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Blowers MCQ Questions And Answers - Waste Water Engineering

Blowers MCQs : This section focuses on the "Blowers" in Waste Water Engineering. These Multiple Choice Questions (MCQs) should be practiced to improve the Waste Water Engineering skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.

Question 1

Proper aeration and blower selection are two of the most important considerations at a wastewater plant.

C. Can be true or false
D. Can not say

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Question 2

From which we can identify the actual operating air flow?

A. flow rate
B. back pressure
C. Both A and B
D. None of the above

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Question 3

The purpose of the blower is ?

A. create additional air flow
B. provide the correct air flow at any time
C. enhanced aeration efficiency
D. All of the above

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Question 4

Aeration energy consumes _______ of all electrical usage.

A. 0.5
B. 0.6
C. 0.7
D. 0.8

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Question 5

Which of the following is created by blowers?

A. Water flow
B. Wastewater flow
C. Air flow
D. Vacuum flow

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Question 6

What is the purpose of the blower?

A. Decrease air flow
B. Increase air flow
C. Create vacuum
D. Maintain air flow

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Question 7

Air is used to ________ the filter bed.

A. Compact
B. Aerate
C. Fluidize
D. Expand

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Question 8

Which technology’s principle is used in screw blowers?

A. Air compressor
B. Air expander
C. Ventilators
D. Vacuum creators

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Question 9

Which of these is not a characteristic of variable speed drive?

A. Improved speed control of the blower
B. Speed adjustments over a continuous range
C. Can be retrofitted into an existing motor
D. High cost

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Question 10

The essential function of an aeration control system is to fulfill oxygen demands and maintain the treatment process at the lowest possible costs.

C. Can be true or false
D. Can not say

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