214 ppt 1 Water Supply and Management Quiz

What is the significance of a borehole having more than 40 times the water capacity needed by an average home?

• It reduces water waste

• It ensures a constant supply

• It increases water bills

• It requires more maintenance

What is the legal implication of extracting 20,000 litres of water per day from a borehole?

• Requires a special permit

• No permissions or licences needed

• Subject to fines

• Needs government approval

Put in the right order our chain of water supply.

• Treatment plant

• Water Main

• Communication pipe

• Boundary line

• Supply Pipe

What is the estimated water usage for a four-bedroom house over three months?

• 20,000 litres

• 30,000 litres

• 50,000 litres

• 70,000 litres

For what purposes can rainwater be used in a rainwater harvesting system?

• Drinking

• Cooking

• Flushing WCs and washing machines

• Bathing

What backup does a rainwater harvesting system have for low rainfall periods?

• No backup

• Water mains backup

• Solar power backup

• Battery backup

What is one benefit of rainwater harvesting mentioned in the text?

• Increases water bills

• Saves large volumes of mains water

• Pollutes the environment

• Increases water pressure

Where are the main storage cisterns for rainwater harvesting typically installed?

• Above ground

• On the roof

• Below ground

• Inside the house

What must be done to grey recycled water before it is used?

• Heated to boiling point

• Filtered to remove debris

• Mixed with chemicals

• Stored for 24 hours

Which of the following is a benefit of using grey recycled water?

• Reduces freshwater usage

• Increases water bills

• Requires no maintenance

• Improves water taste