A heat pump is used to maintain a hall at 30C when the atmospheric temperature is 15C. The heat loss from the hall is 1200 kJ/min. Calculate the power required to run the heat pump if its C.O.P. is 40% of the Carnot machine working between the same temperature limits.

A) 0.495 B) 4.04
C) 0.247 D) 8.08

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