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Civil Engineering (CE) Exam  >  Civil Engineering (CE) Tests  >  Test: Chemical Clarification - Civil Engineering (CE) MCQ

Test: Chemical Clarification - Civil Engineering (CE) MCQ


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10 Questions MCQ Test - Test: Chemical Clarification

Test: Chemical Clarification for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Test: Chemical Clarification questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Chemical Clarification MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Chemical Clarification below.
Solutions of Test: Chemical Clarification questions in English are available as part of our course for Civil Engineering (CE) & Test: Chemical Clarification 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: Chemical Clarification | 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: Chemical Clarification - Question 1
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 Which of the following represents the coagulant pipe?

Detailed Solution for Test: Chemical Clarification - Question 1

Explanation: ‘A’ represents the coagulant pipe which is used for discharging the coagulant into the flash mixer.

Test: Chemical Clarification - Question 2
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  Which of the following represents the device which is used for sludge removal?

Detailed Solution for Test: Chemical Clarification - Question 2

Explanation: ‘D’ represents the drain valve which is used for the removal of sludge from the mixer.

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Test: Chemical Clarification - Question 3
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 _________ is the average of velocities at a point over a definite period of time.

Detailed Solution for Test: Chemical Clarification - Question 3

Explanation: Temporal mean velocity is the average of velocities at a point over a definite period of time. It is represented by G.

Test: Chemical Clarification - Question 4
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 Which of the following goes to the flocculation tank?
Detailed Solution for Test: Chemical Clarification - Question 4

Explanation: ‘B’ represents the outlet of the mixer which goes to the flocculation tank.

Test: Chemical Clarification - Question 5
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Which of the following is the correct expression regarding temporal mean velocity? 
Detailed Solution for Test: Chemical Clarification - Question 5

Explanation: Temporal mean velocity G = (P/μV) 1/2, where P is the power, μ is the dynamic viscosity and V is the volume of the tank. It is measured in per second.

Test: Chemical Clarification - Question 6
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Which of the following is correctly paired?
Detailed Solution for Test: Chemical Clarification - Question 6

Explanation: E represents the Impeller which is driven by the electric motor to revolve in the tank.

Test: Chemical Clarification - Question 7
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The speed of impeller in a flash mixer is
Detailed Solution for Test: Chemical Clarification - Question 7

Explanation: The speed of impeller in a flash mixer is between 100 to 120 rpm and the propeller type impeller is used.

Test: Chemical Clarification - Question 8
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 ‘C’ in the following figure represents the ________
Detailed Solution for Test: Chemical Clarification - Question 8

Explanation: ‘C’ represents the deflecting wall, whereas the boundary below the inlet and outlet of the tank is the flash mixer wall.

Test: Chemical Clarification - Question 9
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The detention period of a flash mixer is
Detailed Solution for Test: Chemical Clarification - Question 9

Explanation: The detention period of flash mixer lies between 30 seconds to 2 minutes.

Test: Chemical Clarification - Question 10
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 Which of the following represents the impeller shaft?
Detailed Solution for Test: Chemical Clarification - Question 10

Explanation: Impeller is connected to impeller shaft which is further connected to electric motor so as to drive the impeller and mixing of coagulant in water takes place.

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