Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
1.
Ideally, water mains should be flushed at what rate?
2.
Records on bacterial analysis should be kept for a minimum of?
3.
If a water main can not be installed at an adequate depth to prevent freezing, Styrofoam insolation board can be used to protect the water in the pipe from freezing. How far above the pipe does the Styrofoam insulation need to be installed?
4.
What type of map provides a clear picture of the entire water distribution system?
5.
The disinfection action of chlorine as the water temperature increases will what?
6.
Chlorine applied minus chlorine remaining is?
7.
What effect will algae in a reservoir have on dissolved oxygen?
8.
How is the capacity of a centrifugal pump related to the total head?
9.
What type of water distribution system configuration has interconnected water mains?
10.
What is a measure of a materials opposition to the flow of electric current?
11.
What water quality report must the water supplier provide to its consumers every year?
12.
Acid should always be diluted into water.
13.
The powder substance in a Bac-T sample bottle is?
14.
What type of polar bonds are between the hydrogen atoms and the oxygen atom in water?
15.
What parts on a centrifugal pump restricts flow between the impeller discharge and suction areas?
16.
What will a flexible diaphragm coupling compensate for in angular movement?
17.
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?
18.
A yellow fire hydrant body with a blue cap flows at?
19.
A revised drawing created and submitted by a contractor after a construction project is finished is?
20.
To ease installation of impeller wear rings, they can be?
21.
On a brand new pump, when should the first oil change be done?
22.
What agency establishes drinking water standards in the United States of America?
23.
If a water system fails to collect their water distribution system samples, under which public notification tier would the water system fall under?
24.
What rule that sets MCL's for harmful chemicals?
25.
What type of pipe is plastic?
