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 7 of 19

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Q61.
In which type of filter, rate of filtration is low?

a.

Slow sand filter

b.

Rapid sand filter

c.

Gravity filter

d.

Pressure filter

Discuss
Answer: (a).Slow sand filter
Q62.
What is the color of the surface coating formed during the filtration process?

a.

White

b.

Brown

c.

Green

d.

Reddish brown

Discuss
Answer: (d).Reddish brown
Q63.
In the ________ zone of purification in filter media, bacteria oxidizes the organic matter completely.

a.

Autotrophic

b.

Heterotrophic

c.

Schmutzdecke

d.

Electrolytic

Discuss
Answer: (b).Heterotrophic
Q64.
The filtration rate of a slow sand filter is _____ litres of water per square metre.

a.

20

b.

30

c.

50

d.

100

Discuss
Answer: (d).100
Q65.
Identify the correct statement from the following options.

a.

Rapid sand filter has a high initial cost

b.

Coagulation is essential in slow sand filter

c.

Slow sand filter requires skilled supervision

d.

Period of cleaning of Rapid sand filter is 1-2 days

Discuss
Answer: (d).Period of cleaning of Rapid sand filter is 1-2 days
Q66.
Which of the following is not commonly used as a filter material in the treatment of water?

a.

Sand

b.

Anthracite

c.

Crushed rock

d.

Garnet sand

Discuss
Answer: (c).Crushed rock
Q67.
Which of the following is correct regarding the cheapest filter material used in water treatment?

a.

Sand>Anthracite>Garnet sand

b.

Sand<Anthracite>Garnet sand

c.

Sand<Anthracite<Garnet sand

d.

Sand=Anthracite>Garnet sand

Discuss
Answer: (a).Sand>Anthracite>Garnet sand
Q68.
Consider the following statements regarding sand as filter material.

i. It should be free from clay or silt
ii. Organic matter should be present in the sand
iii. It should be nonuniform

Which of the above statement is/are correct?

a.

i, ii

b.

i only

c.

ii, iii

d.

i, ii, iii

Discuss
Answer: (b).i only
Q69.
The uniformity characteristics of sand expressed in terms of __________

a.

Effective size

b.

Effective size and uniformity coefficient

c.

Uniformity coefficient

d.

Mean velocity

Discuss
Answer: (b).Effective size and uniformity coefficient
Q70.
____ represents the size of sand particle such that 10% of particles are finer than this size.

a.

D₀ꓸ₁

b.

D₁

c.

D₁₀

d.

D₁₀₀

Discuss
Answer: (c).D₁₀
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