6.38. Steam at

2,700kPa

and with a quality of 0.90 undergoes a reversible, adiabatic expansion in a nonflow process to

400kPa

. It is then heated at constant volume until it is saturated vapor. Determine

Q

and

W

for the process.

6.38. Steam at 2,700kPa and with a quality of 0.90 undergoes a reversible, adiabatic expansion in a nonflow process to 400kPa, It is then heated at constant volume until it is saturated vapor. Determine Q and W for the process