Thermodynamics Question 163
Question: A Carnot’s engine is made to work between 200°C and 0°C first and then between 0°C and ‘200°C. The ratio of efficiencies of the engine in the two cases is
[KCET 2002]
Options:
A) 1.73 : 1
B) 1 : 1.73
C) 1 : 1
D) 1 : 2
Show Answer
Answer:
Correct Answer: B
Solution:
In first case
In second case
Therefore