Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
Why do insulators usually fail?
2.
Water in a storage tank on a hill above a town has energy by virtue of its elevation. This difference from the tank to the town is called?
3.
What type of joint for connecting water pipes has the disadvantage of having a groove that weakens the pipe wall?
4.
Water meters that can register small flows as well as large flows are?
5.
What test is used to indicate the corrosion or scaling rate?
6.
What is the most common problem with a hypochlorinator?
7.
A 1 ton cylinder filled with chlorine weighs approximately?
8.
A type of joint for polyvinyl chloride piping would be a bell and spigot.
9.
What is the only MCL that varies with the temperature?
10.
If an operator gets sodium hypochlorite on their skin or in their eyes, immediately flush with water for how long?
11.
What is the recommended free chlorine residual for the furthest point in the water distribution system?
12.
Fire demand can account for what percentage of total capacity of a storage system?
13.
The arrangement of water pumps in parallel is typically used to?
14.
What type of meter determines the total flow by multiplying the flow through the meter by a factor?
15.
Chlorine is chosen over chloramines because chlorine?
16.
The lowest layer in a reservoir is?
17.
What is the unit of measurement used to express velocity in a water pipe?
18.
A measurement of the interior roughness of a pipe is?
19.
Acid should always be diluted into water.
20.
What is an appropriative water right?
21.
The proper emergency kit for a TON chlorine cylinder is?
22.
What can be used to control scaling, but can never be used to control corrosion?
23.
What type of meter is usually 2" and under and sensitive to low flow rates?
24.
When gas chlorinators operate at a high rate of withdrawal, what may happen?
25.
What type of polar bonds are between the hydrogen atoms and the oxygen atom in water?
