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Test: Types Of Settling - Civil Engineering (CE) MCQ


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5 Questions MCQ Test - Test: Types Of Settling

Test: Types Of Settling for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Test: Types Of Settling questions and answers have been prepared according to the Civil Engineering (CE) exam syllabus.The Test: Types Of Settling MCQs are made for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Types Of Settling below.
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Test: Types Of Settling - Question 1

 How many types of settling are there in sedimentation tank?

Detailed Solution for Test: Types Of Settling - Question 1

Explanation: There are 4 types of settling in sedimentation tank, namely Flocculent, Discrete, Compression and Hindered settling.

Test: Types Of Settling - Question 2

In which type of settling, sedimentation of discrete particles takes place?

Detailed Solution for Test: Types Of Settling - Question 2

Explanation: In Discrete settling, sedimentation of discrete particles takes place where the particles have little tendency to flocculate.

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Test: Types Of Settling - Question 3

 The settling velocity of spherical particle is given by

Detailed Solution for Test: Types Of Settling - Question 3

Explanation: The settling velocity of spherical particle is given by stokes equation where vS = (g/18) * (G-1) d2 /v when diameter d is less than 0.1mm.

Test: Types Of Settling - Question 4

In the expression vS = 1.8 (g*d (G-1)) 1/2, the diameter of spherical particle is 

Detailed Solution for Test: Types Of Settling - Question 4

Explanation: The settling velocity of spherical particle is given by stokes law and when the diameter d of spherical particle is > 1mm, settling velocity is given by vS = 1.8 (g*d (G-1)) 1/2where G is the specific gravity of the particle.

Test: Types Of Settling - Question 5

In which type of settling, settling of particles takes place by the contact of impurities with each other present in wastewater?

Detailed Solution for Test: Types Of Settling - Question 5

Explanation: When large amounts of impurities is present in water, they contact each other in the compression zone and compression settling takes place.

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