Air at 0500 mpa and 210degc enters an isentropic, Ask an Expert

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Air at 0.500 MPa and 21.0°C enters an isentropic convergingdiverging nozzle with a negligible velocity. The exit to throat area ratio of the nozzle is 1.34.

If the throat velocity is sonic, determine the exit static pressure, temperature, and Mach number, if

(a) the exit is subsonic and

(b) the exit is supersonic.

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