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 15 of 20

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Q141.
Which of the following conditions is taken into account in case of most economical circular channel section?

a.

Minimum wetted perimeter

b.

Minimum wetted area

c.

Maximum velocity

d.

Maximum depth

Discuss
Answer: (c).Maximum velocity
Q142.
What is the condition for maximum velocity in case of most economical circular section?

a.

sin⁑ 2θ=2θ

b.

cos⁑ 2θ=2θ

c.

tan⁑ 2θ=2θ

d.

sec⁑ 2θ=2θ

Discuss
Answer: (c).tan⁑ 2θ=2θ
Q143.
What is the value of the ΞΈ in case of most economical circular channel section?

a.

128°45β€²

b.

129°45β€²

c.

130°45β€²

d.

131°45β€²

Discuss
Answer: (a).128°45β€²
Q144.
What is the depth of flow in case most economical circular section considering maximum velocity?

a.

0.61D

b.

0.71D

c.

0.81D

d.

0.91D

Discuss
Answer: (c).0.81D
Q145.
Determine the depth of flow in case of maximum velocity when the radius of the channel is 2.2m.

a.

3.56m

b.

4.56m

c.

5.56m

d.

6.56m

Discuss
Answer: (a).3.56m
Q146.
The maximum discharge through a most economical circular section in case of maximum velocity is 0.16 m³/s. Calculate the bed slope of the channel if the radius is 0.4m and C = 55.

a.

1 in 1000

b.

1 in 1100

c.

1 in 1200

d.

1 in 1300

Discuss
Answer: (c).1 in 1200
Q147.
The maximum discharge through a circular channel is 0.38 m³/s and the radius of the channel is 0.6m. Calculate the value of C if Sβ‚€=1 in 1000.

a.

45

b.

50

c.

55

d.

60

Discuss
Answer: (b).50
Q148.
The maximum discharge through a circular channel is 0.61 m³/s and the radius of the section is 0.7m. Calculate the value of n if the bed slope value is 1 in 1100.

a.

0.018

b.

0.019

c.

0.020

d.

0.021

Discuss
Answer: (c).0.020
Q149.
Calculate the hydraulic mean depth in case of maximum mean velocity if the radius of the channel is 0.5m.

a.

0.3m

b.

0.4m

c.

0.5m

d.

0.6m

Discuss
Answer: (a).0.3m
Q150.
Calculate the depth in case of circular channel discharging to the maximum extent if the radius of the channel is 2m.

a.

1.8m

b.

2.8m

c.

3.8m

d.

4.8m

Discuss
Answer: (c).3.8m
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