2024 OWW OIT EXAM PREP WITH CORRECT ANSWERS

2024 OWW OIT EXAM PREP WITH
CORRECT ANSWERS
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What units are used to measure water pressure?

A) Kilowatts
B) Kilopascals (kPa)
C) Horsepower
D) Head Units - CORRECT-ANSWERSB) Kilopascals (kPa)

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-ANSWERSC) Any space where hazardous gas can accumulate or an
oxygen deficient atmosphere can occur

The volume of chlorine increases ______ times when it is depressurized into
gas

A) 100
B) 200
C) 350
D) 450 - CORRECT-ANSWERSD) 450

What causes hardness in water?
A) high pH
B) low turbidity
C) dissolved mineral salts
D) alkalinity - CORRECT-ANSWERSC) dissolved mineral salts

What is the main purpose of the Safe Drinking Water Act?

A) Certify operators
B) Protect human health
C) Supervise drinking water systems