What was the primary goal of Singapore's water recycling program launched in 2003?

Wastewater Treatment Concepts and Challenges

Interactive Video
•
Science, Biology, Chemistry
•
9th - 12th Grade
•
Hard

Mia Campbell
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To reduce the cost of water supply
To provide more than 50% of the nation's water supply by recycling wastewater
To eliminate the use of natural water sources
To create new water sources from seawater
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the three primary types of wastewater?
Gray water, yellow water, and black water
Rainwater, groundwater, and surface water
Blue water, green water, and red water
Freshwater, saltwater, and brackish water
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much solid fecal material is typically found in 4,000 liters of sewage?
50 liters
1 liter
100 liters
10 liters
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to clean wastewater even if it is not intended for drinking?
To remove the color
To prevent pollution of rivers and lakes
To reduce the temperature
To increase the water pressure
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of settling tanks in wastewater treatment plants?
To store the water
To add chemicals to the water
To remove large particles
To heat the water
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is microfiltration used for in advanced wastewater treatment?
To filter out small particles and larger microorganisms
To cool the water
To remove large particles
To add nutrients to the water
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does reverse osmosis remove from water?
Only organic materials
Only bacteria
Salt, viruses, and unwanted chemicals
Large particles
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