Refrigerant-134a enters an adiabatic compressor at 120 kPa superheated by 2.3°C, and leaves at 0.7 MPa. If the compressor has a second-law efficiency of 85 percent, determine (a) The actual work input,
(b) The isentropic efficiency, and
(c) The exergy destruction. Take the environment temperature to be 25°C.

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0.7 MPa Compressor R-134 120 kPa FIGURE P8-128