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 5 of 16

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Q41.
Which of the following criteria has to be satisfied for no tension at any point on a gravity dam?

a.

The resultant of all the forces must always pass through the mid-point of the base of the dam

b.

The resultant force for all conditions of loading must pass through the middle third of the base

c.

The resultant of all the forces must pass through the upstream extremity of the middle third of the base

d.

The resultant of all the forces must pass through the downstream extremity of the middle third of the base

Discuss
Answer: (b).The resultant force for all conditions of loading must pass through the middle third of the base
Q42.
The bottom portion of a concrete or a masonry gravity dam is usually stepped in order to _______

a.

increase the overturning resistance of the dam

b.

increase the shear strength

c.

decrease the shear strength

d.

increase the frictional resistance

Discuss
Answer: (b).increase the shear strength
Q43.
The governing compressive stress in a concrete gravity dam which should not be allowed to exceed the permissible value of about 3000 KN/m² while analyzing full reservoir case is ____________________

a.

the vertical maximum stress at the toe

b.

the major principal stress at toe

c.

the shear stress at the toe

d.

the principal stress at the heel

Discuss
Answer: (b).the major principal stress at toe
Q44.
If the uplift increases and the net effective downward force reduces, the resultant will shift towards the toe.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q45.
When the reservoir is empty, the single force acting on it is the self-weight of the dam which acts at a distance of ____________

a.

B/2 from the heel

b.

B/6 from the heel

c.

B/3 from the heel

d.

B/4 from the heel

Discuss
Answer: (c).B/3 from the heel
Q46.
When the reservoir is empty, the maximum vertical stress equal to ________________

a.

At heel = 2W/B and at toe = 0

b.

At heel = 0 and at toe = 2W/B

c.

At heel = toe = zero

d.

At heel = toe = 2W/B

Discuss
Answer: (a).At heel = 2W/B and at toe = 0
Q47.
The two-dimensional stability analysis of gravity dams proves better for U-shaped valleys than for V-shaped valleys.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q48.
Calculate the value of minimum base width for an elementary triangular concrete gravity dam supporting 72 m height of reservoir water and full uplift? (Take specific gravity of concrete as 2.4 and coefficient of friction as 0.7)

a.

36.28 m

b.

39.77 m

c.

51.5 m

d.

73.5 m

Discuss
Answer: (d).73.5 m
Q49.
For usual values of permissible compressive stress and specific gravity of concrete, a high concrete gravity is the one whose height exceeds ______________

a.

48 m

b.

70 m

c.

88 m

d.

98 m

Discuss
Answer: (c).88 m
Q50.
For triangular dam section of height H for just no tension under the action of water pressure, self-weight and uplift pressure, the minimum base width required is _____________

a.

H / (S-1)

b.

H / S^1/2

c.

H / (S – 1)⁻¹

d.

H / (S-1)^1/2

Discuss
Answer: (d).H / (S-1)^1/2
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