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16 January, 05:38

Water enters the pump of a steam power plant as saturated liquid at 20 kPa at a rate of 45 kg/s and exits at MPa. Neglecting the changes in kinetic and potential energies and assuming the process to be reversible, determine the power input to the pump.

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  1. 16 January, 07:38
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    Answer:power input = 44.85kw

    Explanation:

    V=0.001017m³/kg

    The power input of the pump

    W=mv (p2-p1)

    =45*0.001017 * (1000-20)

    45*0.001017*980

    44.85kw
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