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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Tests  >  Test: Theory And Classification Of Filtration - Civil Engineering (CE) MCQ

Test: Theory And Classification Of Filtration - Civil Engineering (CE) MCQ


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10 Questions MCQ Test - Test: Theory And Classification Of Filtration

Test: Theory And Classification Of Filtration for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Test: Theory And Classification Of Filtration questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Theory And Classification Of Filtration MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Theory And Classification Of Filtration below.
Solutions of Test: Theory And Classification Of Filtration questions in English are available as part of our course for Civil Engineering (CE) & Test: Theory And Classification Of Filtration solutions in Hindi for Civil Engineering (CE) course. Download more important topics, notes, lectures and mock test series for Civil Engineering (CE) Exam by signing up for free. Attempt Test: Theory And Classification Of Filtration | 10 questions in 25 minutes | Mock test for Civil Engineering (CE) preparation | Free important questions MCQ to study for Civil Engineering (CE) Exam | Download free PDF with solutions
Test: Theory And Classification Of Filtration - Question 1
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 Which of the following statement is wrong regarding filtration?

Detailed Solution for Test: Theory And Classification Of Filtration - Question 1

Explanation: Filtration is a primary turbidity removal process.It also removes color, suspended solids and fine particle.

Test: Theory And Classification Of Filtration - Question 2
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 In which action of filtration, particles coarser than the void size is arrested?

Detailed Solution for Test: Theory And Classification Of Filtration - Question 2

Explanation: In Mechanical Straining, particles coarser than the void size is arrested. The water passing the voids will be free from such particles.

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Test: Theory And Classification Of Filtration - Question 3
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 In which action of filtration, colloidal particles is removed?

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Explanation: In the sedimentation action of filtration, colloidal particles arrested in the voids attract other finer particle, settle down in the voids and get removed.

Test: Theory And Classification Of Filtration - Question 4
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Which is the first zone of purification in a sand bed?
Detailed Solution for Test: Theory And Classification Of Filtration - Question 4

Explanation: Schmutzdecke zone is the first zone of purification in a sand bed. It comes under the biological action of filtration. Schmutzdecke is known as the surface coating.

Test: Theory And Classification Of Filtration - Question 5
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 In which action of filtration, removal of particulate matter takes place?
Detailed Solution for Test: Theory And Classification Of Filtration - Question 5

Explanation: Filter removes the particulate matter by electrostatic exchange where the charge of the filter medium neutralizes the charge of the floc and permitting it to be removed.

Test: Theory And Classification Of Filtration - Question 6
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In which type of filter, rate of filtration is low?
Detailed Solution for Test: Theory And Classification Of Filtration - Question 6

Explanation: In Slow sand filter, rate of filtration is low and due to this they requires large land and are expensive to install.

Test: Theory And Classification Of Filtration - Question 7
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 What is the color of the surface coating formed during the filtration process?
Detailed Solution for Test: Theory And Classification Of Filtration - Question 7

Explanation: The surface coating is formed by the reddish brown deposit of partially decomposed organic matter together with Iron, Alumina, Manganese and Silica.

Test: Theory And Classification Of Filtration - Question 8
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 In the ________ zone of purification in filter media, bacteria oxidizes the organic matter completely.
Detailed Solution for Test: Theory And Classification Of Filtration - Question 8

Explanation: In Heterotrophic zone, bacteria multiplies in large number, breaks down not only the organic matter but also destroys each other to maintain a balance of life in the filter.

Test: Theory And Classification Of Filtration - Question 9
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The filtration rate of a slow sand filter is _____ litres of water per square metre.
Detailed Solution for Test: Theory And Classification Of Filtration - Question 9

Explanation: The surface area of the slow sand filter lies between 50m2 to 1000m2 and its filtration rate lies between 100 to 200 litres of water per m2.

Test: Theory And Classification Of Filtration - Question 10
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Identify the correct statement from the following options.
Detailed Solution for Test: Theory And Classification Of Filtration - Question 10

Explanation: Rapid sand filter is cheap and economical and its period of cleaning is 1-2 days. Neither the coagulation nor the skilled supervision is required in slow sand filter.

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