engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Thermodynamics Second law of thermodynamics
"It is impossible for a self-acting machine, unaided by any external agency, to transfer heat from a body to another a higher temperature". The above statement is given by-
1
Clausius Statement
2
Kelvin- Plank Statement
3
First law of thermodynamics
4
All of these