6-154 The drinking water needs of an office are met by cooling tab water in a refrigerated water fountain from 23 to 6°C at an average rate of 10 kg/h. If the COP of this refrigerator is 3.1, the required power input to this refrigerator is a) 197 W b) 612 W c) 64 W d) 109 W e) 403 W | |
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