Welcome to the Water Treatment Operator Practice Test.
Choose the best possible answer to the question.
1.
How often should the fluoride concentration be measured in treated water?
3.
What is a universal solvent?
4.
What is used to prevent water from entering a gas chlorinator?
5.
If sodium hypochlorite comes into contact with the skin or eyes, the area should be flushed with water for at least 15 minutes.
6.
In the ion exchange softening process, once the resin can no longer soften water it must?
7.
What type of self-contained breathing apparatus should be used at water plants?
8.
Giardia Lamblia is transmitted?
9.
What type of algae would most likely be found in nutrient rich water?
10.
What was created to have uniform standards in Water Treatment?
11.
What type of charge do the compounds that form when iron or aluminum salts react with water have?
12.
When filter run times between backwashes are long, like one week, because low turbidity water is being applied to the filters, what problem could still arise?
13.
What chemical can be created by certain bacterial organisms and accelerate the corrosion process?
14.
The type of filter that provides the lowest flow per square foot of surface are is?
15.
What does total alkalinity refer to?
16.
Water treatment chemicals are added based on?
17.
The Zeta Protentional measures the number of excess what found on the surface of all particular matter?
18.
In gram staining, part of the coliform verification is?
19.
If there is debris found in the filter bed after backwashing a filter this can indicate?
20.
What does it mean when a filter is ripening?
21.
What oxidant has a potential of producing ClO3 by products?
22.
Monthly sampling results must be reported by the water purveyor?
23.
Plant growth in a reservoir will usually be found at a depth of?
24.
The acronym BAT stands for
25.
What is the term that defines the calculation of a water plants physical property due wear and tear?