Questions and Correct Answers|
Guaranteed Pass
What do water distribution system operators have the responsibility for?
The health and well-being of the community they serve
Frequently the water supplier tries to maintain specific minimum target
__________________ throughput the distribution system.
Water pressure (20 PSI minimum)
All trenches and excavations are unsafe until...
Proper shoring, used, and back filled
Can the quality of water coming out of the consumers tap can be affected by
what happens to the water as it travels through the consumers own system?
Yes
, Biofilms will grow more easily on materials that supply...
Nutrients
Operators should be required to follow a prepared _________ schedule and
document the work they do
PM (preventative maintenance)
A lack of chlorine residual in a distribution system could indicate?
The presence of heavy contamination
What is necessary to do when a new well, pump, or screen is completed
Disinfect
The chlorine injection should never be due to causing corrosion problems
On the intake side of the pump
What must be done before excavation can begin?