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

  • The firing order in an I.C. engine depends upon


  • Options
  • A. arrangement of the cylinders
  • B. design of crankshaft
  • C. number of cylinders
  • D. all of these

  • Correct Answer
  • all of these 

    • IC Engines and Nuclear Power Plants problems

    Search Results

    • 1. The ratio of the indicated thermal efficiency to the air standard efficiency is known as

    • Options
    • A. mechanical efficiency
    • B. overall efficiency
    • C. volumetric efficiency
    • D. relative efficiency
      • Discuss
    • 2. A petrol engine has compression ratio from

    • Options
    • A. 6 to 10
    • B. 10 to 15
    • C. 15 to 25
    • D. 25 to 40
      • Discuss
    • 3. During suction stroke of a four stroke petrol engine, the inlet valve opens and the charge is sucked into the cylinder as the piston moves upwards from the bottom dead centre.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The object of providing masked inlet valve in the air passage of compression ignition engines is to

    • Options
    • A. enhance flow rate
    • B. control air flow
    • C. induce primary swirl
    • D. induce secondary turbulence
      • Discuss
    • 5. Thermal efficiency of a two stroke cycle engine is __________ a four stroke cycle engine.

    • Options
    • A. equal to
    • B. less than
    • C. greater than
      • Discuss
    • 6. The relative efficiency of an I.C. engine is the ratio of the indicated thermal efficiency to the air standard efficiency.

    • Options
    • A. Correct
    • B. Incorrect
      • Discuss
    • 7. A diesel engine has inlet valve, fuel injection valve and exhaust valve.

    • Options
    • A. Yes
    • B. No
      • Discuss
    • 8. The air-fuel ratio of the petrol engine is controlled by

    • Options
    • A. carburettor
    • B. injector
    • C. governor
    • D. none of these
      • Discuss
    • 9. The power actually developed by the engine cylinder of an I.C. engine is known as

    • Options
    • A. theoretical power
    • B. actual power
    • C. indicated power
    • D. none of these
      • Discuss
    • 10. Gas turbine as compared to internal combustion engine

    • Options
    • A. can be driven at a very high speed
    • B. produces uniform torque
    • C. has more efficiency
    • D. all of these
      • Discuss

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