At steady state, a refrigeration cycle operating between
hot and cold reservoirs at 300 K and 275 K, respectively,
removes energy by heat transfer from the cold reservoir at
a rate of 600 kW.
(a) If the cycle’s coefficient of performance is 4, determine
the power input required, in kW.
(b) Determine the minimum theoretical power required, in
kW, for any such cycle.
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