An open channel carrying super critical flow is provided with a smooth expansion along the direction of flow. When no other considerations interfere, then the water surface.

An open channel carrying super critical flow is provided with a smooth

1.	An open channel carrying super critical flow is provided with a smooth expansion along the direction of flow. When no other considerations interfere, then the water surface.
A.	before transition will rise
B.	after transition will rise
C.	before transition will drop
D.	after transition will drop
Answer» C. before transition will drop

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An open channel carrying super critical flow is provided with a smooth expansion along the direction of flow. When no other considerations interfere, then the water surface.

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