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Enthalpy

If the heat r...

Question

If the heat rejection ratio of condenser in refrigeration system is $1.2,$ the COP of the plant is
5

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Solution

The correct option is A 5
Heat rejection ratio, $H R R = 1 + \frac{1}{C O P}$

$\Rightarrow C O P = \frac{1}{H R R - 1} = \frac{1}{1.2 - 1} = 5$

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