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 13 of 20

Discover more Topics under Fluid Mechanics

Q121.
Calculate the wetted area of a circular channel having depth d and radius R.

a.

R² (\(\frac{2Ɵ-sin⁑2Ɵ}{2}\))

b.

R² (2Ɵ-sin⁑ 2Ɵ)

c.

R² sin⁑2Ɵ

d.

R² sin⁑Ɵ

Discuss
Answer: (a).R² (\(\frac{2Ɵ-sin⁑2Ɵ}{2}\))
Q122.
Determine the hydraulic radius of a circular section having depth d and radius R.

a.

\(\frac{R(2Ɵ-sin⁑2Ɵ)}{4Ɵ}\)

b.

\(\frac{R(2Ɵ-sin⁑Ɵ)}{2Ɵ}\)

c.

2R(Ɵ-sin⁑Ɵ)

d.

R(Ɵ-sin⁑Ɵ)

Discuss
Answer: (a).\(\frac{R(2Ɵ-sin⁑2Ɵ)}{4Ɵ}\)
Q123.
A circular channel section has water at a depth of 2m and the radius of the section is 4m, calculate the wetted area of the channel.

a.

6.87m²

b.

7.87m²

c.

8.87m²

d.

9.87m²

Discuss
Answer: (d).9.87m²
Q124.
Calculate the wetted perimeter of a circular channel if the depth of water is 2m and radius is 5m.

a.

9.27m

b.

10.27m

c.

11.27m

d.

12.27m

Discuss
Answer: (a).9.27m
Q125.
Calculate the hydraulic radius of a circular channel having depth 6m and radius 4m.

a.

0.41m

b.

1.41m

c.

2.41m

d.

3.41m

Discuss
Answer: (c).2.41m
Q126.
Calculate the discharge through a circular channel section if the depth is 5m, radius of the circular section is 3m and the bed slope is 1 in 1000. Given: C = 50.

a.

25.74 m³/s

b.

26.74 m³/s

c.

27.74 m³/s

d.

28.74 m³/s

Discuss
Answer: (c).27.74 m³/s
Q127.
Estimate the discharge through a circular channel section having radius 4m and depth 3m if the channel bed slope is 1 in 2000. Given: n = 0.015.

a.

15.8 m³/s

b.

16.8 m³/s

c.

17.8 m³/s

d.

18.8 m³/s

Discuss
Answer: (c).17.8 m³/s
Q128.
Calculate the hydraulic radius of a circular channel if the radius is 6m and the central angle is 70°.

a.

0.58m

b.

0.68m

c.

0.78m

d.

0.88m

Discuss
Answer: (b).0.68m
Q129.
The hydraulic radius of a circular channel section is 0.33m, calculate the radius of the channel if the central angle is 60°.

a.

2m

b.

3m

c.

4m

d.

5m

Discuss
Answer: (c).4m
Q130.
The discharge through a circular channel section is 14.67m³/s and the velocity of flow is 1.47m/s, calculate the radius of the section if Ɵ = 75°.

a.

2m

b.

3m

c.

4m

d.

5m

Discuss
Answer: (d).5m
Page 13 of 20