Thermodynamics Question 160
Question: A Carnot engine operates between $ 227^{o}C $ and $ 27^{o}C. $ Efficiency of the engine will be
[DCE 1999; BHU 2004]
Options:
A) $ \frac{1}{3} $
B) $ \frac{2}{5} $
C) $ \frac{3}{4} $
D) $ \frac{3}{5} $
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Answer:
Correct Answer: B
Solution:
$ \eta =1-\frac{T _{2}}{T _{1}}=1-\frac{300}{500}=\frac{2}{5} $
