An ideal gas heat engine operates in a Carnot cycle between 227 ° C and 127 ° C . It absorbs 6 kcal of heat at a higher temperature. The amount of heat in kcal rejected to sink is

Question

An ideal gas heat engine operates in a Carnot cycle between 227 ° C and 127 ° C . It absorbs 6 kcal of heat at a higher temperature. The amount of heat in kcal rejected to sink is, 4 . 8, 2 . 4, 1 . 2, 6 . 0

MARKS App · Accepted Answer

Here, T 1 = 2 27 ° C = 2 2 7 + 2 7 3 = 500 K T 2 = 1 2 7 ° C = 1 2 7 + 2 7 3 = 400 K , Q 1 = 6 kcal , Q 2 Q 1 = T 2 T 1 = 400 500 = 4 5 Q 2 = 4 5 Q 1 = 4 5 × 6 kcal = 4.8 kcal.

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