Q. The storage created on the upstream side of a smaller stream by the construction of low earthen bunds is technically known as _________________

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Q. The provision of suitable breaching sections becomes more important in irrigation tanks which are isolated.

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Q. The cubic meters of water that can be stored in an irrigation tank between full tank level and sill level of the lowest supply sluice is known as __________________

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Q. If A₁ represents the area of a tank bed at bottom and A₂ is the area of the tank at F.T.L, then the storage capacity of the tank of height H is given as ________________________

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Q. The top-level of a tank weir in a tank bund scheme is kept at ________

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Q. The usual arrangement made in a tank-bund scheme to spill the surplus excess water is known as ________________________

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Q. If A₁ and A₂ represent the areas enclosed between two successive contours, then the cubic content between these contours is roughly taken as _________________

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Q. The most adopted earthen section for tank bunds is of the type ___________________

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Q. What is the approximate value of side slope of the bund for smaller tanks with water depths not exceeding 2.5 m in favorable soils such as red and white gravel, red and black loams?

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Q. The usual difference between F.T.L and M.T.L is rarely allowed to exceed _____________

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Q. Which of the following type of tank weirs are provided with a number of vertical steps instead of horizontal or sloping downstream apron?

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Q. The width of the horizontal floors of type A and D weirs from the foot of the drop wall to the d/s edge of the floor should never be less than ________________

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Q. Which among the following is a correct representation of Ryve’s formula?

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Q. The capacity of an irrigation tank is sometimes increased by installing a temporary stone wall over the top of the tank weir. This fixture is known as____________________

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Q. The discharge through the sluice of a small irrigation tank is usually controlled by _______________

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Q. What will the discharging capacity of a masonry waste weir of 55 m length and 1.5 m width provided in an earthen bund for passing a flood with 1.2 m water depth over its crest?

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Q. Pipe sluices are generally not adopted in tank bunds where the depth below F.T.L exceeds ____________

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Q. Calculate peak discharge for a combined catchment of a tank forming a constituent unit of a group with the following given data –

Combined catchment = 26 sq. km
Intercepted catchment = 20 sq. km
Ryve’s coefficient for combined catchment = 9.0
Ryve’s coefficient intercepted = 1.8

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Q. What is the approximate value of Ryve’s coefficient for combined catchment having limited areas near hills?

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