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A cycle composed of three processes: poly tropic compression (n=1.5) from 137 kPa and 38 degrees C to state 2, constant pressure from state 2 to state 3 and constant volume from state 3 to state 1. The heat rejected is 1560kj/kg and the substance is air. Determine:
1. The pressures, the temperatures, and specific volumes around the cycle
2. The heat added
3. The work for each process and the net work.
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Determine the change in entropy for the following: Water, u=1000 kJ/kg, T=140 degree C to saturated liquid at p=3 bar. Air, T(1)= 500 degrees R, p(1)= 10 lbf/in^2 to T(2)= 900 degrees R, p(2)= 50lbf/in^2 (using air property tables and specific heat m..
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