Wastewater and Water Treatment Quiz

What is wastewater?

• Water that is bottled

• Water that is used and made dirty

• Water that is always clean

• Water that is only from rain

What is the main purpose of sewage treatment?

• To make water dirty

• To remove pollutants from water

• To increase water usage

• To store water

What is sewage?

• Clean drinking water

• Water from rivers

• Wastewater from homes and industries

• Rainwater

Which of the following is a common contaminant in sewage?

• Clean water

• Human faeces

• Sand

• Oxygen

What is sludge?

• Solid waste from sewage treatment

• Clean water

• A chemical used in cleaning

• A type of fish

Why should oils and fats not be released into the drain?

• They can block the pipes

• They make water taste better

• They are good for the environment

• They can help clean the pipes

What is the role of bar screens in a wastewater treatment plant?

• To heat the water

• To filter out large objects

• To cool the water

• To add chemicals to the water

What happens to treated water after it leaves the treatment plant?

• It is released into rivers or seas

• It is stored forever

• It is thrown away

• It is used for drinking immediately

What is one of the main causes of water-related diseases?

• Poor sanitation

• Low population density

• Clean water access

• High water levels

What is the purpose of aeration in wastewater treatment?

• To remove solid waste

• To help bacteria grow

• To cool the water

• To add color to the water