UPDATED ACTUAL Questions and
CORRECT Answers
What is removed at the raw water intake? - CORRECT ANSWER- ✔✔Fish and debris
What is more likely to be found in groundwater? - CORRECT ANSWER-
✔✔Trihalomethane
What is most commonly used to control algae growth in reservoirs? - CORRECT ANSWER-
✔✔copper sulfate
What are common filtration rates in gravity filtration? - CORRECT ANSWER- ✔✔2 to 10
GPM/sq.ft.
Leakage within a centrifugal pump is intended for what purpose? - CORRECT ANSWER-
✔✔Cool moving parts
What is the definition of a grab sample? - CORRECT ANSWER- ✔✔A single sample of
water collected at a particular time and place which represents the composition of the water
only at that time and place.
Adding sodium hypochlorite to water will have what effect? - CORRECT ANSWER-
✔✔Increase pH
What is the purpose of the groundwater rule? - CORRECT ANSWER- ✔✔To protect the
groundwater from disease-causing microorganisms
What is true about the total coliform rule? - CORRECT ANSWER- ✔✔Establishes an MCL
based on the presence and absence of total coliform or E. coli