engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Thermodynamics First Law of Thermodynamics
Which of the following relations is valid only for a reversible processes undergone by a closed system?
1
δQ = dU + pdV
2
Tds = dU + δ W
3
Tds = dU + pdV
4
δQ = dU + δW