Water Treatment OIT Test with all Correct & 100%
Verified Answers |Actual Complete Update |Already
Graded A+
What units are used to measure water pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units ✔Correct Answer-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 Answer-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 effect the quality of the water/wastewater
d) Be the operator with overall operational responsibility of the system ✔Correct Answer-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 Answer-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
✔Correct Answer-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 Answer-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 Answer-
a) Any space which is not actively ventilated by an electrical ventilation system
The flow of electrical current is measured in
a) Amperes
b) Ohms
c) Volts
d) Watts ✔Correct Answer-a) Amperes
What is meant by the term 'organic compounds'? Chemical compounds that are:
a) not made from carbon
b) contain carbon, hydrogen and oxygen
c) can easily oxidize
d) can dissolve in water ✔Correct Answer-b) contain carbon, hydrogen and oxygen
The volume of chlorine increases ______ times when it is depressurized into gas
a) 100
b) 200
c) 350
d) 450 ✔Correct Answer-d) 450
What causes hardness in water?
a) high pH
b) low turbidity
c) dissolved mineral salts
d) alkalinity ✔Correct Answer-c) dissolved mineral salts
Verified Answers |Actual Complete Update |Already
Graded A+
What units are used to measure water pressure?
a) Kilowatts
b) Kilopascals
c) Horsepower
d) Head units ✔Correct Answer-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 Answer-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 effect the quality of the water/wastewater
d) Be the operator with overall operational responsibility of the system ✔Correct Answer-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 Answer-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
✔Correct Answer-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 Answer-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 Answer-
a) Any space which is not actively ventilated by an electrical ventilation system
The flow of electrical current is measured in
a) Amperes
b) Ohms
c) Volts
d) Watts ✔Correct Answer-a) Amperes
What is meant by the term 'organic compounds'? Chemical compounds that are:
a) not made from carbon
b) contain carbon, hydrogen and oxygen
c) can easily oxidize
d) can dissolve in water ✔Correct Answer-b) contain carbon, hydrogen and oxygen
The volume of chlorine increases ______ times when it is depressurized into gas
a) 100
b) 200
c) 350
d) 450 ✔Correct Answer-d) 450
What causes hardness in water?
a) high pH
b) low turbidity
c) dissolved mineral salts
d) alkalinity ✔Correct Answer-c) dissolved mineral salts
