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

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

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

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

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

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

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

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

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

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

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

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

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

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

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Q. Heave piping may occur on the _______________

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

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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.

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Q. What is the value of Bligh’s coefficient for coarse-grained soil?

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Q. For sand mixed with boulder and gravel and for loam soil, the safe hydraulic gradient should be ___________

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Q. Which of the following is not a limitation of creep theory?

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