A food department is kept at 212°C by a refrigerator in an environment at 30°C. The total heat gain to the food department is estimated to be 3300 kJ/h and the heat rejection in the condenser is 4800 kJ/h. Determine the power input to the compressor, in kW and the COP of the refrigerator.

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter18: Heat Engines, Entropy, And The Second Law Of Thermodynamics
Section: Chapter Questions
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A food department is kept at 212°C by a refrigerator
in an environment at 30°C. The total heat gain to the food
department is estimated to be 3300 kJ/h and the heat rejection
in the condenser is 4800 kJ/h. Determine the power input
to the compressor, in kW and the COP of the refrigerator.

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