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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. Lancashire boiler is

    2. A.

    stationary fire tube boiler
    B.

    internally fired boiler
    C.

    horizontal boiler
    D.

    all of these

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  2. The diameter of a cylindrical shell of a Scotch marine boiler varies from

    3. A.

    1.5 to 2 m
    B.

    2.5 to 3.5 m
    C.

    3.5 to 4.5 m
    D.

    none of these

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  3. The missing quantity per stroke is equal to

    4. A.

    cylinder feed - indicated mass of steam
    B.

    cylinder feed + indicated mass of steam
    C.

    mass of cushion steam + indicated mass of steam
    D.

    mass of cushion steam + cylinder feed

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  4. In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is __________ the condenser pressure.

    5. A.

    equal to
    B.

    lower than
    C.

    higher than

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  5. A compound steam engine requires a heavier flywheel than simple steam engines.

    6. A.

    True
    B.

    False

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