If the operating head on an ogee spillway is more than the design hea – McqOptions

MCQOPTIONS

1.	If the operating head on an ogee spillway is more than the design head then ________________
A.	the pressure on the crest will be zero
B.	the pressure on the crest will be negative causing cavitation
C.	the pressure on the crest will be positive
D.	the discharge coefficient of the spillway will be reduced
Answer» C. the pressure on the crest will be positive

Discussion

No Comment Found

Related MCQs

If the upstream face of the spillway is kept vertical, the crest shape should also confirm to the lower nappe of an inclined sharp-crested weir.
What is Bazin’s profile?
What is the satisfactory radius for the reverse bottom curve which is provided at the downstream end of the spillway?
Which of the following plot is useful in determining the clearance for the spillway deck bridge and the top levels of walls on the side of the spillway?
According to US Army Corps, the u/s profile of ogee spillway extends up to _______________
The W.E.S downstream profile of an ogee spillway can be represented by an equation:Xn = K Hd n-1. YWhere x and y are the coordinates of the points on the crest profile and K and n for a vertical upstream spillway would respectively be___________________
The spillway which can be called as an overflow spillway is essentially ___________________
If the head of the water over the spillway is less than the design head, then ________________
Which of the following spillway is an improvement over free overflow spillway?
In the functioning of an ogee spillway, the operating head ______________________