Welcome to the 25 Question Water Distribution Practice Test.
Choose the best possible answer to the question.
2.
The maximum chlorine withdraw rate from a 1 ton cylinder is?
3.
Newly installed water mains should be flushed
5.
A pro of chloramines is?
6.
What are the action levels for lead and copper?
7.
The fluoride concentration in drinking water is set in relation to?
8.
If two different metals like copper and iron pipe are joined together, this will cause?
9.
What is the highest degree of backlfow protection?
10.
The slope method to prevent trench cave ins require what slope ratio?
11.
The difference between the amount of chlorine added to water and the chlorine residual remaining in the water after a given contact time is?
12.
The more hydroxide ions
13.
What type of pipe joint consists of two machined surfaces?
14.
Centrifugal force is generated?
15.
1 cubic foot of water =
16.
Yellow hydrant body with a green cap signals?
17.
In order for a sample to be considered a, "First Draw Sample" for Lead & Copper testing, the water must?
18.
Water that requires a large amount of soap to get a lather is?
19.
What corrosion inhibitor is most effective in control of lead in a distribution system?
20.
An underground geological water bearing formation is?
21.
Yellow hydrant body with an orange cap signals?
22.
If a water storage tank is located far from the water system, what type of problem during peak demand would the water system probably have?
23.
What is the maximum theoretical suction lift of a centrifugal pump at sea level?
24.
What valve is used to dampen water hammer?
25.
A water source that flows continuously at all times of the year is called?
