Air enters a converging-diverging nozzle at 700 K and 1000 kPa with negligible velocity. The exit Mach

Question:

Air enters a converging-diverging nozzle at 700 K and 1000 kPa with negligible velocity. The exit Mach number is 2 and the throat area is 20 cm2. Assuming steady isentropic flow, determine
(a) The throat velocity,
(b) Mass flow rate (m) and
(c) The exit area.