Recent content by oliverjames

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    Undergrad Calculating Heat Loss from Room with Refrigerator and Heater

    ok . if i omit the room criteria and if i`m taking only the refrigerator data the heat loss to the room would be 1250 Kw. correct me if i was wrong. Thanks . James
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    The length of time of the refrigerator

    A refrigerator with an average COP of 2.8 is used to cool a well-insulated container whose contents are equivalent to 12 Kg of water from 40 degree C to 10 degree C. When running, the refrigerator consumes 400W of electric power. The length of time the refrigerator must run to accomplish this...
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    Undergrad Calculating Heat Loss from Room with Refrigerator and Heater

    A room contains 25 kg of air at 100KPa and 10 degree C. The room has a 250-W refrigerator (the refrigerator consumes 250 W of electricity when running) and 1-KW electric resistance heater. During a cold winter day, it is observed that both the refrigerator and the resistance heater are running...