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Railways NTPC (Technical Ability) Turbomachinery Question Bank Turbomachinery

  • question_answer
    Reaction turbine discharges 3 m/s of water under a head of 10 m with an overall efficiency of 92%. The power developed is:

    A) 295.2 kW                      

    B) 237.0 kW

    C) 271.0 kW                      

    D) 265.2 kW

    Correct Answer: C

    Solution :

    \[p=\gamma \,\,QH\,\,\,{{\eta }_{0}}=\frac{9.81\times 1000\times 30\times 10\times 0.92}{{{10}^{3}}}\]\[=270.76=271\,\,kW\]


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