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1. |
A cylinder containing R-134a at 150 kPa, 10°C has an initial volume of 20 L. A piston compresses the R-134a in a isothermal, reversible process until it reaches the saturated vapour state. Calculate the required work in the process.$# |
A. | -1.197 kJ |
B. | -2.197 kJ |
C. | -3.197 kJ |
D. | -4.197 kJ |
Answer» D. -4.197 kJ | |