Determine the pressure and temperature of air, Mechanical Engineering

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Determine the pressure and temperature of air

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Q: Air enters a nozzle at 30 psia, 630 R, and a velocity of 450 ft/s. Assuming isentropic flow, determine the pressure and temperature of air at a location where the air velocity equals the speed of sound. What is the ratio of the area at this location to the entrance area? You should solve the problem in a step by step.

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