Wastewater Treatment Quiz
Authored by NOR MAIZZATY BINTI ABDULLAH NOR MAIZZATY BINTI ABDULLAH
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is water pollution?
A change in water quality that is beneficial
Any chemical, physical or biological change in water quality that is harmful
A process that purifies water
A method of treating wastewater
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a source of water pollution?
Rainwater
Domestic sewage
Clean rivers
Filtered water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does wastewater typically refer to?
Water that is always clean
Water that is only from industrial sources
Water that has been adversely affected by human influence
Water that is used for irrigation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT a characteristic of wastewater?
Suspended solids
Biodegradable organics
Pathogens
High purity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of primary treatment in wastewater treatment?
To remove all pathogens
To remove a significant portion of solids and BOD
To disinfect the water
To treat sludge
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a grit chamber in wastewater treatment?
To aerate the wastewater
To disinfect the effluent
To remove large floating debris
To remove inert dense materials like sand and gravel
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which treatment process removes approximately 85% of BOD and solids?
Secondary treatment
Pre-treatment
Tertiary treatment
Primary treatment
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