Cheat Sheet 1 H Flashcards
1
Q
At what velocity and rate should new water mains be filled
A
No greater then 1 ft a second
2
Q
What is the process of adding chlorine to water until the demand has been satisfied
A
Breakpoint chlorination
3
Q
What happens to a water main operating under normal PSI when a hydrant is in operation
A
Negative pressure (back siphonage)
4
Q
Why are gate valves used in a distribution system
A
They exhibit less friction then other valves
