Civil Engineering - Irrigation - Discussion


If D is the depth of water upstream of the throat above its sill, B is the width of the throat, to achieve critical flow in an open venturi flume, the theoretical maximum flow Q, is

[A]. Q = 1.71 BD1/2
[B]. Q = 1.71 BD
[C]. Q = 1.71 BD3/2
[D]. Q = 1/71 BD2/3
[E]. none of these.

Answer: Option C


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