Question: Air in a piston that undergoes two processes. First the air is at 100 kPa with a specific volume of 0.04 m7/Kg that is compressed

Air in a piston that undergoes two processes. First the air is at 100 kPa with a specific volume of 0.04 m7/Kg that is compressed to a specific volume of 0.02 m/kg, which obeys a polytropic effect where PVn = constant (n=1.3). In the second step the air is subjected to constant pressure process where the final specific volume is equal to the initial state.

(a) sketch the processes on the P-v diagram and label all states. (b) determine the specific work for each step and the overall process.

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