Q. What device is placed in front of head regulator for silt removal?

View solution

Q. Which device is used for silt removal after it enters the canal?

View solution

Q. Depending on how many considerations the capacity of under sluices is fixed?

View solution

Q. How many river training works are needed on the canal head works?

View solution

Q. When the depth is small, the name for the jump?

View solution

Q. When the change in depth is large, then the jump is said to be direct jump.

View solution

Q. For what limits of Froude number, the jump is said to be weak jump?

View solution

Q. For the value of Froude number 9 the jump is said to be strong jump.

View solution

Q. How many assumptions are made for the derivation of momentum formula?

View solution

Q. Depending upon the Froude number, into how many groups the jumps are classified?

View solution

Q. On which surface the energy dissipation is less efficient?

View solution

Q. The length of the jump is how times the height of the jump?

View solution

Q. In what limits the slopes of the glacis are provided?

View solution

Q. For what value of Froude number the jump is steady jump?

View solution

Q. What are the two main causes of failure of hydraulic structure on the pervious foundation?

View solution

Q. The uplift pressure is not important for the upstream apron during considerations of failure due to uplift.

View solution

Q. The structure finally subsides in the hollow formed in the foundation in which failure?

View solution

Q. Heave piping may occur on the _______________

View solution

Q. Backward erosion piping takes place when the phreatic line cuts the downstream face of the dam and seepage pressure is high.

View solution

Q. The safety of a hydraulic structure founded on a pervious foundation can be ensured by:

i. Provision sufficient length of its concrete floor.
ii. Providing sufficient depth of its concrete floor.
iii. Provision a downstream cutoff of some reasonable depth.

View solution