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Discussion :: GATE Mechanical

  1. The pressure, temperature and velocity of air flowing in a pipe are 5 bar, 500 K and 50 m/s, respectively. The specific heats of air at constant pressure and at constant volume are 1.005 kJ/kgK and 0.718 kJ/kgK, respectively. Neglect potential energy. If the pressure and temperature of the surroundings are 1 bar and 300 K, respectively, the available energy in kJ/kg of the air stream is
    2. A.
    170
    B.
    187
    C.
    191
    D.
    213

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    Workspace

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    Answer : Option B

    Explanation :

    -NA-

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