Thermodynamics Question 298
Question: A Carnot engine is working between $ 127{}^\circ C $ and $ 27{}^\circ C.~ $ The increase in efficiency will be maximum when the temperature of
Options:
A) the source is increased by $ 50{}^\circ C $
B) the sink is decreased by$ 50{}^\circ C $
C) source is increased by $ 25{}^\circ C $ and that of sink is decreased by $ 25{}^\circ C $
D) both source and sink are decreased by $ 25{}^\circ C $
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ \frac{T _{1}-T _{2}}{T _{1}} $ is maximum in case [b].
