A cylinder fitted with a piston contains 0 5 kg of R 134a at 60 61616 C, with a quality of 50 percent The R 134a now expands in an internally reversible polytropic process to ambient temperature, 20 61616 C at which point the quality is 100 percent Any heat transfer is with a constant temperature source, which is at 60 61616 C Find the polytropic exponent n and shows that this process satisfies the second law of thermodynamics

Question: A cylinder fitted with a piston contains 0.5 kg of R-134a at 60C, with a quality of 50 percent. The R-134a now expands in an

A cylinder fitted with a piston contains 0.5 kg of R-134a at 60C, with a quality of 50 percent. The R-134a now expands in an internally reversible polytropic process to ambient temperature, 20C at which point the quality is 100 percent. Any heat transfer is with a constant-temperature source, which is at 60C. Find the polytropic exponent n and shows that this process satisfies the second law of thermodynamics.

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