Class C Water Operator License Actual Exam 2026 || Most Recent
Exam 2026|2027 Actual Complete Real Exam Questions And Correct
Answers (Verified Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam | Just Released!!
Baffling inside a storage facility may be needed to prevent "hot spots"
and ____ flows. -ANSWER-straight through
A mass of concrete placed at bends and valve structures to prevent
pipeline movement is commonly called a _____. -ANSWER-thrust block
What is the main difference between surface water and groundwater
contamination? -ANSWER-groundwater takes longer to recover after
contamination
A cross-connection is a connection between an _____ and an _______
water supply. -ANSWER-approved, unapproved
According to the CDC, which mechanism or problem has caused more
waterborne disease outbreaks in the US than any other reported
factor? -ANSWER-leaking backflows
What type of water meter is used when the water flow widely
fluctuates? -ANSWER-compound
, How can mechanical damage to water meters be avoided? -ANSWER-
place it behind the curb and in a meter box
A piston meter is a _____ meter. -ANSWER-displacement
Name one advantage to using centrifugal pumps. -ANSWER-they are
easy to repair
When residential water meters become worn, they have the tendency
to ____ all flows. -ANSWER-under register
_____% of the earth's surface is ocean. -ANSWER-75
Out of all the water on earth, less than _____% of freshwater is
immediately available to humans. -ANSWER-1
The term associated with water that evaporates from living plants is
referred to as _____. -ANSWER-evapotranspiration
_____% of all the water on earth is saltwater. -ANSWER-97
Bacti sample bottles are prepared with a chemical called _____ before
they are sterilized. -ANSWER-sodium thiosulfate
Exam 2026|2027 Actual Complete Real Exam Questions And Correct
Answers (Verified Answers) Already Graded A+ | Guaranteed
Success!! Newest Exam | Just Released!!
Baffling inside a storage facility may be needed to prevent "hot spots"
and ____ flows. -ANSWER-straight through
A mass of concrete placed at bends and valve structures to prevent
pipeline movement is commonly called a _____. -ANSWER-thrust block
What is the main difference between surface water and groundwater
contamination? -ANSWER-groundwater takes longer to recover after
contamination
A cross-connection is a connection between an _____ and an _______
water supply. -ANSWER-approved, unapproved
According to the CDC, which mechanism or problem has caused more
waterborne disease outbreaks in the US than any other reported
factor? -ANSWER-leaking backflows
What type of water meter is used when the water flow widely
fluctuates? -ANSWER-compound
, How can mechanical damage to water meters be avoided? -ANSWER-
place it behind the curb and in a meter box
A piston meter is a _____ meter. -ANSWER-displacement
Name one advantage to using centrifugal pumps. -ANSWER-they are
easy to repair
When residential water meters become worn, they have the tendency
to ____ all flows. -ANSWER-under register
_____% of the earth's surface is ocean. -ANSWER-75
Out of all the water on earth, less than _____% of freshwater is
immediately available to humans. -ANSWER-1
The term associated with water that evaporates from living plants is
referred to as _____. -ANSWER-evapotranspiration
_____% of all the water on earth is saltwater. -ANSWER-97
Bacti sample bottles are prepared with a chemical called _____ before
they are sterilized. -ANSWER-sodium thiosulfate
