Test: Design Of Sedimentation Tank


5 Questions MCQ Test Environmental Engineering - Notes, Videos, MCQs & PPTs | Test: Design Of Sedimentation Tank


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

Which of the following cannot be the velocity of flow in the horizontal flow sedimentation tank?

Solution:

Explanation: The maximum value of the velocity of flow is 30cm/min, so it cannot be 39cm/min.

QUESTION: 2

 The deviation from the ideal flow of wastewater in the sedimentation tank causes

Solution:

Explanation: The deviation from the ideal flow of wastewater in the sedimentation tank causes short circuiting. It results in variation in the detention period in the top and bottom layer of wastewater in the tank.

QUESTION: 3

 The overflow rate for a plain sedimentation tank is ______ litre/day/metre2.

Solution:

Explanation: The overflow rate for a plain sedimentation tank lies between 12000-18000 litre/day/metre2.

QUESTION: 4

The detention period for a sedimentation tank where coagulation takes place is

Solution:

Explanation: The detention period for a sedimentation tank without coagulation is 4 hours, whereas with coagulation is 2 – 2.5 hours.

QUESTION: 5

 The test for finding the optimum coagulant dose in water is

Solution:

Explanation: Jar test is used to find the optimum coagulant concentration that is required to cause coagulation in water so that the settling of suspended impurities takes place.

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