What is one of the main reasons wastewater treatment is crucial for public health?

Wastewater Treatment Processes and Concepts

Interactive Video
•
Science, Biology, Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
It reduces the cost of water supply.
It prevents the spread of diseases.
It increases the water temperature.
It enhances the taste of water.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary purpose of the grit chamber in wastewater treatment?
To remove organic matter.
To trap large solid waste.
To remove rocks and sand.
To disinfect the water.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the primary clarifier, what happens to the suspended solids in the water?
They float to the top.
They settle down as sludge.
They are evaporated.
They are dissolved.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of aeration tanks in the secondary treatment process?
To filter out sand and grit.
To increase oxygen levels for microbes.
To add chlorine to the water.
To remove large debris.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a high BOD indicate about the water quality?
The water is colder.
The water is clearer.
The water is more polluted.
The water is less polluted.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the secondary clarifier in wastewater treatment?
To increase water temperature.
To remove large debris.
To settle activated sludge.
To add chlorine to the water.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which method is used to disinfect the treated water before releasing it into the environment?
Boiling
Aeration
Filtration
UV or chlorine treatment
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