OIT Safety and Compliance 2

Question 1

Under the Occupational Health and Safety Act (OHSA) in Ontario, what is the primary duty of a constructor at a project site?

Accepted Answer

Ensure the health and safety of all workers on the project

Answer

A constructor has the highest duty on a project site and must ensure the health and safety of all workers, including those of subcontractors.

Question 2

Which document must an employer provide to a worker before the worker is exposed to a hazardous material in Ontario?

Accepted Answer

Safety Data Sheet (SDS)

Answer

Employers must provide workers with a Safety Data Sheet (SDS) before exposure to any controlled product under WHMIS regulations.

Question 3

A lockout/tagout procedure is required when a worker must:

Accepted Answer

Service, maintain, or repair equipment where unexpected energization could occur

Answer

Lockout/tagout (LOTO) is required to isolate and de-energize equipment before servicing to prevent unexpected startup.

Question 4

In Ontario, what is the maximum load a single worker is typically expected to manually lift without mechanical assistance under ergonomic guidelines?

Accepted Answer

23 kg

Answer

Ontario ergonomic guidelines recommend a maximum manual lift of approximately 23 kg (50 lbs) for a single worker under ideal conditions.

Question 5

Which class of fire extinguisher is appropriate for electrical equipment fires?

Accepted Answer

Class C

Answer

Class C extinguishers are rated for electrical equipment fires and use non-conductive agents to suppress flames.

(OIT) Operator in Training Practice Test