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Mechanical Engineering :: Steam Boilers and Engines

Steam Boilers and Engines - Section 1
Steam Boilers and Engines - Section 2
Steam Boilers and Engines - Section 3
Steam Boilers and Engines - Section 4
Steam Boilers and Engines - Section 5

  1. A device used to increase the temperature of saturated steam without raising its pressure, is called

    2. A.

    blow off cock
    B.

    fusible plug
    C.

    superheater
    D.

    stop valve

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  2. The diameter of flue tube in a Cornish boiler is __________ that of the shell.

    3. A.

    one-fourth
    B.

    one-third
    C.

    two-fifth
    D.

    three-fifth

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  3. An economiser __________ the steam raising capacity of a boiler.

    4. A.

    increases
    B.

    decreases
    C.

    has no effect on

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  4. Fire tube boilers are

    5. A.

    internally fired
    B.

    externally fired
    C.

    internally as well as externally fired
    D.

    none of these

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  5. A safety valve usually employed with stationary boilers is

    6. A.

    lever safety valve
    B.

    dead weight safety valve
    C.

    high steam and low water safety valve
    D.

    all of these

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