Water Treatment Plant Operation chapter 1 plant
operator Exam Questions and Answers 100% Pass
Many Sources of water are directly suitable for drinking purposes without treatment - ✔✔False
Water treatment plant operators have the responsibility for the health and well-being of the community
they serve - ✔✔True
The use of pre chlorination often reduces chlorine requirements for post chlorination - ✔✔True
A well guided tour of your plant for other operators may provide them with sufficient understanding of
your plant to allow them to suggest helpful solutions to operational problem - ✔✔True
Your records showing that you are producing a safe drinking water will mean nothing to visitors unless
your plant appears clean and well maintained - ✔✔True
Safety is a very important operator responsibility - ✔✔True
Most accidents result from carelessness or negligence - ✔✔True
What is the purpose of a Water Treatment plant?
a) To modify source waters
b) To provide safe and pleasant drinking water
c) To provide work experience for operators
d) To treat drinking water - ✔✔b) To provide safe and pleasant drinking water
What is the purpose of the clear well?
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE
, 2|Page
a) To control corrosion
b) to filter out suspended solids/particles
c)To kill most disease causing organisms and help control taste and odor causing substances
d) To provide chlorine contact time for disinfection and store water for high demand - ✔✔d) To provide
chlorine contact time for disinfection and store water for high demand
What is the purpose of filtration?
a) To control corrosion
b) to filter out fine particles
c) to gather together fine, light particles to form larger particles (floc) to aid the sedimentation and
filtration process
d) to settle out larger suspended particles - ✔✔b) to filter out fine particles
What is the purpose of coagulation-flocculation?
a) To control corrosion
b) to filter out fine particles
c) to gather together fine, light particles to form larger particles (floc) to aid the sedimentation and
filtration process
d)to settle out larger suspended particles - ✔✔to gather together fine, light particles to form larger
particles (floc) to aid the sedimentation and filtration process
What is the main purpose of a water treatment plant's intake structure?
a) To draw in water while preventing leaves and other debris from clogging or damaging pumps
b) To ensure fish passage without undue harm to the fishery
Created by Katelyn Whitman © 2025, All Rights Reserved. 100% PASS GUARANTEE