What is meant by reversible process? Explain why the efficiency of a reversible engine is maximum?

What is meant by reversible engine? Explain, why the efficiency of a reversible engine is maximum.

What is meant by reversible engine? Explain, why the efficiency of a reversible engine is maximum.

What is meant by a reversible engine? Explain as to why the efficiency of a reversible engine is maximum.

What is meant by 'reversible sol'?

What is reversible process?

What is reversible process ?

How can the efficiency of a reversible engine be 100%?

What is meant by reverse osmosis?.