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Discussion :: Compressors, Gas Turbines and Jet Engines

  1. The compressor efficiency is the

    2. A.

     Isothermal H.P/indicated H.R
    B.

     Isothermal H.P./shaft H.R
    C.

     Total output/air input
    D.

     Compression work/motor input

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    Workspace

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    Answer : Option A

    Explanation :

    The compressor efficiency is the Isothermal H.P/indicated H.R The mechanical efficiency varies with compressor size and type, but 95% is a useful planning number. When calculating the compressor head and discharge temperature the efficiency used will be isentropic or polytropic

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