Question: b ) A reversible heat pump is used for heating a building in the winter season. The heat is absorbed from the earth by a

)

A reversible heat pump is used for heating a building in the winter season. The heat is absorbed from the earth by a fluid circulating in buried pipes and delivered to the building to maintain the temperature at

23 \

deg C

.

Determine the amount of heat supplied to the building if one kW

-

hr of electrical energy is needed to operate the heat pump. The soil temperature may be taken as

0 \

deg C

.

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