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 seepage forces within the filter are controlled up to permissible small magnitudes when the ratio of D15 of filter to D15 of base material is ___________________

A. between 5 to 40
B. less than 5
C. between 5 to 20
D. less than 4
Answer» B. less than 5
2.

Which of the following is not provided in order to control the possibility of sand boiling?

A. Relief wells
B. Drain trenches
C. Vertical cut-offs
D. Berms
Answer» D. Berms
3.

According to Terzaghi, the ratio of D15 of filter to D15 of base material should be _____________

A. > 5
B. < 4
C. 4 to 5
D. < 5
Answer» D. < 5
4.

On moderate foundations and particularly in seismic areas, the type of dam which can preferably be considered for construction is ___________________

A. masonry gravity dam
B. earthen dam
C. rock-fill dam
D. arch dam
Answer» D. arch dam
5.

The base width of a rock-fill dam in comparison to that of an earthen dam is _______________

A. much larger
B. much smaller
C. sometimes large sometimes smaller
D. almost equal
Answer» C. sometimes large sometimes smaller
6.

During the maintenance of an earthen dam, the apparent seepage through the foundation of the dam is best taken care of by providing ______________________

A. chimney drain
B. rock toe
C. drain trench along the downstream toe
D. upstream impervious cut-off
Answer» D. upstream impervious cut-off