WorksheetsFluid Categories and back flow prevention
Total questions: 13
Worksheet time: 7mins
What is backflow?
Water flowing in the wrong direction
Water flowing faster
Water flowing slower
Water flowing in a circle
What is an example of a risk for fluid category 2?
Hot water system
Kitchen sink
Combination boilers
Washing machines
Which fluid category represents a serious health hazard?
5
1
3
2
What is an example of a risk for fluid category 3?
Washing machines
Hot water system
Combination boilers
Kitchen sink
What does fluid category 4 represent?
Significant health hazard
Wholesome water
Slight health hazard
Aesthetic quality impaired
What is an air gap used for?
To protect the cold water supply
To heat the water
To increase water pressure
To change water color
What does a check valve do?
Allows water to flow in one direction
Stops water flow completely
Increases water temperature
Changes water color
How many valve orifices does a single check valve have?
One
Two
Three
Four
What type of valve is used for mains fed shower mixer valves?
Single check valve
Double check valve
No valve
Triple check valve
Which type of valve is typically used to prevent backflow in a plumbing system?
Ball valve
Gate valve
Check valve
Butterfly valve
What is the primary purpose of a double check valve in plumbing systems?
To allow water to flow in both directions
To prevent backflow and contamination
To increase water pressure
To reduce water temperature
Which fluid category is associated with a slight health hazard?
Category 1
Category 2
Category 3
Category 4
What is the function of an air gap in a plumbing system?
To increase water flow
To prevent siphoning and backflow
To filter impurities
To heat the water
