SOPEEC Refrigeration Operator A

Practice session

A refrigeration system operating on a vapor compression cycle has an evaporator exit enthalpy (suction to compressor) of 1450 kJ/kg and a condenser inlet enthalpy (compressor discharge) of 1720 kJ/kg. If the liquid entering the expansion valve has an enthalpy of 350 kJ/kg, what is the Coefficient of Performance (COP) of the refrigeration cycle?

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