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147. A Carnot engine working as a refrigerator between250 K and 300 K receives 500 cal of heat from thecold reservoir. Heat rejected by it to the hotreservoir is(1) 400 cal(2) 450 cal(3) 550 cal(4) 600 cal

Answer» 147. A Carnot engine working as a refrigerator between
250 K and 300 K receives 500 cal of heat from the
cold reservoir. Heat rejected by it to the hot
reservoir is
(1) 400 cal
(2) 450 cal
(3) 550 cal
(4) 600 cal


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