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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Tests  >  Environmental Engineering  >  Test: Filter Media - Civil Engineering (CE) MCQ

Test: Filter Media - Civil Engineering (CE) MCQ


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10 Questions MCQ Test Environmental Engineering - Test: Filter Media

Test: Filter Media for Civil Engineering (CE) 2024 is part of Environmental Engineering preparation. The Test: Filter Media questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Filter Media MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Filter Media below.
Solutions of Test: Filter Media questions in English are available as part of our Environmental Engineering for Civil Engineering (CE) & Test: Filter Media solutions in Hindi for Environmental Engineering course. Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free. Attempt Test: Filter Media | 10 questions in 25 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study Environmental Engineering for Civil Engineering (CE) Exam | Download free PDF with solutions
Test: Filter Media - Question 1
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Which of the following is not commonly used as a filter material in the treatment of water?

Detailed Solution for Test: Filter Media - Question 1

Explanation: Sand, Anthracite and Garnet sand are used as a filter material but crushed rock is not used in the treatment of water.

Test: Filter Media - Question 2
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Which of the following is correct regarding the cheapest filter material used in water treatment?

Detailed Solution for Test: Filter Media - Question 2

Explanation: Sand is the cheapest filter material followed by anthracite whereas Garnet sand is the costliest among them and is not used as a sole filter material but as a constituent in mixed media filter.

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Test: Filter Media - Question 3
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 Consider the following statements regarding sand as filter material.
1. It should be free from clay or silt
2. Organic matter should be present in the sand
3. It should be nonuniform
Which of the above statement is/are correct?

Detailed Solution for Test: Filter Media - Question 3

Explanation: Sand used as a filter material should be free from clay, silt, organic matter or other impurity. It should be uniform and of proper size.

Test: Filter Media - Question 4
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The uniformity characteristics of sand expressed in terms of .
Detailed Solution for Test: Filter Media - Question 4

Explanation: The uniformity characteristics of sand are expressed in terms of effective size and uniformity coefficient. Effective size is called as effective diameter and uniformity coefficient is a measure of particle range.

Test: Filter Media - Question 5
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____ represents the size of sand particle such that 10% of particles are finer than this size. 
Detailed Solution for Test: Filter Media - Question 5

Explanation: D10 represents the size of sand particle such that 10% of particles are finer than this size. It is also called the effective size or effective diameter and is measured in mm.

Test: Filter Media - Question 6
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 What is CU in the expression CU= D60/D10 where D60 and D10 are the sizes of particle such that 60% and 10% of the particles are finer than these sizes respectively? 
Detailed Solution for Test: Filter Media - Question 6

Explanation: The uniformity coefficient is a measure of particle range and it is the ratio of D60 and D10 sizes. It is denoted by CU.

Test: Filter Media - Question 7
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 The effective size of sand of the slow sand filter is
Detailed Solution for Test: Filter Media - Question 7

Explanation: The effective size of sand of the slow sand filter is 0.2-0.3mm and for rapid sand filter, the effective size is 0.4-0.7mm.

Test: Filter Media - Question 8
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What is the value of specific gravity of sand filter?
Detailed Solution for Test: Filter Media - Question 8

Explanation: The specific gravity of sand filter lies in the range of 2.55-2.65. So, the value 2.6 lies in the range of specific gravity of sand filter.

Test: Filter Media - Question 9
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The value of uniformity coefficient for uniformly graded sand is ______
Detailed Solution for Test: Filter Media - Question 9

Explanation: Uniformity coefficient CU= D60/D10
For uniformly graded sand, CU= 1
So, D60 = D10.

Test: Filter Media - Question 10
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The value of specific gravity for Garnet sand is ____
Detailed Solution for Test: Filter Media - Question 10

Explanation: Garnet sand is a dense material with a specific gravity of 4.2 and is used as a constituent in mixed media filter. It is a costlier filter material.

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Important Questions for Filter Media

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Filter Media MCQs with Answers

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