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 19 of 20

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Q181.
Calculate the side slope of a triangular channel if the maximum discharge is 48.82 m³/s and the critical depth of the channel is 6m.

a.

1H:2V

b.

1H:3V

c.

1H:4V

d.

1H:5V

Discuss
Answer: (c).1H:4V
Q182.
The critical depth and base width of a trapezoidal channel is 2m and 5m respectively. Calculate the maximum discharge if the side slope of the channel is 1H:2V.

a.

29.21 m³/s

b.

39.21 m³/s

c.

49.21 m³/s

d.

50.21 m³/s

Discuss
Answer: (c).49.21 m³/s
Q183.
The maximum discharge through a trapezoidal channel is 74.28 m³/s. Calculate the critical depth of the channel is the side slope is equal to 1H:3V. B = 5m.

a.

2m

b.

3m

c.

4m

d.

5m

Discuss
Answer: (b).3m
Q184.
For a critical flow Froude’s number is equal to 1.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q185.
Calculate Froude’s number for a rectangular channel having depth 5m and velocity of flow is 5.94 m/s.

a.

1.0

b.

1.2

c.

1.4

d.

1.6

Discuss
Answer: (b).1.2
Q186.
Calculate the value of Fα΅£ if the value of hydraulic depth is 0.56m and the velocity of flow is 2.5 m/s.

a.

1.0

b.

1.5

c.

2.0

d.

2.5

Discuss
Answer: (b).1.5
Q187.
Calculate the Froude’s number for a triangular channel having depth 4m and side slope of 1H:4V. V = 1m/s.

a.

0.52

b.

0.42

c.

0.32

d.

0.22

Discuss
Answer: (d).0.22
Q188.
The top width of a triangular channel is 6m and the side slope of the channel is 1H:3V. Calculate the velocity of flow.

a.

5.54 m/s

b.

6.64 m/s

c.

7.64 m/s

d.

8.64 m/s

Discuss
Answer: (b).6.64 m/s
Q189.
In the given figure the vertical angle is 60°, calculate the wetted area of the channel.

a.

23.3 m²

b.

33.3 m²

c.

43.3 m²

d.

53.3 m²

Discuss
Answer: (c).43.3 m²
Q190.
What is the total wetted area of a trapezoidal section of depth y base B and side slope Z?

a.

Z(B+Zy)

b.

y(B+Zy)

c.

Zy²

d.

Zy

Discuss
Answer: (b).y(B+Zy)
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