Wednesday, April 11, 2007

HW #4, P10 - Heat Pump COP and Monthly Operating Cost - 2 pts

A heat pump cycle whose coefficient of performance is 2.5 delivers energy by heat transfer to a home at a rate of 20 kW.

a.) Determine the net power required to operate the heat pump in kW.
b.) Evaluating electricity at $0.08 per kW-h, determine the cost of electricity in a month when the heat pump operates for 200 hours.

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