Consider a Carnot cycle executed in a closed system with 0.003 kg of air. The temperature limits

Question:

Consider a Carnot cycle executed in a closed system with 0.003 kg of air. The temperature limits are 25oC and 730oC, and the pressure limits are 15 kPa and 1700 kPa. Determine
(a) The efficiency and
(b) The net work output per cycle. Use the PG model for air.