When the crest of an ogee spillway is designed to be in accordance wit – McqOptions

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1.	When the crest of an ogee spillway is designed to be in accordance with the lower nappe of a free-falling water jet over a duly ventilated sharp-crested weir then theoretically
A.	The pressure on the spillway crest will be zero at design head only
B.	The pressure on the spillway crest will always be zero
C.	The pressure on the spillway crest will always be negative
D.	The pressure on the spillway crest will be always positive
Answer» B. The pressure on the spillway crest will always be zero

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