Card 10 / 35: For a vapor-compression refrigeration system, the enthalpy of the refrigerant at the evaporator input is 88 kJ/kg; the enthalpy at the compressor input is 190 kJ/kg; the enthalpy at the compressor output is 260 kJ/kg. The compression is isenthalpic. What is the coefficient of performance of the system?
A)
1.0
B)
2.0
C)
1.5
D)
0.66
E)
3.0
Answer:
C) 1.5
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