What is the refrigeration effect of a system if the liquid entering the evaporator has an enthalpy of 60 BTU/lb and the vapor leaving the evaporator has an enthalpy of 110 BTU/lb?
A) 110 Btu/lb / 60 Btu/lb = 1. 83 BTU/lb B) 110 Btu/lb
C) 110 Btu/lb + 60 Btu/lb = 170 Btu/lb D) 110 Btu/lb - 60 Btu/lb = 50 Btu/lb
D
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