Cheat Sheet 1 (c) Flashcards
Dead end water mains should be avoided to prevent what?
The development of taste and odor problems
How often should fire hydrants be operated
Fire hydrants should be operated twice a year
What are blow off valves used for
Blow off valves flush out sediments and bio growth out of the water system
What is the type of hydrant with valve outlets
A wet barrel hydrant has valve outlets
What does M.C.L. Stand for
M.C.L. Stands for Maximum Contaminant Level
Name a federal agency that regulates
The E.P.A.
Where do you take water samples
At the main
For a large system how many bacteriological samples should be taken
Depends on the population
After digging a trench what would be the next step to start a tap
Clean the main
What is a thrust block used for
To keep the pipe from separating