A heat pump with a coefficient of performance of 35, Mechanical Engineering

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A heat pump with a coefficient of performance of 35

A heat pump with a coefficient of performance of 3.5 provides energy at an average rate of 70,000 kJ/h to maintain a building at 208C on a day when the outside temperature is 258C. If electricity costs 8.5 cents per kW ? h,

(a) determine the actual operating cost and the minimum theoretical operating cost, each in $/day.

(b) compare the results of part (a) with the cost of electrical-resistance heating.

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Mechanical Engineering: A heat pump with a coefficient of performance of 35

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Mechanical Engineering: A heat pump with a coefficient of performance of 35

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