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A heat pump is designed to provide 20,000 Btu/hr of heating to a building. The compressor, when operating isentropically, consumes 0.75 kW. What is the

A heat pump is designed to provide 20,000 Btu/hr of heating to a building. The compressor, when operating isentropically, consumes 0.75 kW. What is the coefficient of performance for this system if the compressor has an isentropic efficiency of .75%

A) 27

B) 7.8

C) 5.9

D) 2.8

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