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 8 of 16

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Q71.
Which failure occurs when the minimum stress exceeds the allowable compressive stress of the dam material?

a.

Overturning

b.

Crushing

c.

Sliding

d.

By development of tension

Discuss
Answer: (b).Crushing
Q72.
Tension cracks in the dam may sometimes lead to the failure of the structure by?

a.

Sliding of the dam at the cracked section

b.

Overturning about the toe

c.

Crushing of concrete starting from the toe

d.

Both overturning and crushing

Discuss
Answer: (c).Crushing of concrete starting from the toe
Q73.
The major principal stress at the toe of a gravity dam under full reservoir condition neglecting the tailwater effect is given by ____________________

a.

Pแตฅ

b.

Pแตฅ tanQ²

c.

Pแตฅ secQ²

d.

Pแตฅ sinQ²

Discuss
Answer: (c).Pแตฅ secQ²
Q74.
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
Q75.
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
Q76.
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
Q77.
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
Q78.
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
Q79.
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
Q80.
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
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