Free C55 Water Conditioning Exam

Welcome to your free C-55 Water Conditioning Exam

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1. 
What is the function of a cation exchange unit?

2. 
Which of the following components should a contractor use to attach the drain line from a reverse osmosis unit to the drain system?

3. 
When installing hard copper piping underground, what types of piping should a contractor use?

4. 
What is the MAXIMUM fluoride level permitted in drinking water?

5. 
What is the minimum width for an interior expansion joint?

6. 
How many valves are required to make a water system bypass?

7. 
Why is it important to install a ground bonding wire connection when using plastic pipe?

8. 
To convert grains to ppm, you ___________.

9. 
Fractured resins are known as __________.

10. 
Oxygen ________ corrosion.