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The coefficient of performance of a reversible refrigeration cycle is always (a) greater than, (b) less than, (c) equal to the coefficient of performance of an irreversible refrigeration cycle when each operates between the same two thermal reservoirs.

Respuesta :

Answer:

Option B is correct

Explanation:

Let

Higher temperature = [tex]T_H[/tex]

Lower temperature = [tex]T_L[/tex]

We know that COP is given by

[tex]COP = \frac{T_L}{T_H-T_L}[/tex]

We see that COP is depends only on the temperature difference & Temperature difference is maximum for the Carnot cycle.

Therefore the COP of reversible refrigeration cycle is always less then the COP of  an irreversible refrigeration cycle when each operates between the same two thermal reservoirs.

Therefore option B is correct

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