A heat pump maintains a dwelling at 688F. When operating
Chapter 2, Problem 2.95(choose chapter or problem)
A heat pump maintains a dwelling at \(68^{\circ} \mathrm{F}\). When operating steadily, the power input to the heat pump is 5 hp, and the heat pump receives energy by heat transfer from \(55^{\circ} \mathrm{F}\) well water at a rate of 500 Btu/min.
(a) Determine the coefficient of performance.
(b) Evaluating electricity at \(\$ 0.10 \text { per } \mathrm{kW} \cdot \mathrm{h}\), determine the cost of electricity in a month when the heat pump operates for 300 hours.
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