SSC SSC JE Mechanical 2025 Mock Test Series (Paper 1 & Paper 2) Thermodynamics First Law of Thermodynamics
When there is a ______, work is transferred over the system boundary in an open system.
1
difference in pressure between the system and surroundings
2
change in the potential energy of the fluid
3
difference in datum head between the system and surroundings
4
change in the kinetic energy of the fluid