Explore topic-wise MCQs in Irrigation Engineering.

This section includes 6 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 safety of a hydraulic structure founded on a pervious foundation can be ensured by:i. Provision sufficient length of its concrete floor.ii. Providing sufficient depth of its concrete floor.iii. Provision a downstream cutoff of some reasonable depth.

A. i and ii
B. i and iii
C. i, ii and iii
D. ii and iii
Answer» D. ii and iii
Discussion
2.

Backward erosion piping takes place when the phreatic line cuts the downstream face of the dam and seepage pressure is high.

A. True
B. False
Answer» B. False
Discussion
3.

Heave piping may occur on the _______________

A. downstream of sheet pile or cut off wall
B. upstream of sheet pile or cut off wall
C. body of earth structure
D. below the foundation
Answer» B. upstream of sheet pile or cut off wall
Discussion
4.

The structure finally subsides in the hollow formed in the foundation in which failure?

A. Collapse
B. Overturning
C. Undermining
D. Uplift
Answer» D. Uplift
Discussion
5.

The uplift pressure is not important for the upstream apron during considerations of failure due to uplift.

A. True
B. False
Answer» B. False
Discussion
6.

What are the two main causes of failure of hydraulic structure on the pervious foundation?

A. Seepage and Over-turning
B. Undermining and Uplift
C. Over-turning and Piping
D. Overturning and Uplift
Answer» C. Over-turning and Piping
Discussion