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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. The selection of type and size of a steam boiler depends upon

    2. A.

    the power required and working pressure
    B.

    the geographical position of the power house
    C.

    the fuel and water available
    D.

    all of the above

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  2. The maximum steam pressure in a Locomotive boiler is limited to

    3. A.

    0.18 MN/m2
    B.

    1.8 MN/m2
    C.

    18 MN/m2
    D.

    180 MN/m2

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  3. The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks

    4. A.

    180° to each other
    B.

    90° to each other
    C.

    0° to each other
    D.

    none of these

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  4. The main object of a boiler trial is

    5. A.

    to determine the generating capacity of the boiler
    B.

    to determine the thermal efficiency of the boiler when working at a definite pressure
    C.

    to prepare heat balance sheet for the boiler
    D.

    all of the above

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  5. The artificial draught is produced by

    6. A.

    steam jet
    B.

    centrifugal fan
    C.

    chimney
    D.

    both (a) and (b)

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