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.

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

Non Uniform Flow in Channels MCQs | Page 1 of 13

Discover more Topics under Fluid Mechanics

Q1.
Which of the following assumptions about a GVF is false?

a.

Channel is prismatic

b.

Pressure distribution is hydrostatic

c.

Flow characteristics change with time

d.

Roughness co efficient is constant

Discuss
Answer: (c).Flow characteristics change with time
Q2.
Calculate the total discharge though a rectangular channel having depth 2m and width 4m if the value of C = 50 and if the slope of the energy line is 0.00004.

a.

1.53 m³/s

b.

2.53 m³/s

c.

3.53 m³/s

d.

4.53 m³/s

Discuss
Answer: (b).2.53 m³/s
Q3.
Calculate Sf for a triangular channel if the depth of the channel is 5m and the side slope is 1H:2V. Given: Q = 5.80 m³/s , C = 40.

a.

0.00010

b.

0.00011

c.

0.00012

d.

0.00013

Discuss
Answer: (c).0.00012
Q4.
Calculate the discharge through a trapezoidal channel section if the depth of the channel is 3m and the base width is 3m. Given: C = 30, Sf = 0.0005, A = 12m².

a.

6.10 m³/s

b.

7.10 m³/s

c.

8.10 m³/s

d.

9.10 m³/s

Discuss
Answer: (d).9.10 m³/s
Q5.
The discharge through a circular channel section having diameter 4m which is running half is 4.35 m³/s and the value of slope of energy line is Sf = 0.0003, calculate the value of C.

a.

50

b.

45

c.

40

d.

35

Discuss
Answer: (c).40
Q6.
Determine the dynamic equation for the rate of change of depth having bed slope S₀ and slope of total energy line Sf.

a.

\(\frac{dy}{dx} = \frac{S_0-S_f}{1-\frac{QT}{gA^2}}\)

b.

\(\frac{dy}{dx} = \frac{S_0-S_f}{1-\frac{Q^2T}{gA^2}}\)

c.

\(\frac{dy}{dx} = \frac{S_0-S_f}{1-\frac{Q^2T}{gA^3}}\)

d.

\(\frac{dy}{dx} = \frac{S_0-S_f}{1-\frac{Q^2T}{gA}}\)

Discuss
Answer: (c).\(\frac{dy}{dx} = \frac{S_0-S_f}{1-\frac{Q^2T}{gA^3}}\)
Q7.
Determine the dynamic equation for the rate of change of depth having bed slope S₀ and slope of total energy line Sf in terms of Froude’s number.

a.

\(\frac{dy}{dx} = \frac{S_0-S_f}{1-F_r^2}\)

b.

\(\frac{dy}{dx} = \frac{S_0-S_f}{1-F_r}\)

c.

\(\frac{dy}{dx} = \frac{S_0-S_f}{1-\sqrt{F_r}}\)

d.

\(\frac{dy}{dx} = \frac{S_0-S_f}{F_r^2}\)

Discuss
Answer: (a).\(\frac{dy}{dx} = \frac{S_0-S_f}{1-F_r^2}\)
Q8.
Estimate the rate of change of specific energy having bed slope S₀ and slope of total energy line Sf.

a.

\(\frac{dE}{dx}\) = Sf – S0

b.

\(\frac{dE}{dx}\) = Sf – \(\frac{S_0}{2}\)

c.

\(\frac{dE}{dx}\) = S0 – Sf

d.

\(\frac{dE}{dx} = \frac{S_f}{2}\) – S0

Discuss
Answer: (c).\(\frac{dE}{dx}\) = S0 – Sf
Q9.
Calculate the rate of change of specific energy if the bed slope is 1 in 1000 and Sf = 0.00007.

a.

6.3×10⁻³ m

b.

7.3×10⁻³ m

c.

8.3×10⁻³ m

d.

9.3×10⁻³ m

Discuss
Answer: (d).9.3×10⁻³ m
Q10.
Estimate the value of Sf, if the value of bed slope is 1 in 800 and and dE⁄dx = 10⁻³m.

a.

0.00015

b.

0.00025

c.

0.00035

d.

0.00045

Discuss
Answer: (b).0.00025
Page 1 of 13