A Perfectly Reversible Heat Pump with a Coefficient of Performance

question 1

Multiple Choice

A perfectly reversible heat pump with a coefficient of performance of 14 supplies energy to a building as heat to maintain its temperature at 27°C.If the pump motor does work at the rate of 1 kW, at what rate does the pump supply energy to the building?

• A)15 kW
• B)3.9 kW
• C)1.4 kW
• D)0.26 kW
• E)0.067 kW

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Nonstandard Form

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