Test: Types Of Settling


5 Questions MCQ Test Environmental Engineering - Notes, Videos, MCQs & PPTs | Test: Types Of Settling


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This mock test of Test: Types Of Settling for Chemical Engineering helps you for every Chemical Engineering entrance exam. This contains 5 Multiple Choice Questions for Chemical Engineering Test: Types Of Settling (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Types Of Settling quiz give you a good mix of easy questions and tough questions. Chemical Engineering students definitely take this Test: Types Of Settling exercise for a better result in the exam. You can find other Test: Types Of Settling extra questions, long questions & short questions for Chemical Engineering on EduRev as well by searching above.
QUESTION: 1

 How many types of settling are there in sedimentation tank?

Solution:

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

QUESTION: 2

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

Solution:

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

QUESTION: 3

 The settling velocity of spherical particle is given by

Solution:

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.

QUESTION: 4

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

Solution:

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.

QUESTION: 5

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

Solution:

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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