Water Treatment OIT test EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
What units are used to measure water pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units - Correct Answers ✅b) Kilopascals
Which of the following is NOT an example of PPE (Personal
Protective Equipment)?
a) Exhaust fan
b) SCBA
c) Face shield
d) Traffic vest - Correct Answers ✅a) Exhaust fan
Which of the following are operators-in-training NOT allowed
to do?
a) There are no restrictions on the duties of an operator-in-
training
b) Any operational duties if not in the presence of another
operator
,Water Treatment OIT test EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
c) Anything which could effect the quality of the
water/wastewater
d) Be the operator with overall operational responsibility of
the system - Correct Answers ✅d) Be the operator with
overall operational responsibility of the system
Define the term "head" as used in hydraulic systems.
a) The block of an internal combustions engine
b) The ability of a piston pump to overcome the force of
gravity
c) The height or energy of water above a specified point
d) The distance between the liquid level and the cover of a
well - Correct Answers ✅c) The height or energy of water
above a specified point
Which of the following statements accurately describes some
of the properties of chlorine?
a) I a colourless gas which is toxic to plants and animals; is
flammable and explosive
b) Is a greenish/yellow gas with a penetrating odour; is
heavier than air
c) Is a yellowish gas with an irritating odour; insoluble in
water
, Water Treatment OIT test EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
d) Is lighter than air; soluble in water and forms a salt which
is lethal to microorganisms - Correct Answers ✅b) Is a
greenish/yellow gas with a penetrating odour; is heavier than
air
What happens when two or more different elements
combine?
a) chemical compound is formed
b) atom is created
c) molecule is formed
d) concentration is created - Correct Answers ✅a) chemical
compound is formed
What is the definition of a confined space?
a) Any space which is not actively ventilated by an electrical
ventilation system
b) Any space from which exit by an injured worker is difficult
c) Any space where hazardous gas can accumulate or an
oxygen deficient atmosphere can occur
d) Any space where the distance from floor to ceiling is less
than 3 metres - Correct Answers ✅a) Any space which is
not actively ventilated by an electrical ventilation system
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
What units are used to measure water pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units - Correct Answers ✅b) Kilopascals
Which of the following is NOT an example of PPE (Personal
Protective Equipment)?
a) Exhaust fan
b) SCBA
c) Face shield
d) Traffic vest - Correct Answers ✅a) Exhaust fan
Which of the following are operators-in-training NOT allowed
to do?
a) There are no restrictions on the duties of an operator-in-
training
b) Any operational duties if not in the presence of another
operator
,Water Treatment OIT test EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
c) Anything which could effect the quality of the
water/wastewater
d) Be the operator with overall operational responsibility of
the system - Correct Answers ✅d) Be the operator with
overall operational responsibility of the system
Define the term "head" as used in hydraulic systems.
a) The block of an internal combustions engine
b) The ability of a piston pump to overcome the force of
gravity
c) The height or energy of water above a specified point
d) The distance between the liquid level and the cover of a
well - Correct Answers ✅c) The height or energy of water
above a specified point
Which of the following statements accurately describes some
of the properties of chlorine?
a) I a colourless gas which is toxic to plants and animals; is
flammable and explosive
b) Is a greenish/yellow gas with a penetrating odour; is
heavier than air
c) Is a yellowish gas with an irritating odour; insoluble in
water
, Water Treatment OIT test EXAM
QUESTIONS AND ANSWERS 100%
SOLVED (Newest 2025)
d) Is lighter than air; soluble in water and forms a salt which
is lethal to microorganisms - Correct Answers ✅b) Is a
greenish/yellow gas with a penetrating odour; is heavier than
air
What happens when two or more different elements
combine?
a) chemical compound is formed
b) atom is created
c) molecule is formed
d) concentration is created - Correct Answers ✅a) chemical
compound is formed
What is the definition of a confined space?
a) Any space which is not actively ventilated by an electrical
ventilation system
b) Any space from which exit by an injured worker is difficult
c) Any space where hazardous gas can accumulate or an
oxygen deficient atmosphere can occur
d) Any space where the distance from floor to ceiling is less
than 3 metres - Correct Answers ✅a) Any space which is
not actively ventilated by an electrical ventilation system
