Question: 3 4 9 . The co - efficient of performance ( COP ) of a refrigerating system, which is its index of performance, is defined

349. The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of _________ and COP are the same.
Kinematic viscosity
Work
Temperature
None of these

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