Question: The maximum and minimum temperature occurring in a closed cycle gas turbine plant are (927^{circ} mathrm{C}) and (37^{circ} mathrm{C}). The pressure at the outlet and

The maximum and minimum temperature occurring in a closed cycle gas turbine plant are $927^{\circ} \mathrm{C}$ and $37^{\circ} \mathrm{C}$. The pressure at the outlet and the inlet of the compressor are $5 \mathrm{bar}$ and 1 bar respectively per $\mathrm{kg}$ of air flow in the cycle. Determine the thermal efficiency of the cycle and the optimum pressure ratio for maximum power output for the given temperatures.

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