PPT 6 - Installation and backflow prevention

Which fluid category represents wholesome water supplied from the water undertaker?

• Category 1

• Category 2

• Category 3

• Category 4

What is an example of a fluid in Category 2?

• Mains water

• Hot water in cylinder

• Primary water

• Urinal water

Which fluid category includes fluids representing a slight health risk and unsuitable for drinking?

• Category 1

• Category 2

• Category 3

• Category 5

Fluids containing toxic substances like microorganisms and pesticides fall under which category?

• Category 1

• Category 3

• Category 4

• Category 5

Which category includes fluids with a severe health risk, containing pathogenic organisms and radioactive matter?

• Category 2

• Category 3

• Category 4

• Category 5

What is backflow in plumbing?

• Water flowing in the intended direction

• Water flowing in the opposite direction

• Water being heated

• Water being filtered

What causes back siphonage in plumbing systems?

• Positive pressure

• High temperature

• Negative pressure (sucking)

• Water filtration

What is the purpose of a backflow prevention device in plumbing?

• To allow water to flow backwards

• To prevent water from flowing backwards

• To increase water pressure

• To decrease water pressure

What can cause water to flow backwards in a plumbing system?

• Increase in water pressure

• Sudden loss of pressure at the water main

• High temperature

• Low temperature

According to the Water Regulations, who is responsible for installing proper backflow protection?

• The homeowner

• The plumber

• The city council

• The architect