Question

In thermodynamics, a process is called reversible when:

• A. Surroundings and system change into each other
• B. There is no boundary between system and surroundings
• C. The surroundings are always in equilibrium with the system
• D. The system changes into the surroundings spontaneously

Answer 1

The correct option is C The surroundings are always in equilibrium with the system

The process which follows the reversible path or which occurs an infinite number of steps in this way that the equilibrium conditions are maintained at each step, and the process can be reversed by an infinitesimal change in the state of functions is called reversible process. In thermodynamics, a process is called reversible when the surroundings are always in equilibrium with the system.