • 7. A turbo-jet does not require a turbine to drive the compressor.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. For the same maximum pressure and heat input, the exhaust temperature of petrol engine is __________ than that of diesel engine.

    • Options
    • A. less
    • B. more
      • Discuss
    • 9. A supercharged engine as compared to an ordinary engine

    • Options
    • A. requires smaller foundation
    • B. is lighter
    • C. consumes less lubricating oil
    • D. all of these
      • Discuss
    • 10. The ratio of the brake power to the indicated power is called

    • Options
    • A. mechanical efficiency
    • B. overall efficiency
    • C. indicated thermal efficiency
    • D. volumetric efficiency
      • Discuss

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