Thermodynamics Question 166

Question: For which combination of working temperatures the efficiency of Carnot’s engine is highest

[KCET 2000]

Options:

A) 80 K, 60 K

B) 100 K, 80 K

C) 60 K, 40 K

D) 40 K, 20 K

Show Answer

Answer:

Correct Answer: D

Solution:

η=1T2T1; for h to be max. ratio T2T1 should be min.



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