Question: A converging-diverging nozzle has a throat area of 100 mm2 and an an exit area of 160 mm2. The inlet flow is helium at a

A converging-diverging nozzle has a throat area of 100 mm2 and an an exit area of 160 mm2. The inlet flow is helium at a total pressure of 1 MPa and total temperature of 375 K. Determine the back pressure that will give sonic condition at the throat, but subsonic everywhere else.

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