Air enters the compressor of a simple gas turbine at p1 = 14 lbf/in2, T1 = 520°R. The isentropic efficiencies of the compressor and turbine are 83 and 87%, respectively. The compressor pressure ratio is 12 and the temperature at the turbine inlet is 2500°R. The volumetric flow rate of the air entering the compressor is 9000 ft3/min. Use an air-standard analysis. a) Determine the net power developed, in Btu/h.   b) Determine the thermal efficiency of the cycle.   c) The temperatures at the compressor and turbine exits in °R.   d) The temperatures at the compressor and turbine enters in °R

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