Question:
Find the efficiency of Carnot’s engine when the hot body and cold body are temperatures 154 °C and 15 °C
respectively.
Answer:
Given
Cold body temperature,TL = 15º C = 273+15 = 288K
Hot body temperature ,TH = 154º C= 273+154=427K
Efficiency ,η = [1−(TL/ TH )] * 100 %
= [1 - (288/427)] * 100 %
=0.3255*100%
=32.55%
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