Refrigerant-134a enters an adiabatic compressor at 160 kPa superheated by 3°C, and leaves at 1.0 MPa. If the compressor has a second-law efficiency of 80 percent, determine
(a) The actual work input,
(b) The isentropic efficiency, and
(c) The energy destruction. Take the environment temperature to be 25°C.

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I MPa COMPRESSOR R-134a 160 kPa