Class C Water Operator License Exam Questions and Answers Top Rated Latest Version

1




Class C Water Operator License Exam
Questions and Answers Top Rated Latest
Version

Question>> 1
Controlling valves regulate pressure flow and flow .
Correct
Answer>>
rates, direction



Question>> 2
A bacti sample should be taken every ft of pipe.
Correct Answer>>
1000



Question>> 3
When disinfecting a water line, use mg/L of chlorine in the main and let stand for hrs.

, 2


Correct Answer>>
50, 24

, 3



Question>> 4
A cross-connection is a connection between an and an water supply.
Correct Answer>>
approved, unapproved



Question>> 5
Ground water supply systems serving more than connections must have a total ground storage capacity of
gal/connection and elevated storage capacity of gal/connection or pressure tank capacity of gal/connection.
Correct Answer>>
50, 200, 100, 20



Question>> 6
The primary goal of coagulation, sedimentation and filtration is to remove .
Correct Answer>>
turbidity



Question>> 7
One by-product of chlorinated water is , a suspected carcinogen when consumed in water over a lifetime.
Correct Answer>>
trihalomethane