engineering recuitment MPPGCL JE 2024 Mock Test Thermodynamics First Law of Thermodynamics Application of First Law to Closed System
0.2 m3 of an ideal gas at the pressure of 2 MPa and 600 K is expanded isothermally to 5 times the initial volume. Itis then cooled to 300 K at constant volume and then, compressed back polytropically to its initial state. The pressure just after the constant volume process is _______.
1
0.2 MPa
2
2.0 MPa
3
0.8 MPa
4
0.4 MPa