R-12 at 30 C, 0.75 MPa enters a steady flow device and exits at 30 C, 100 kPa. Assuming the process to be isothermal and reversible, find the change in availability of the refrigerant.

R-12 at 30 C, 0.75 MPa enters a steady flow device and exits at 30 C,

1.	R-12 at 30 C, 0.75 MPa enters a steady flow device and exits at 30 C, 100 kPa. Assuming the process to be isothermal and reversible, find the change in availability of the refrigerant.
A.	-26.1 kJ/kg
B.	-36.1 kJ/kg
C.	-46.1 kJ/kg
D.	-56.1 kJ/kg
Answer» C. -46.1 kJ/kg

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R-12 at 30 C, 0.75 MPa enters a steady flow device and exits at 30 C, 100 kPa. Assuming the process to be isothermal and reversible, find the change in availability of the refrigerant.

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