Flow in Open Channels MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Flow in Open Channels, a fundamental topic in the field of Fluid Mechanics. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Flow in Open Channels 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 Flow in Open Channels mcq questions that explore various aspects of Flow in Open Channels problems. Each MCQ is crafted to challenge your understanding of Flow in Open Channels principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Fluid Mechanics tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Flow in Open Channels MCQs are your pathway to success in mastering this essential Fluid Mechanics topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Flow in Open Channels. 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 Flow in Open Channels knowledge to the test? Let's get started with our carefully curated MCQs!

Flow in Open Channels MCQs | Page 5 of 20

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Q41.
The ratio between hydraulic radius and hydraulic depth of a triangular channel is 31/100, calculate the side slope of the channel.

a.

1⁄2

b.

1⁄3

c.

1⁄4

d.

2⁄3

Discuss
Answer: (b).1⁄3
Q42.
Calculate the wetted perimeter of a triangular channel section having a depth of 5m and the side slope is equal to tan⁡ 30°.

a.

9.54m

b.

10.54m

c.

11.54m

d.

12.54m

Discuss
Answer: (c).11.54m
Q43.
The discharge of water through a triangular section is 90 m³⁄s and velocity of flow is 5 m⁄s. Calculate the hydraulic depth of the channel having a side slope 1⁄2.

a.

2m

b.

3m

c.

4m

d.

5m

Discuss
Answer: (b).3m
Q44.
The top width of a triangular channel section is 4m and the depth of the section is 8m, calculate the wetted perimeter of the channel.

a.

16.5m

b.

17.5m

c.

18.5m

d.

19.5m

Discuss
Answer: (a).16.5m
Q45.
Estimate the wetted perimeter of a trapezoidal section of depth y, base B and side slope Z.

a.

B+2y\(\sqrt{1+Z^2}\)

b.

B+y\(\sqrt{1+Z^2}\)

c.

2y\(\sqrt{1+Z^2}\)

d.

y\(\sqrt{1+Z^2}\)

Discuss
Answer: (a).B+2y\(\sqrt{1+Z^2}\)
Q46.
What is the top width of a trapezoidal channel having depth y, side slope Z and base B?

a.

2Zy

b.

Zy

c.

B+Zy

d.

B+2Zy

Discuss
Answer: (d).B+2Zy
Q47.
Calculate the hydraulic depth of a trapezoidal channel section having depth 4m, base of 5m and side slope 1H:2V.

a.

2.11m

b.

3.11m

c.

4.11m

d.

5.11m

Discuss
Answer: (b).3.11m
Q48.
Calculate the hydraulic radius of a trapezoidal section having depth 5m, side slope 1H:3V and base of 6m.

a.

1.32m

b.

2.08m

c.

1.08m

d.

2.32m

Discuss
Answer: (d).2.32m
Q49.
Calculate the section factor of a trapezoidal channel section having depth 8m, base 5m and side slope 1H:2V.

a.

139.44

b.

149.44

c.

159.44

d.

169.44

Discuss
Answer: (d).169.44
Q50.
Estimate the discharge of water in a trapezoidal channel section having a depth 3m, width of 6m, side slope of 1H:2V and velocity of water is 2m⁄s.

a.

40m³⁄s

b.

45m³⁄s

c.

50m³⁄s

d.

55m³⁄s

Discuss
Answer: (b).45m³⁄s
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