Non Uniform Flow in Channels MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Non Uniform Flow in 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 Non Uniform Flow in 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 Non Uniform Flow in Channels mcq questions that explore various aspects of Non Uniform Flow in Channels problems. Each MCQ is crafted to challenge your understanding of Non Uniform Flow in 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 Non Uniform Flow in Channels MCQs are your pathway to success in mastering this essential Fluid Mechanics topic.

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Non Uniform Flow in Channels MCQs | Page 3 of 13

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Q21.
Determine the value of the hydraulic depth of a channel having dy⁄dx = 4×10⁻⁴ and dE⁄dx = 3.73×10⁻⁴. Given:V = 1m/s

a.

0.5m

b.

1.5m

c.

2.5m

d.

3.5m

Discuss
Answer: (b).1.5m
Q22.
A rectangular channel has depth of 1m and width of 2m, calculate the rate of change of depth if the rate of change of specific energy is 2×10⁻⁵m. Given: Fᵣ=0.48.

a.

0.60×10⁻⁵m

b.

1.60×10⁻⁵m

c.

2.60×10⁻⁵m

d.

3.60×10⁻⁵m

Discuss
Answer: (c).2.60×10⁻⁵m
Q23.
The top width of a triangular channel section is 6m and the side slope of the channel is 1H:4V, calculate the rate of change of specific energy if dy⁄dx = 2×10⁻⁵m and V=2 m/s.

a.

1.86×10⁻⁵m

b.

2.86×10⁻⁵m

c.

3.86×10⁻⁵m

d.

4.86×10⁻⁵m

Discuss
Answer: (a).1.86×10⁻⁵m
Q24.
If dE⁄dx = 2.5×10⁻⁴ m and dy⁄dx = 3.5×10⁻⁴ m, calculate the value of Fᵣ.

a.

0.23

b.

0.33

c.

0.43

d.

0.53

Discuss
Answer: (d).0.53
Q25.
The rate of change of specific energy is given by x²/2 and x ranges from 0 to 3, calculate the value of specific energy.

a.

2.5m

b.

3.5m

c.

4.5m

d.

5.5m

Discuss
Answer: (c).4.5m
Q26.
The rate of change of depth is given by 1/x² and the rate of change of specific energy is given by 3x² with x ranging from 0 to 0.2, calculate the value of Froude’s number.

a.

0.96

b.

0.97

c.

0.98

d.

0.99

Discuss
Answer: (d).0.99
Q27.
The hydraulic depth of a channel is 0.94m and the velocity of flow is 2 m/s. Calculate the rate of change of depth if the rate of change of specific energy is 2.5×10⁻⁴m.

a.

2.33×10⁻⁴m

b.

3.33×10⁻⁴m

c.

4.33×10⁻⁴m

d.

5.33×10⁻⁴m

Discuss
Answer: (c).4.33×10⁻⁴m
Q28.
Calculate the value of Froude’s number for a rectangular channel having depth 1.5m and width 2.5m if the value of C = 30 and S₀=1 in 1000.

a.

0.1

b.

0.2

c.

0.3

d.

0.4

Discuss
Answer: (b).0.2
Q29.
The dynamic equation for the slope of water surface in a GVF is not valid for super critical flow.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q30.
If the ratio of dE⁄dx and dy⁄dx is 0.2823, estimate the value of Froude’s number.

a.

0.65

b.

0.75

c.

0.85

d.

0.95

Discuss
Answer: (c).0.85
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