railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Efficiency of Reversible Heat Engine

यदि ऊष्मा इंजन 927°C और 27°C के बीच संचालित है तो अधिकतम संभव दक्षता कितनी होगी?

1
75%
2
55%
3
35%
4
25%
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