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				| 1. | Nitrogen gas flows into a convergent nozzle at 200 kPa, 400 K and very low velocity. It flows out of the nozzle at 100 kPa, 330 K. If the nozzle is insulated find the exit velocity. | 
| A. | 681.94 m/s | 
| B. | 581.94 m/s | 
| C. | 481.94 m/s | 
| D. | none of the mentioned | 
| Answer» E. | |