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Question

The heat removal rate from a refrigerated space and the power into to the compressor are $7.2 k W$ and $1.8 k W$ , respectively. The coefficient of performance (COP) of the refrigerator is
4

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Solution

The correct option is A 4

Given data:
$Q_{2} = 7.2 k W;$
$W = 1.8 k W$
$(C O P)_{R} = \frac{Q_{2}}{W}$
$\frac{7.2}{1.8} = 4$

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