Question: A converging-diverging nozzle has an exit area to throat area ratio of 1.8. Air enters the nozzle with a total pressure of 1100 kPa and

A converging-diverging nozzle has an exit area to throat area ratio of 1.8. Air enters the nozzle with a total pressure of 1100 kPa and a total temperature of 400 K. The throat area is 5 cm2. If the velocity at the throat is sonic, and the diverging section acts as a nozzle, determine
(a) The mass flow rate,
(b) The exit pressure and temperature,
(c) The exit Mach number and
(d) The exit velocity.

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