MCQOPTIONS
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MCQOPTIONS
| 1. |
Helium gas expands from 350 K, 125 kPa and 0.25 m^3 to 100 kPa in a polytropic process with n = 1.667. How much work does it give out? |
| A. | 3.09 kJ |
| B. | 4.09 kJ |
| C. | 5.09 kJ |
| D. | 6.09 kJ |
| Answer» C. 5.09 kJ | |