WATER DISTRIBUTION LEVEL 2
What do water distribution system operators have the responsibility for? - correctanswers-The health
and well-being of the community they serve
Frequently the water supplier tries to maintain specific minimum target __________________
throughput the distribution system. - correctanswers-Water pressure (20 PSI minimum)
All trenches and excavations are unsafe until... - correctanswers-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? - correctanswers-Yes
Biofilms will grow more easily on materials that supply... - correctanswers-Nutrients
Operators should be required to follow a prepared _________ schedule and document the work they do
- correctanswers-PM (preventative maintenance)
A lack of chlorine residual in a distribution system could indicate? - correctanswers-The presence of
heavy contamination
What is necessary to do when a new well, pump, or screen is completed - correctanswers-Disinfect
The chlorine injection should never be due to causing corrosion problems - correctanswers-On the
intake side of the pump
What must be done before excavation can begin? - correctanswers-Location of underground
installations (811 locates)
When must a confined space permit be renewed? - correctanswers-each time someone leaves and re-
enters the confined space
, What does nearly every area of a managers responsibilities require? - correctanswers-Some type of
planning
The sooner you deal with a disciple problem... - correctanswers-The better the outcome will be.
Who is responsible for peeve contamination of the public water system by backflow? - correctanswers-
The water supplier
A supervisor neglecting the safety hazards could be... - correctanswers-Fined, sentenced to jail, barred
from working
What is the operators most important responsibility with regards to safety? - correctanswers-Following
safety procedures
What is the main purpose of a water storage facility? - correctanswers-To provide a sufficient amount of
water to average or equalize the daily demands
What is the purpose of surge tanks? - correctanswers-To control water hammer
Why should all storage facilities be sampled regular? - correctanswers-To determine the quality or the
water that enters and leaves the facility?
Why is backflow a concern for water distribution system operators? - correctanswers-Flow from non
potable source could contaminate distribution system
Why can air because a problem in a water main? - correctanswers-Air can collect and stop the flow of
water completely
What is a cross-connection? - correctanswers-Unprotected connection between a drinking water supply
and a system NOT approved as safe.
What do water distribution system operators have the responsibility for? - correctanswers-The health
and well-being of the community they serve
Frequently the water supplier tries to maintain specific minimum target __________________
throughput the distribution system. - correctanswers-Water pressure (20 PSI minimum)
All trenches and excavations are unsafe until... - correctanswers-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? - correctanswers-Yes
Biofilms will grow more easily on materials that supply... - correctanswers-Nutrients
Operators should be required to follow a prepared _________ schedule and document the work they do
- correctanswers-PM (preventative maintenance)
A lack of chlorine residual in a distribution system could indicate? - correctanswers-The presence of
heavy contamination
What is necessary to do when a new well, pump, or screen is completed - correctanswers-Disinfect
The chlorine injection should never be due to causing corrosion problems - correctanswers-On the
intake side of the pump
What must be done before excavation can begin? - correctanswers-Location of underground
installations (811 locates)
When must a confined space permit be renewed? - correctanswers-each time someone leaves and re-
enters the confined space
, What does nearly every area of a managers responsibilities require? - correctanswers-Some type of
planning
The sooner you deal with a disciple problem... - correctanswers-The better the outcome will be.
Who is responsible for peeve contamination of the public water system by backflow? - correctanswers-
The water supplier
A supervisor neglecting the safety hazards could be... - correctanswers-Fined, sentenced to jail, barred
from working
What is the operators most important responsibility with regards to safety? - correctanswers-Following
safety procedures
What is the main purpose of a water storage facility? - correctanswers-To provide a sufficient amount of
water to average or equalize the daily demands
What is the purpose of surge tanks? - correctanswers-To control water hammer
Why should all storage facilities be sampled regular? - correctanswers-To determine the quality or the
water that enters and leaves the facility?
Why is backflow a concern for water distribution system operators? - correctanswers-Flow from non
potable source could contaminate distribution system
Why can air because a problem in a water main? - correctanswers-Air can collect and stop the flow of
water completely
What is a cross-connection? - correctanswers-Unprotected connection between a drinking water supply
and a system NOT approved as safe.
