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Air flows through a converging nozzle with exit area of 5 cm sq. from a reservoir at stagnation pressure of 350 kPa and stagnation

Air flows through a converging nozzle with exit area of 5 cm sq. from a reservoir at stagnation pressure of 350 kPa and stagnation temperature of 300 K. a) Find the exit plane Mach number, pressure and velocity and the corresponding mass flow rate if the back pressure is 200 kPa. Find the mass flow rate if the back pressure is 100 kPa. b)

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