Q. If the head of the water over the spillway is less than the design head, then ________________

View solution

Q. The spillway which can be called as an overflow spillway is essentially ___________________

View solution

Q. The W.E.S downstream profile of an ogee spillway can be represented by an equation:

Xⁿ = K Hdⁿ⁻¹. Y

Where 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___________________

View solution

Q. According to US Army Corps, the u/s profile of ogee spillway extends up to _______________

View solution

Q. 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?

View solution

Q. What is the satisfactory radius for the reverse bottom curve which is provided at the downstream end of the spillway?

View solution

Q. What is Bazin’s profile?

View solution

Q. 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.

View solution

Q. The discharge passing over an ogee spillway per unit length of its apex line is proportional ___________________

View solution

Q. 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

View solution

Q. When the gated sluices are provided through the body of the dam spillway then the ogee spillway structure shall normally be of Corbel type.

View solution

Q. The velocity of approach has found to be negligible effect upon discharge if ____________

View solution

Q. If a flood enters a dam reservoir at F.R.L, the efficiency of its ogee spillway will ______________

View solution

Q. The downstream apron of the ogee spillway is found to have a negligible effect on the coefficient of discharge when the value of ________________

View solution

Q. What is the value of the pier abutment coefficient for pointed nose piers?

View solution

Q. What is the value of abutment contraction coefficient for square abutment with headwall perpendicular to the direction of flow?

View solution

Q. What is the assumption that is taken during the entire design of an overflow spillway?

View solution

Q. The greater is the divergence from the streamline flow, greater is the contraction coefficient.

View solution

Q. Calculate the effective length of the spillway which consists of 6 spans having a clear width of 10 m each. The thickness of each pier may be taken as 2.5 m and the total design head on the crest including velocity head is 16.3 m. Assuming 90° cut water nose piers and rounded abutments.

View solution

Q. Which of the following is the simplest type of spillway which can be provided independently and at low costs?

View solution