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At winter design conditions, a house is projected to lose heat at a rate of 60,000 Btu/h. The internal heat gairn from people, lights, and appliances is estimated to be 6000 Btuh Ifthis house is to be heated by electric resistance heaters, determine the required rated power of these heaters in kW to maintain the house at constant temperature.
At winter design conditions, a house is projected to lose heat at a rate of 60,000 Btu/h. The internal heat gairn from people, lights, and appliances is estimated to be 6000 Btuh Ifthis house is to be heated by electric resistance heaters, determine the required rated power of these heaters in kW to maintain the house at constant temperature.
Answer:15.8529 kWExplanation:Rate of heat loss = 60000 Btu/hInternal heat gain = 6000 Btu/hRate of heat required to be suppliedConverting 54000 Btu/h to kW (kJ/s)1 Btu = 1.05506 kJ1 h = 3600 s∴ Required rated power of these heaters is 15.8529 kW...
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