railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Entropy and Irreversibility
Which among the following is correct about reversibility?
1
Retroactive forces like viscous and friction forces do not causes Irreversibility
2
Elastic Collision is irreversible
3
Any heat transfer process can be made reversible if carried out using infinite reservoirs
4
None