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← ScienceWhich outcome during choke flow is accurately described applying the Fanno flow equation within a converging-diverging nozzle?
A)Increased fluid velocity and stagnation pressure
B)Decreased fluid velocity and static pressure
C)Increased fluid velocity and static pressure✓
D)Constant fluid velocity; pressure increases
💡 Explanation
In supersonic nozzle flow in converging-diverging geometries described by the Fanno flow equation, acceleration continues via expansion because the sonic throat prevents further mass flow increase; therefore velocity rises, while static pressure decreases, rather than velocity stagnation.
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