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 9 of 20

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Q81.
The area of a circular section which is running half full is 19.625m² and the value of the chezy’s constant is 60. Calculate the section factor(n).

a.

0.019

b.

0.020

c.

0.021

d.

0.022

Discuss
Answer: (a).0.019
Q82.
A circular section which is (3/4)th full is having a wetted perimeter of 9.42m. Calculate the value of C if n is equal to 0.025.

a.

30

b.

40

c.

50

d.

60

Discuss
Answer: (b).40
Q83.
The dimensions of a rectangular channel section are 3m in width and 1m in depth. Calculate the average shear stress if the bed slope of the channel is 1 in 500.

a.

9.772 N/m²

b.

10.772 N/m²

c.

11.772 N/m²

d.

12.772 N/m²

Discuss
Answer: (c).11.772 N/m²
Q84.
Calculate the bed slope of a triangular channel having depth 12m and side slope of 1H:6V if the average shear stress is 9.6138 N/m².

a.

1 in 500

b.

1 in 1000

c.

1 in 1500

d.

1 in 2000

Discuss
Answer: (b).1 in 1000
Q85.
The average shear stress for a circular channel running full is 32.7 N⁄m² and the diameter of the channel is 8m then calculate the bed slope of the channel.

a.

1 in 500

b.

1 in 600

c.

1 in 700

d.

1 in 800

Discuss
Answer: (b).1 in 600
Q86.
Determine the average shear stress of a trapezoidal channel having base width 6m, depth 5m and side slope 1H:3V if the bed slope of the channel is 1 in 700.

a.

28.45N/m²

b.

38.45N/m²

c.

48.45N/m²

d.

58.45N/m²

Discuss
Answer: (a).28.45N/m²
Q87.
Estimate the value of Chezy’s constant if the value of the friction factor is 0.031.

a.

35

b.

40

c.

45

d.

50

Discuss
Answer: (d).50
Q88.
Calculate the average shear stress if the friction factor is 0.28 and velocity of flow is 1.5 m⁄s.

a.

60N/m²

b.

70N/m²

c.

80N/m²

d.

90N/m²

Discuss
Answer: (c).80N/m²
Q89.
Calculate the conveyance of a rectangular channel having depth 0.5m and width 0.8m. C = 50.

a.

6.42m³⁄s

b.

7.42m³⁄s

c.

8.42m³⁄s

d.

9.42m³⁄s

Discuss
Answer: (d).9.42m³⁄s
Q90.
Determine the conveyance of a trapezoidal channel having depth 3m, width 9m, side slope 1H:2V and the manning’s co efficient is 0.03.

a.

864.79m³/s

b.

865.79m³/s

c.

866.79m³/s

d.

867.79m³/s

Discuss
Answer: (b).865.79m³/s
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