engineering recuitment BHEL Engineer Trainee Mock Test 2025 Thermodynamics First Law of Thermodynamics
Air enters the compressor at 1 bar and 298 K having a volume of 1.8 m2/kg and compressed to 5 bar isothermally. The change in internal energy during the process is _______.
1
0
2
37 kJ
3
1 kJ
4
73 kJ