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In practise, all heat engines have effic...

In practise, all heat engines have efficiency less than that of a carnot engine because

A

Carnot engine is ineversible

B

A reversible process can never be attained in a real world

C

irrveversible engine has higher efficiency than reversible engine has higher efficiency than reversible engine

D

Efficiency of Carnot engine is always one

Text Solution

Verified by Experts

The correct Answer is:
B
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