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Specific Heat Capacity

A heat engine...

Question

A heat engine absorbs heat at a temperature of 127C and exhausts heat at a temperature of 77 C. What is its maximum efficiency?

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Solution

$T_{1} i s t h e t e m p o f t h e s o u r c e = 127^{o} C = 400 k T_{2} i s t h e t e m p o f t h e \sin k = 77^{o} C = 350 K e f f i c i e n c y = 1 - \frac{T_{2}}{T_{1}} S u b s t i t u t e t h e v a l u e a n d f i n d o u t t h e e f f i c i e n c y .$

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