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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

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  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

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  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

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  7. The draught in locomotive boilers is produced by a

  8. A.

    chimney

    B.

    centrifugal fan

    C.

    steam jet

    D.

    none of these

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  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

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