Question

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give me​

Answer 1

There is absolutely no friction between the walls of cyclinder and the piston. (b) The working substance is an ideal gas. In a real engine, these conditions cannot be fulfilled and hence no heat engine working between the same two temperatures can have efficiency greater than that of carnot engine.

Answer 2

Answer:

In a real engine, these conditions cannot be fulfilled and hence no heat engine working between the same two temperatures can have efficiency greater than that of carnot engine.