1 of 85
Term
Which of the following is buried valve that connects a water main to
a service lateral?
Give this one a try later!
Corporation stop Double check valve
Cross connection Cistern
Don't know?
, 2 of 85
Term
What is installed at the top of a well to prevent contamination of
groundwater from the surface?
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Water table Cement grout
Mechanical seal Sanitary seal
Don't know?
3 of 85
Term
What is the maximum advisable rate of chlorine gas removal from a
150-pound cylinder?
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40 lbs/day 80 lbs/day
60 lbs/day 20 lbs/day
Don't know?
, 4 of 85
Term
What causes scaling in a pipe?
Give this one a try later!
hardness ph
cavitation color
Don't know?
5 of 85
Term
What should be installed on the pipeline if the flow changes
directions?
Give this one a try later!
Ejector Cross connection
Booster pumps Thrust block or restraint
Don't know?
, 6 of 85
Term
What is one of the drawbacks of dead end water main?
Give this one a try later!
To protect human health Increase chlorine demand
Trihalomethane (THM) You have to flush more
Don't know?
7 of 85
Term
Which of the following is a type of positive displacement water
meter?
Give this one a try later!
nutating-disk meter proportional meter
gate valve actuator
Don't know?
Term
Which of the following is buried valve that connects a water main to
a service lateral?
Give this one a try later!
Corporation stop Double check valve
Cross connection Cistern
Don't know?
, 2 of 85
Term
What is installed at the top of a well to prevent contamination of
groundwater from the surface?
Give this one a try later!
Water table Cement grout
Mechanical seal Sanitary seal
Don't know?
3 of 85
Term
What is the maximum advisable rate of chlorine gas removal from a
150-pound cylinder?
Give this one a try later!
40 lbs/day 80 lbs/day
60 lbs/day 20 lbs/day
Don't know?
, 4 of 85
Term
What causes scaling in a pipe?
Give this one a try later!
hardness ph
cavitation color
Don't know?
5 of 85
Term
What should be installed on the pipeline if the flow changes
directions?
Give this one a try later!
Ejector Cross connection
Booster pumps Thrust block or restraint
Don't know?
, 6 of 85
Term
What is one of the drawbacks of dead end water main?
Give this one a try later!
To protect human health Increase chlorine demand
Trihalomethane (THM) You have to flush more
Don't know?
7 of 85
Term
Which of the following is a type of positive displacement water
meter?
Give this one a try later!
nutating-disk meter proportional meter
gate valve actuator
Don't know?
