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| Q.21 | 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. It is 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 _______. | |
| Ans | 1. 0.8 Mpa | |
| 2. 0.4 MPa | ||
| 3. 2.0 Mpa | ||
| 4. 0.2 MPa |
Correct Ans Provided: 4
