Teaching HPSC Lecturer (Technical) Mock Test 2024 Thermodynamics Second Law of Thermodynamics and Entropy Entropy and Irreversibility
In which of the following situations, the entropy change is negative?
1
Air expands isothermally from 6 bar to 3 bar
2
Air is compressed to half of it volume at constant pressure
3
Air is supplied with heat at constant volume till its pressure is doubled
4
Air expands adiabatically from 6 bar to 3 bar
5
Question Not Attempted