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

View solution

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

View solution

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?

View solution

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

View solution

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____________________

View solution

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

View solution

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 ________________

View solution

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

View solution

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

View solution

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?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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 ________________________

View solution

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 __________________

View solution

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

View solution

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

View solution

Q. The depth of water stored in an irrigation tank rarely exceeds ______________

View solution

Q. The fuel consumption in water transport decreases as the depth of water between the bottom of the ship and the bottom of the river increases.

View solution