11.2 Water use & Management

11.2 Water use & Management

Multiple Choice

How many gallons (in the millions) are used per day in the USA?

• 100 million

• 300 million

• 700 million

• 400 million

Multiple Select

Select the 3 main global uses of water

• Residential

• Municipal

• Industrial

• Agricultural

Multiple Choice

What uses the most water in a typical household?

• bathing

• laundry

• sinks

• toilets

Multiple Choice

Graywater is used water that comes from toilets and kitchen sinks that can be used to water the lawn.

• True

• False

Multiple Choice

What is fecal coliform a measure of?

• A direct measurement of feces concentration.
• Number of bacteria (like E. coli) commonly found in sewage.
  
• The ability of water to transmit viruses such as influenza.
• The brownness of the water.

Multiple Choice

Select the correct order for the water treatment process.

• Sedimentation - Chlorination - Filtration
• Sedimentation - Filtration - Chlorination
• Filtration - Chlorination - Sedimentation
• Filtration - Sedimentation - Chlorination

Multiple Choice

What is the best way to CONSERVE water use in an agricultural setting...

• low flow toilets

• reuse cooling water

• drip irrigation

• high power overhead irrigation

Multiple Choice

Which category uses the most water?

• agriculture

• cooling systems

• industrial

• residential

Multiple Choice

3 of the following are disadvantages of dam and reservoir systems; one is not. Choose the one that is not.

• Dams and reservoirs disrupt migration of some fish.

• Dams and reservoirs displace people behind the dam

• Dams and reservoirs lead to devastating flooding if there is a failure.

• Dams and reservoirs increases downstream flooding.

Multiple Choice

What is depicted in this image?

• a reservoir

• a lake

• a swamp

• a pond

Multiple Choice

Which of the following is NOT a method of desalination?

• Reverse osmosis

• Heat evaporation

• Carbon filtration

• Solar power

Multiple Choice

What is the best definition of desalination?

• Removing harmful chemicals from water

• Filtering dirty water

• Cleaning natural spring water

• Removing salt and minerals from sea water