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Hydraulics - Engineering

Q1:

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

C

D

E none of these.

ANS:C -

It is a case of the rectangular weir in which we have to add the total distance i.e. height above the crest and below the crest to get the area.