Explore topic-wise MCQs in Irrigation Engineering.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

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.

A. 2.35 N/m2 and soil grains will be stationary
B. 2.35 N/m2 and soil grains is in motion
C. 0.235 N/m2 and soil grains will be stationary
D. 0.235 N/m2 and soil grains is in motion
Answer» C. 0.235 N/m2 and soil grains will be stationary
Discussion
2.

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.

A. 0.2 kg/m2
B. 1.962 kg/m2
C. 2 kg/m2
D. 1 kg/cm2
Answer» B. 1.962 kg/m2
Discussion
3.

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

A. True
B. False
Answer» B. False
Discussion
4.

The basic mechanism behind the phenomenon of sediment transport is ______________

A. drag force opposite to the direction of the flow
B. drag force in the direction of the flow
C. free motion of the sediment particles
D. force exerted by water vertically
Answer» C. free motion of the sediment particles
Discussion
5.

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

A. True
B. False
Answer» C.
Discussion