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Mechanical Engineering :: Steam Nozzles and Turbines

Steam Nozzles and Turbines - Section 1
Steam Nozzles and Turbines - Section 2
Steam Nozzles and Turbines - Section 3
Steam Nozzles and Turbines - section-4

  1. The variation of steam pressure in the nozzle depends upon

    2. A.

    velocity of steam
    B.

    specific volume of steam
    C.

    dryness fraction of steam
    D.

    all of these

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  2. Steam turbines are used for

    3. A.

    large marine propulsion
    B.

    electric power generation
    C.

    direct drive of fans, compressors, pumps
    D.

    all of these

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  3. Parson's turbine is a

    4. A.

    simple impulse turbine
    B.

    simple reaction turbine
    C.

    impulse-reaction turbine
    D.

    none of these

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  4. The value of the reheat factor varies from

    5. A.

    1.02 to 1.06
    B.

    1.08 to 1.l0
    C.

    1.2 to 1.6
    D.

    1.6 to 2

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  5. The steam enters the nozzle at a

    6. A.

    high pressure and a low velocity
    B.

    high pressure and a high velocity
    C.

    low pressure and a low velocitylow pressure and a high velocity
    D.

    low pressure and a high velocity

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