Question: Consider N 2 at 4 7 7 K and 5 bar fed to an insulated continuous turbine. The pressure is reversibly decreased by a factor

Consider N2 at 477 K and 5 bar fed to an insulated continuous turbine. The pressure is reversibly decreased by a factor of 4.9. The actual outlet turbine temperature is 391 K. Compute the turbine efficiency. Express your answer as a fraction not a percentage.

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