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 7 of 16

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Q61.
A concrete gravity dam having a maximum reservoir level at 200 m and the RL of the bottom of the dam 100 m. The maximum allowable compressive stress in concrete is 3000 KN/m² and the specific gravity of concrete is 2.4. Calculate the height of the dam and check whether it is a high dam or low dam.

a.

H = 90 m High gravity dam

b.

H = 90 m Low gravity dam

c.

H = 214.2 m High gravity dam

d.

H = 214.2 m Low gravity dam

Discuss
Answer: (a).H = 90 m High gravity dam
Q62.
The axis of a gravity dam is the ______________________

a.

line of the crown of the dam on the downstream side

b.

line of the crown of the dam on the upstream side

c.

centre-line of the top width of the dam

d.

line joining mid-points of the base

Discuss
Answer: (b).line of the crown of the dam on the upstream side
Q63.
Presence of tail-water in a gravity dam ____________________

a.

increases the principal stress and decreases the shear stress

b.

increases both the principal stress and the shear stress

c.

decreases the principal stress and increases the shear stress

d.

decreases both the principal stress and the shear stress

Discuss
Answer: (d).decreases both the principal stress and the shear stress
Q64.
The provision of drainage gallery in a gravity dam helps in reducing ____________________

a.

hydrostatic pressure

b.

seepage pressure

c.

silt pressure

d.

both hydrostatic pressure and seepage pressure

Discuss
Answer: (b).seepage pressure
Q65.
Which of the following attempts are made to reduce the uplift in order to economize on the provided section of a concrete gravity dam?

i. Providing drainage gallery to collect seepage water
ii. Constructing cut-off under upstream face
iii. Pressure grouting in dam foundation
iv. Provision of shear keys or keyways

a.

i and ii

b.

i, ii and iii

c.

i, ii and iv

d.

i, ii, iii and iv

Discuss
Answer: (b).i, ii and iii
Q66.
Transverse joints in concrete gravity dams are the ___________________________

a.

horizontal construction joints at each lift height

b.

vertical construction joints of full height and width

c.

diagonal construction joints for torsion

d.

longitudinal construction joints of full width

Discuss
Answer: (b).vertical construction joints of full height and width
Q67.
Leakage through the transverse joints in a gravity dam is prevented by ____________

a.

shear keys

b.

keyways

c.

water stops

d.

galleries

Discuss
Answer: (c).water stops
Q68.
In order to reduce uplift on a gravity dam, the type of grouting done is ____________________

a.

curtain grouting near the heel

b.

consolidation grouting near the heel

c.

curtain grouting near the toe

d.

consolidation grouting near the toe

Discuss
Answer: (a).curtain grouting near the heel
Q69.
The general value of lift for concrete is taken as __________________

a.

1.5 m

b.

2.5 m

c.

3 m

d.

4 m

Discuss
Answer: (a).1.5 m
Q70.
The horizontal joints that extends through the entire width of the dam section and are developed at each lift height is called as ___________________

a.

transverse joints

b.

longitudinal joints

c.

construction joints

d.

contraction joints

Discuss
Answer: (b).longitudinal joints
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