7-231 Helium gas enters an adiabatic nozzle steadily at 500°C and 600 kPa with a low velocity, and exits at a pressure of 90 kPa. The highest possible velocity of helium gas at the nozzle exit is a) 1475 m/s b) 1662 m/s c) 1839 m/s d) 2066 m/s e) 3040 m/s | |
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