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Test: Types Of Settling Tanks


5 Questions MCQ Test Environmental Engineering | Test: Types Of Settling Tanks


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

 How many types of sedimentation tanks are there on the basis of method of operation?

Solution:

Explanation: There are two types sedimentation tanks on the basis of method of operation, namely Fill and draw type and Continuous flow type.

QUESTION: 2

 In which type of sedimentation, the flocculent suspension of the intermediate concentration takes place?

Solution:

Explanation: In type III sedimentation, the inter-particle forces hold the particle together and the flocculent suspension of the intermediate concentration takes place.

QUESTION: 3

In which type of sedimentation,the flocculent suspension of high concentration takes place?

Solution:

Explanation: In type IV sedimentation,the flocculent suspension of high concentration takes place and particles comes in contact with each other resulting in the formation of structure.

QUESTION: 4

 When the impurities are separated by the gravitation of settling particles, the operation is called ______
Solution:

Explanation: In plain sedimentation, the impurities are separated from a suspending fluid by use of natural forces like gravitational forces.

QUESTION: 5

What is the settling velocity of the particle in the wastewater if its diameter is 2 * 10-3cm. Given G=2.65, viscosity v=8 * 10-3cm2/Sec? 
Solution:

Explanation: Settling velocity of the particle in wastewater is given by vs=g (G-1) d2/18v
Specific gravity G=1, g=981cm2/Sec, viscosity v=8 * 10-3cm2/Sec
vs = 981 * (2.65-1) * 0.002 * 0.002/(18 * 0.008) = 0.13cm/Sec.

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