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 3 of 16

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Q21.
The Lacey’s scour depth R given by equation R = 0.473 (Q/f)^1/3 is applicable when the river width is equal to ___________

a.

actual river width

b.

regime width

c.

any contracted width

d.

span length

Discuss
Answer: (b).regime width
Q22.
Culverts are all those road bridges whose spans are up to ________

a.

6 m

b.

8 m

c.

10 m

d.

12 m

Discuss
Answer: (b).8 m
Q23.
A road bridge is proposed to be constructed across an alluvial stream with the estimated design discharge as 2500 m³/s. It is decided to adopt a total effective waterway equal to 300 m for this bridge as against the regime width of 237.5 m due to afflux considerations. If the HFL at the site is at RL 214 m, then the RL of the open foundation can be suggested as _______

a.

206.6 m

b.

208.5 m

c.

207.2 m

d.

210.2 m

Discuss
Answer: (a).206.6 m
Q24.
Calculate the value of maximum scour depth for a single span structure having normal scour depth 5m.

a.

5 m

b.

7.5 m

c.

2.5 m

d.

10 m

Discuss
Answer: (b).7.5 m
Q25.
The average grain size of the bed material is 0.16 mm for medium silt, Lacey’s silt factor is likely to be _______

a.

0.30

b.

0.45

c.

0.70

d.

1.32

Discuss
Answer: (c).0.70
Q26.
The thin cylinder theory for designing arch dams is based only on ___________________

a.

temperature stresses

b.

ice pressures

c.

yield stresses

d.

hydrostatic water pressure

Discuss
Answer: (d).hydrostatic water pressure
Q27.
The temperature stresses producing worst effects in the design of arch dams are caused by ______________

a.

rise in temperature

b.

fall in temperature

c.

both rise and fall

d.

no effect in the design

Discuss
Answer: (b).fall in temperature
Q28.
The stresses due to rib-shortening become quite important in the case of _____________

a.

long thin arch dams

b.

thick arch dams of small angle

c.

both thin and thick arch dams

d.

all types of arch dams

Discuss
Answer: (b).thick arch dams of small angle
Q29.
Which of the following is not the basis for the design of an arch dam?

a.

Thin cylinder theory

b.

Trial load theory

c.

Unit column theory

d.

Elastic theory

Discuss
Answer: (c).Unit column theory
Q30.
According to thin cylinder theory, the volume of concrete required for an arch dam would be minimum if the central angle is ____________

a.

130° 34’

b.

133° 34’

c.

143° 34’

d.

153° 34’

Discuss
Answer: (b).133° 34’
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