If S is the length of the crest, H is the height of water source of a – McqOptions

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1.	If S is the length of the crest, H is the height of water source of a weir whose length is L and discharge is Q m3/sec, the velocity of approach Vd is
A.	2gH
B.	[B].
C.	[C].
D.	[D].
E.	none of these.
Answer» D. [D].

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