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:

η=T1−T2T1=(273+727)−(273+227)273+727

=1000−5001000=12

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