Consider a Carnot-cycle heat pump with R-22 as the working fluid. Heat is rejected from the working fluid at 40°C. During this process the R-12 changes from saturated vapor to saturated liquid. Heat is transferred to the R-22 at O°C.
(a) Show this cycle on a T-5 diagram.
(b) Calculate the quality of the working fluid at the beginning and at the end of the isothermal heat addition process at O°C.
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(c) Determine the coefficient of performance for the cycle.