Q. Which famous barrage is built across the River Ganges in West Bengal?

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Q. What is the basic cause of retrogression?

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Q. What is the name given to the first effect created by the construction of a weir?

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Q. On par with retrogression factor, how many other certain factors are to be considered?

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Q. How many factors govern the design a weir or a barrage?

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Q. The inverted filter used in protection arrangement, protects the weir from what?

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Q. By how many factors the design of protection works is based?

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Q. Which factor should be kept in safe limits to avoid failure of structure?

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Q. Khosla’s method of independent variables is useful in hydraulic design.

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Q. How many types of aspects are determined by using the hydraulic design in design for a weir?

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Q. Hydraulic design when used on the permeable foundations, the design is classified into two groups.

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Q. Into how groups the design of a barrage is divided?

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Q. Calculate the length of upstream talus if the length of the downstream loose stone talus is 20 m.

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Q. Calculate the top width of the weir wall (B’) if the head of the water over the weir wall at the time of the maximum flood is 2 m. Take the specific gravity of the floor material as 2.4.

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Q. Calculate the length of the downstream floor for a vertical drop weir having crest shutters, if the total maximum head loss is 2.5 m. Assume the value of Bligh’s constant as 12.

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Q. By increasing the length of the floor on the upstream of the weir axis?

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Q. The width provided at the site for the river to flow and also the length of the weir is ____________

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Q. The minimum thickness (t) of the downstream floor required in the design of weir can be expressed by the equation ___________

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Q. The ordinate of the uplift pressure at a point is found to be 2.8 m while designing the downstream floor thickness of a weir. If the relative density of concrete is 2.4 then the minimum thickness of the floor to be provided for resisting uplift pressure without accounting safety factor is _______

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Q. What is the correct calculation for balance floor length?

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