OIT Industry Regulations 3 — Questions and Answers
Question 1: Under the Ontario Electrical Safety Code, what is the minimum working clearance in front of energized electrical panels rated at 0–150 volts to ground?
- 0.6 metres
- 0.9 metres (Correct answer)
- 1.2 metres
- 1.5 metres
Correct answer: 0.9 metres
The Ontario Electrical Safety Code requires a minimum working clearance of 0.9 metres in front of energized equipment rated 0–150 volts to ground.
Question 2: Which body administers the Trades Qualification and Apprenticeship Act and oversees compulsory trades certification in Ontario?
- Ontario College of Trades (OCOT)
- Ministry of Labour, Immigration, Training and Skills Development (Correct answer)
- Ontario Safety Association for Community and Healthcare
- Technical Standards and Safety Authority
Correct answer: Ministry of Labour, Immigration, Training and Skills Development
Following the dissolution of OCOT, the Ministry of Labour, Immigration, Training and Skills Development now administers trades certification and apprenticeship in Ontario.
Question 3: What does 'compulsory trade' mean under Ontario trades legislation?
- Only unionized workers may perform the work
- The trade must be performed by a certified journeyperson or registered apprentice (Correct answer)
- The trade requires federal licensing in addition to provincial
- Employers must compulsorily train at least one apprentice per journeyperson
Correct answer: The trade must be performed by a certified journeyperson or registered apprentice
In a compulsory trade, the work may only be performed by a certified journeyperson or an apprentice working under proper supervision, protecting public safety.
Question 4: Under WHMIS 2015, which pictogram indicates a substance is an oxidizing gas?
- Flame over circle (Correct answer)
- Exploding bomb
- Corrosion symbol
- Skull and crossbones
Correct answer: Flame over circle
The flame over circle pictogram in WHMIS 2015 specifically identifies oxidizing gases, liquids, and solids that can intensify combustion.
Question 5: What is the maximum noise exposure level (dBA) permitted for an 8-hour workday under Ontario's industrial health regulations?
- 80 dBA
- 85 dBA
- 90 dBA (Correct answer)
- 95 dBA
Correct answer: 90 dBA
Ontario Regulation 851 sets 90 dBA as the maximum permissible noise exposure level for an 8-hour workday in industrial establishments.
Question 6: Which Ontario Act regulates the safe handling, transportation, and disposal of hazardous waste generated at industrial sites?
- Ontario Water Resources Act
- Environmental Protection Act (Correct answer)
- Clean Water Act
- Nutrient Management Act
Correct answer: Environmental Protection Act
The Ontario Environmental Protection Act governs the management, transportation, and disposal of hazardous and liquid industrial waste.
Question 7: A joint health and safety committee is required under OHSA when a workplace has how many regularly employed workers?
- 5 or more
- 10 or more
- 20 or more (Correct answer)
- 50 or more
Correct answer: 20 or more
Ontario's OHSA requires a Joint Health and Safety Committee (JHSC) in workplaces with 20 or more regularly employed workers.
OIT Industry Regulations 3
Under the Ontario Electrical Safety Code, what is the minimum working clearance in front of energized electrical panels rated at 0–150 volts to ground?