railway RRB JE (CBT I + CBT II) Mock Test 2024 Thermodynamics First Law of Thermodynamics Statement of First Law of Thermodynamics
In a general compression process, 2 kJ of mechanical work is supplied to 4 kg of fluid and 800 J of heat is rejected to the cooling jacket. The change in specific internal energy would be
1
100 K/kg
2
1200 J/kg
3
300 J/kg
4
400 J/kg