If D is the depth of water upstream of the throat above its sill, B is – McqOptions

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1.	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
Answer» D. Q = 1/71 BD2/3

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