WATER TREATMENT OIT TEST EXAM
2025/2026 QUESTIONS AND ANSWERS
100% PASS
b) Kilopascals - ANS What units are used to measure water pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units
a) Exhaust fan - ANS Which of the following is NOT an example of PPE (Personal Protective
Equipment)?
a) Exhaust fan
b) SCBA
c) Face shield
d) Traffic vest
d) Be the operator with overall operational responsibility of the system - ANS Which of the
following are operators-in-training NOT allowed to do?
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, 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
c) Anything which could effect the quality of the water/wastewater
d) Be the operator with overall operational responsibility of the system
c) The height or energy of water above a specified point - ANS 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
b) Is a greenish/yellow gas with a penetrating odour; is heavier than air - ANS 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
d) Is lighter than air; soluble in water and forms a salt which is lethal to microorganisms
a) chemical compound is formed - ANS What happens when two or more different elements
combine?
a) chemical compound is formed
b) atom is created
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
2025/2026 QUESTIONS AND ANSWERS
100% PASS
b) Kilopascals - ANS What units are used to measure water pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units
a) Exhaust fan - ANS Which of the following is NOT an example of PPE (Personal Protective
Equipment)?
a) Exhaust fan
b) SCBA
c) Face shield
d) Traffic vest
d) Be the operator with overall operational responsibility of the system - ANS Which of the
following are operators-in-training NOT allowed to do?
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, 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
c) Anything which could effect the quality of the water/wastewater
d) Be the operator with overall operational responsibility of the system
c) The height or energy of water above a specified point - ANS 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
b) Is a greenish/yellow gas with a penetrating odour; is heavier than air - ANS 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
d) Is lighter than air; soluble in water and forms a salt which is lethal to microorganisms
a) chemical compound is formed - ANS What happens when two or more different elements
combine?
a) chemical compound is formed
b) atom is created
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
