Sedimentation and Filtration MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Sedimentation and Filtration, a fundamental topic in the field of Environmental Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Sedimentation and Filtration 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 Sedimentation and Filtration mcq questions that explore various aspects of Sedimentation and Filtration problems. Each MCQ is crafted to challenge your understanding of Sedimentation and Filtration principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Environmental Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Sedimentation and Filtration MCQs are your pathway to success in mastering this essential Environmental Engineering topic.

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

Sedimentation and Filtration MCQs | Page 3 of 19

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Q21.
Which of the following represents the correct relation between displacement velocity and diameter of the particle?

a.

v1 = (8Bg (G-1) d/f)^1/2

b.

v1 = (8Bg (G-1) d2/f)²

c.

v1 = (8Bg (G-1) d/f)

d.

v1 = (8Bg (G-1) d/f)²

Discuss
Answer: (a).v1 = (8Bg (G-1) d/f)^1/2
Q22.
The detention period of a rectangular tank is given by _______

a.

t0 = LBH/Q

b.

t0 = LB/HQ

c.

t0 = Q/LBH

d.

t0 = HQ/LB

Discuss
Answer: (a).t0 = LBH/Q
Q23.
The average time required by water to pass through the settling tank is called _______

a.

Detention time

b.

Flowing through period

c.

Time of flow

d.

Mean time

Discuss
Answer: (b).Flowing through period
Q24.
Range of Displacement efficiency in the plain sedimentation tank is ___________

a.

0.25-0.5

b.

0.1-0.2

c.

0.5-0.8

d.

0.3-0.6

Discuss
Answer: (a).0.25-0.5
Q25.
The quantity of water flowing per hour per unit horizontal area is called ________

a.

Detention time

b.

Flowing through period

c.

Displacement time

d.

Overflow rate

Discuss
Answer: (d).Overflow rate
Q26.
Settling tank efficiency is reduced by _______

i. Eddy current
ii. Surface current
iii. Density current

a.

i, ii

b.

i, ii, iii

c.

ii, iii

d.

i, iii

Discuss
Answer: (b).i, ii, iii
Q27.
1cm per second settling velocity corresponds to a surface loading of ______ litre per day per m².

a.

36000

b.

864000

c.

24000

d.

6000

Discuss
Answer: (b).864000
Q28.
What will be the surface area of the basin for a flow of 2*10⁶ litre per day having a surface loading rate 10,000 litre/day/m²?

a.

100

b.

200

c.

300

d.

400

Discuss
Answer: (b).200
Q29.
The detention period of the vertical flow clarifier is _______

a.

1-1.5

b.

2

c.

3.5

d.

4

Discuss
Answer: (a).1-1.5
Q30.
The design value of surface loading for horizontal flow circular sedimentation is _______

a.

30-40m³/m²/d

b.

20-30m³/m²/d

c.

10-20m³/m²/d

d.

50-100m³/m²/d

Discuss
Answer: (a).30-40m³/m²/d
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