Water Treatment OIT Test Questions With
Correct Answers
What units are used to measure water pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units - ✔✔✔ - 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 - ✔✔✔ - 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
c) Anything which could affect the quality of the water/wastewater
d) Be the operator with overall operational responsibility of the system - ✔✔✔ - 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 - ✔✔✔ - 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
d) Is lighter than air; soluble in water and forms a salt which is lethal to microorganisms - ✔✔✔ - 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 - ✔✔✔ - 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 - ✔✔✔ - a) Any space
which is not actively ventilated by an electrical ventilation system
The flow of electrical current is measured in
Correct Answers
What units are used to measure water pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units - ✔✔✔ - 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 - ✔✔✔ - 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
c) Anything which could affect the quality of the water/wastewater
d) Be the operator with overall operational responsibility of the system - ✔✔✔ - 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 - ✔✔✔ - 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
d) Is lighter than air; soluble in water and forms a salt which is lethal to microorganisms - ✔✔✔ - 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 - ✔✔✔ - 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 - ✔✔✔ - a) Any space
which is not actively ventilated by an electrical ventilation system
The flow of electrical current is measured in
