Question: The operating temperature of cold storage is (280^{circ}) (mathrm{k}) and the heat leakage from the surroundings is (35 mathrm{kw}) for the ambient temperature of (310^{circ}

The operating temperature of cold storage is $280^{\circ}$ $\mathrm{k}$ and the heat leakage from the surroundings is $35 \mathrm{kw}$ for the ambient temperature of $310^{\circ} \mathrm{k}$. If the actual COP of the refrigeration plant is onefourth of an ideal plant working between the same temperature limits, the power required to drive the plant would be:

(a) $3.7 \mathrm{kw}$

(b) $7.5 \mathrm{kw}$

(c) $12 \mathrm{kw}$

(d) $15 \mathrm{kw}$

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