An ideal Carnot's engine works between 227 ° C and 57 ° C . The efficiency of the engine will be

Question

An ideal Carnot's engine works between 227 ° C and 57 ° C . The efficiency of the engine will be, 22 %, 34 %, 55 %, 13.5 %

MARKS App · Accepted Answer

T 1 = 227 ° C = ( 227 + 273 ) K = 500 K T 2 = 57 ° C = ( 57 + 273 ) K = 330 K Efficiency of Carnot's engine, η = 1 - T 2 T 1 = 1 - 330 500 = 0.34 or η = 34 %

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