Thermodynamics Question 170
Question: An engine is supposed to operate between two reservoirs at temperature 727°C and 227°C. The maximum possible efficiency of such an engine is
[UPSEAT 2005]
Options:
A) 1/2
B) 1/4
C) 3/4
D) 1
Show Answer
Answer:
Correct Answer: A
Solution:
$ \eta =\frac{T _{1}-T _{2}}{T _{1}}=\frac{(273+727)-(273+227)}{273+727} $
$ =\frac{1000-500}{1000}=\frac{1}{2} $
