Cold Water PowerPoint 1 Worksheet

Which of the following are sources of water?

• Oceans

• Lakes

• Groundwater

• Rain

• Rivers

Who is responsible for regulating private water supplies?

• Local authorities

• Federal government

• Private companies

• Environmental NGOs

The Water Supply (water fittings) Regulations were written under section 74 of the Water Industry Act 1991 to ensure that the systems of plumbing installed in properties prevent what?

• Water contamination

• Water wastage

• Pipe corrosion

• High water pressure

The Water Supply (water fittings) Regulations were written under section 74 of the Water Industry Act 1991 to ensure that the systems of plumbing installed in properties prevent what?

• Misuse of water

• Undue consumption of water

• Gas Leaks

• Erroneous metering of water

What are the two methods of water supply to a dwelling?

• Rain Harvesting systems

• Private Water Supply

• Direct water supply

• Grey water Systems

What are the two methods of distribution for a water mains supply?

• Direct current and alternating current

• Gravity Distribution

• Single-phase and three-phase systems

• Pumped Distribution

What is known as the trunk mains supply?

• The Stopcock

• The Water treatment Plant

• The mains supply Pipe

• The Water Meter

What are the 4 Stages of mains supply treatment?

• Filtration, Softening, Disinfection, Storage

• Collection, Filtration, Distribution, Usage

• Extraction, Purification, Distribution, Consumption

• Sedimentation, Filtration, Aeration, Sterilisation

Wholesome water is defined as water that is:

• Free from impurities and safe to drink

• Rich in minerals and nutrients

• Used for agricultural purposes

• Stored in large reservoirs

What is the maximum and minimum depth a mains service pipe should be set in the ground?

• Maximum: 600mm, Minimum: 375mm

• Maximum: 750mm, Minimum: 1350mm

• Maximum: 900mm, Minimum: 600mm

• Maximum: 1000mm, Minimum: 500mm