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 13 of 19

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Q121.
The head loss through the bed of solids of the filter can be determined by __________

a.

Carmen-Kozney equation

b.

Rose equation

c.

Carmen-Kozney and Rose equation

d.

Charles equation

Discuss
Answer: (c).Carmen-Kozney and Rose equation
Q122.
Which of the following has the highest shape factor as stated by Carmen?

a.

Ottawa sand

b.

Pulverized coal

c.

Rounded coal

d.

Angular sand

Discuss
Answer: (a).Ottawa sand
Q123.
Which of the following is the expression of the Carmen equation where symbols have their usual meanings?

a.

hf = f* (L/(s *d)) * ((1-e)/e³) * (v²/g)

b.

hf = f* (L/(s *d)) * ((1-e)/e³) * (v/g)

c.

hf = f* (L/(s *d)) * ((1-e)/e) * (v²/g)

d.

hf = f* (L/(s *d)) * ((1-e)/e²) * (v²/g)

Discuss
Answer: (a).hf = f* (L/(s *d)) * ((1-e)/e³) * (v²/g)
Q124.
Which of the following represents the correct relation between dimensionless friction factor f and Reynolds number?

a.

f = 150* ((1-e) /R²) + 1.75

b.

f = 150* ((1-e) /R) +1.75

c.

f = 150* ((1-e) /R³) + 1.75

d.

f = 150* ((1-e²) /R) + 1.75

Discuss
Answer: (b).f = 150* ((1-e) /R) +1.75
Q125.
Which of the following is the expression of the Rose equation where symbols have their usual meanings?

a.

hf = f* (L/(s *d)) * ((1-e) /e³) * (v²/g)

b.

hf = f* (L/(s *d)) * ((1-e) /e³) * (v/g)

c.

hf = f* (L/(s *d)) * ((1-e) /eโด) * (v²/g)

d.

hf = f* (L/(s *d)) * ((1-e) /e²) * (v²/g)

Discuss
Answer: (a).hf = f* (L/(s *d)) * ((1-e) /e³) * (v²/g)
Q126.
When the Reynolds number is greater than 1.9 but less than 500, the coefficient of drag CD is?

a.

CD = 24/R

b.

CD = R/24

c.

CD = 18.5/Rโฐฮ‡โถ

d.

CD = Rโฐฮ‡โถ/18.5

Discuss
Answer: (c).CD = 18.5/Rโฐฮ‡โถ
Q127.
The value of Reynolds number R is 1.5. The coefficient of drag is?

a.

8

b.

10

c.

12

d.

16

Discuss
Answer: (d).16
Q128.
Rose equation is valid for beds in which voids are clear and unobstructed.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q129.
When does the particle become suspended in an expanded bed?

a.

When superficial velocity is greater than critical velocity

b.

When superficial velocity is less than critical velocity

c.

When superficial velocity is equal to critical velocity

d.

When superficial velocity is constant

Discuss
Answer: (c).When superficial velocity is equal to critical velocity
Q130.
The superficial velocity in a stratified bed is equal to __________

a.

Terminal settling velocity

b.

Terminal settling velocity * porosity

c.

Terminal settling velocity * (porosity)²

d.

Terminal settling velocity * (porosity)โดฮ‡โต

Discuss
Answer: (d).Terminal settling velocity * (porosity)โดฮ‡โต
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