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Mechanical Engineering :: Steam Boilers and Engines

  1. The actual power generated in the engine cylinder is called

  2. A.

    indicated power

    B.

    brake power

    C.

    frictional power

    D.

    none of these


  3. Which of the following is correct ? (where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor)

  4. A.

    pa = pm/K

    B.

    pa = pm x K

    C.

    pa = K/pm

    D.

    pa = pm + K


  5. The working pressure range for a La-Mont boiler is

  6. A.

    0.5 to 10 MN/m2

    B.

    1 to 15 MN/m2

    C.

    2.5 to 15 MN/m2

    D.

    3.5 to 20 MN/m2


  7. The draught in locomotive boilers is produced by a

  8. A.

    chimney

    B.

    centrifugal fan

    C.

    steam jet

    D.

    none of these


  9. The ratio of heat actually used in producing the steam to the heat liberated in the furnace is known as equivalent evaporation from and at 100° C.

  10. A.

    Correct

    B.

    Incorrect