Q. A part of tractive force does not have any part in transporting the bed material, i. e bed load.

View solution

Q. Given that the bed slope of a channel is 1 in 2000 and the discharge is 60 cumecs. The depth of the channel is fixed and is given as 2 m. The tractive force needed for the movement of bedload is? Take critical velocity ratio as 1.1.

View solution

Q. What cause is prime responsible for the heavy movement of water from main canal to branch canal?

View solution

Q. Water in which condition or state carry a maximum amount of sediment?

View solution

Q. What minimum value of shear stress is needed to move the sediment?

View solution

Q. Design a channel carrying a 30 cumecs. The median grain diameter is taken as 0.5 mm. The bedload concentration is 60 p.p.m by weight. Use Lacey’s Regime perimeter and Meyer-peter’s formulas.

View solution

Q. The scouring and silting on the river banks raise the flood levels for the particular discharge.

View solution

Q. The phenomenon of sediment transport increases maintenance work and sometimes leads to huge economic loss.

View solution

Q. Which of the following statement is wrong?

View solution

Q. BEAST Stands for _______________

View solution

Q. The soil is assumed to be coherent in the study of the mechanism of sediment transport.

View solution

Q. The basic mechanism behind the phenomenon of sediment transport is ______________

View solution

Q. Which of the following statement is wrong?

View solution

Q. For the bed of the canal, the average shear stress is equal to the tractive force per unit area.

View solution

Q. A wide unlined channel carrying silt-free water has a depth of 2.0 m. The maximum slope that can be given to a channel is 1 in 10,000. Calculate the maximum tractive stress permissible on the bed to prevent scouring.

View solution

Q. The water flows at a depth of 0.6 m in a wide stream having a bed slope of 1 in 2500. The critical tractive stress is 0.53 N/m². Determine the motion of soil grains and the average shear stress.

View solution

Q. Whose equation was the first on the rate of bed load transport?

View solution

Q. Which of the following statement is not correct about Einstein’s theory?

View solution

Q. If the width of a river increases, the discharge per unit width will decrease and therefore, sediment carrying capacity will increase.

View solution

Q. Which of the following statement is not correct about sediment load phenomenon and its measurement?

View solution