Dam Design and Construction MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Dam Design and Construction, a fundamental topic in the field of Irrigation Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Dam Design and Construction MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Dam Design and Construction mcq questions that explore various aspects of Dam Design and Construction problems. Each MCQ is crafted to challenge your understanding of Dam Design and Construction principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Irrigation Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Dam Design and Construction MCQs are your pathway to success in mastering this essential Irrigation Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Dam Design and Construction. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Dam Design and Construction knowledge to the test? Let's get started with our carefully curated MCQs!

Dam Design and Construction MCQs | Page 15 of 16

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Q141.
Calculate the maximum shear-stress induced if the horizontal average shear stress induced in u/s portion of the dam at the base is 36.45 kN/m².

a.

43.74 kN/m²

b.

47.38 kN/m²

c.

51.03 kN/m²

d.

54.67 kN/m²

Discuss
Answer: (c).51.03 kN/m²
Q142.
Calculate the factor of safety at the point of maximum shear if unit shearing resistance is 97.9 kN/m² and the maximum shear-stress induced is 55.72 kN/m². Check whether the dam is safe or unsafe.

a.

F.O.S = 1.93 and safe

b.

F.O.S = 1.75 and unsafe

c.

F.O.S = 0.569 and safe

d.

F.O.S = 1.75 and safe

Discuss
Answer: (d).F.O.S = 1.75 and safe
Q143.
A rock toe and a horizontal filter is provided on the downstream base of an earthen dam in order to _________________

a.

prevent piping action in the dam body

b.

prevent piping action in the dam foundation

c.

reduce the seepage quantity by blocking its flow

d.

collect and drain out the seepage flow

Discuss
Answer: (d).collect and drain out the seepage flow
Q144.
What is provided in the form of a transition zone between the homogenous embankments-fill and rock toe?

a.

Toe filter

b.

Horizontal blanket

c.

Chimney drain

d.

Trenches

Discuss
Answer: (a).Toe filter
Q145.
The length of horizontal blanket should be equal to _________________

a.

3 times the height of the dam

b.

4 times the height of the dam

c.

5 times the height of the dam

d.

6 times the height of the dam

Discuss
Answer: (a).3 times the height of the dam
Q146.
____________________ is provided when large scale stratification occurs.

a.

Chimney drain

b.

Cut-off

c.

Relief wells

d.

Trenches

Discuss
Answer: (a).Chimney drain
Q147.
The only provision among the following which can help control the seepage through the body of an earthen dam and thus to keep the phreatic line well within the dam width is _________________

a.

upstream impervious cut-off

b.

drain trench along the downstream toe

c.

relief wells

d.

chimney drain

Discuss
Answer: (d).chimney drain
Q148.
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

Discuss
Answer: (c).drain trench along the downstream toe
Q149.
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

Discuss
Answer: (b).much smaller
Q150.
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

Discuss
Answer: (c).rock-fill dam
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