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Waste Water Engineering MCQ Questions & Answers

Waste Water Engineering MCQs : This section focuses on the "Basics" of 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

Wastewater is the combination of liquid and water-transported wastes from?

A. homes
B. commercial buildings
C. industrial facilities
D. All of the above

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Question 2

How many main sources of wastewater?

A. 1
B. 2
C. 3
D. 4

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Question 3

_________ in domestic wastewater usually are caused by gases produced by the decomposition of organic matter or by substances added to the wastewater.

A. Color
B. Temperature
C. Odors
D. Solids

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Question 4

The concentration of physical and chemical pollutants in domestic wastewater is quite variable and particularly dependent upon local conditions. 

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

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Question 5

The numerical value of the TON is determined as ?

A. (A - B)/A
B. (A - B)/B
C. (A + B)/B
D. (A+B)/A

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Question 6

Wastewater from different sources like bathrooms, kitchens and wash basins is called ______

A. Sewage
B. Garbage
C. Sullage
D. Discharge

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Question 7

The relatively clean wastewater from baths, sinks, washing machines and other kitchen appliances is called ________

A. Black water
B. Grey water
C. Yellow water
D. Wastewater

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Question 8

What is the next step after water abstraction in wastewater treatment?

A. Supply to consumers
B. Treatment
C. Combine with stormwater
D. Supply to receiving body

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Question 9

The optimum temperature for bacterial activity is in what range?

A. 25-35 degree Celsius
B. 50 degree Celsius
C. 20 degree Celsius
D. 40 degree Celsius

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Question 10

Domestic wastewater is the spent water originating from all aspects of human sanitary water usage.

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

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