In 10-2-10 [OVL] consider that the compressor and turbine have isentropic efficiencies of 80% and 90%, respectively.

Question:

In 10-2-10 [OVL] consider that the compressor and turbine have isentropic efficiencies of 80% and 90%, respectively. Determine for the modified cycle,
(a) The coefficient of performance and
(b) The irreversibility rates, per unit mass of air flow, in the compressor and turbine, each in kJ/kg, for T0 = 300 K.