Question

Which of the following is not a characteristic of an irreversible process?

• A. Spontaneity
• B. Energy loss
• C. Slow change in system variables
• D. All of the above

Answer 1

The correct option is C Slow change in system variables

Irreversible process is also called as spontaneous process.

In irreversible process there is energy loss.

Reversible processes are very slow hence option(C) is not the characteristic of irreversible process.