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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 cut-off ratio is the reciprocal of expansion ratio,

    2. A.

    Correct
    B.

    Incorrect

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  2. In a receiver type compound engine, the high pressure and low pressure cylinders

    3. A.

    have common piston rod
    B.

    are set at 90°
    C.

    have separate piston rods
    D.

    are set in V - arrangement

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  3. The damper in a steam boiler is provided to control the draught (i.e. rate of flow of air) and thus regulate the rate of generation of steam.

    4. A.

    Correct
    B.

    Incorrect

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  4. The clearance in the engine cylinder

    5. A.

    increases the mean effective pressure
    B.

    increases the workdone
    C.

    decreases the efficiency of the engine
    D.

    all of these

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  5. Which of the following is not a boiler mounting?

    6. A.

    Blow off cock
    B.

    Feed check valve
    C.

    Economiser
    D.

    Fusible plug

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