Water Operator Certification Study Material ( New Mexico) Most
Recent Exam 2025-2026 Actual Comprehensive Real Exam
Questions And Verified Answers | With 100% Correct Answers
/ Graded A+ Guaranteed Success!! | Newest Exam | Just
Released!!
As part of the normal water cycle water is lost,or givenup, to the
atmosphere by
trees and by evaporation from the surface of streams,lakes
and oceans. This
combined loss is called? - ANSWER-
Evapotranspiration
What is meant by Disinfection? - ANSWER-Destruction of
Pathogens
What are some of the uses fro chlorine other then
Disinfection? - ANSWER-
Removal of Iron & Manganese some kinds of Taste &
Odors, and some
dissolved gases, such as Ammonia and
Hydrogen Sulfide
,What are Trihalomethanes? - ANSWER-byprouducts of drinking
water chlorination. these byprouducts form when chlorine
reacts with dissolved natural organic matter, moslty plant life
What health risks do Trihalomethanes (THM) cause? -
ANSWER-
Causeproblems with liver, kidney,or central nervous systems,
and may increase cancer Risk. Also THMs have possible
reprouductive health risks
What is used to locate Chlorine leaks? - ANSWER-Ammonia
Chlorine Gas is ____ time heavier then air? - ANSWER-2.5 times
What are Chloramines - ANSWER-Chloramines are
disinfectants used to treat drinking water. Chloramines are
most commonly formed when ammonia is added to chlorine to
treat drinking water. The typical purpose of chloramines is to
provide longer-lasting water treatment as the water moves
through pipes to consumers. This type of disinfection is known
as secondary disinfection.
If a single Chlorine Cylinder freezes, What is wrong? -
ANSWER-Feed rate is
too
high
Sodium Hypochlorite is found in which type of chlorine? -
ANSWER-Bleach
, Breakpoint chlorination - ANSWER-Results in a free chlorine
residual
If gas is ventiing from the relief valve on a chlorinator where
should you look for
the problem? - ANSWER-The Pressure
regulating valve
When two ton cylinders are feeding gas and one of them is
frosted, what might
bw the problem? - ANSWER-The feed rate
is too high
There is low vacuum on the system and the flow rate is low when
the rate valve
is wide open, what is the problem? - ANSWER-The
injector is clogged
What two acids are formed when Chlorine reacts with
water? - ANSWER-
Hypochlorus acid &
Hydrochloric acid
What is the Maximum feed rate for a 150 lb Cylinder? -
ANSWER-40 lbs per
day
Recent Exam 2025-2026 Actual Comprehensive Real Exam
Questions And Verified Answers | With 100% Correct Answers
/ Graded A+ Guaranteed Success!! | Newest Exam | Just
Released!!
As part of the normal water cycle water is lost,or givenup, to the
atmosphere by
trees and by evaporation from the surface of streams,lakes
and oceans. This
combined loss is called? - ANSWER-
Evapotranspiration
What is meant by Disinfection? - ANSWER-Destruction of
Pathogens
What are some of the uses fro chlorine other then
Disinfection? - ANSWER-
Removal of Iron & Manganese some kinds of Taste &
Odors, and some
dissolved gases, such as Ammonia and
Hydrogen Sulfide
,What are Trihalomethanes? - ANSWER-byprouducts of drinking
water chlorination. these byprouducts form when chlorine
reacts with dissolved natural organic matter, moslty plant life
What health risks do Trihalomethanes (THM) cause? -
ANSWER-
Causeproblems with liver, kidney,or central nervous systems,
and may increase cancer Risk. Also THMs have possible
reprouductive health risks
What is used to locate Chlorine leaks? - ANSWER-Ammonia
Chlorine Gas is ____ time heavier then air? - ANSWER-2.5 times
What are Chloramines - ANSWER-Chloramines are
disinfectants used to treat drinking water. Chloramines are
most commonly formed when ammonia is added to chlorine to
treat drinking water. The typical purpose of chloramines is to
provide longer-lasting water treatment as the water moves
through pipes to consumers. This type of disinfection is known
as secondary disinfection.
If a single Chlorine Cylinder freezes, What is wrong? -
ANSWER-Feed rate is
too
high
Sodium Hypochlorite is found in which type of chlorine? -
ANSWER-Bleach
, Breakpoint chlorination - ANSWER-Results in a free chlorine
residual
If gas is ventiing from the relief valve on a chlorinator where
should you look for
the problem? - ANSWER-The Pressure
regulating valve
When two ton cylinders are feeding gas and one of them is
frosted, what might
bw the problem? - ANSWER-The feed rate
is too high
There is low vacuum on the system and the flow rate is low when
the rate valve
is wide open, what is the problem? - ANSWER-The
injector is clogged
What two acids are formed when Chlorine reacts with
water? - ANSWER-
Hypochlorus acid &
Hydrochloric acid
What is the Maximum feed rate for a 150 lb Cylinder? -
ANSWER-40 lbs per
day
