A heat pump is used to heat a building during the winter. The building is to...

 

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A heat pump is used to heat a building during the winter. The building is to be maintained at 21°C at all times. The temperature outside the building at that moment equals to -5°C. If the minimum power required to drive the heat pump unit is 5 kW Write down the diagram of this operation. (1) Estimate the rate of heat loss to the surrounding outside (in kJh). (4) A heat pump is used to heat a building during the winter. The building is to be maintained at 21°C at all times. The temperature outside the building at that moment equals to -5°C. If the minimum power required to drive the heat pump unit is 5 kW Write down the diagram of this operation. (1) Estimate the rate of heat loss to the surrounding outside (in kJh). (4)

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