OIT Safety and Compliance 3

Question 1

Under Ontario's Industrial Establishments Regulation (O. Reg. 851), what must an employer do when a machine guard is removed for maintenance?

Accepted Answer

Ensure the machine is locked out and the guard replaced before restarting

Answer

O. Reg. 851 requires that machines be locked out before guards are removed, and guards must be reinstalled before the machine is returned to service.

Question 2

What does WHMIS stand for in the context of Ontario industrial safety?

Accepted Answer

Workplace Hazardous Materials Information System

Answer

WHMIS stands for Workplace Hazardous Materials Information System, a national hazard communication standard for controlled products.

Question 3

When working at heights above 3 metres in Ontario industrial settings, what fall protection measure is typically required?

Accepted Answer

A fall arrest system or guardrails must be in place

Answer

Ontario regulations require fall protection such as guardrails, safety nets, or personal fall arrest systems when working at heights of 3 metres or more.

Question 4

A worker refuses work they believe is unsafe under OHSA. What is the correct immediate action for the worker?

Accepted Answer

Report the refusal to the supervisor and remain available on the premises

Answer

Under OHSA, a worker who refuses unsafe work must immediately notify the supervisor and remain at a safe place on the premises pending investigation.

Question 5

Which of the following is an example of an administrative control in the hierarchy of hazard controls?

Accepted Answer

Rotating workers to reduce repetitive strain exposure

Answer

Administrative controls change how work is done — job rotation is a classic example that reduces exposure duration rather than eliminating the hazard.

(OIT) Operator in Training Practice Test

(OIT) Operator in Training Practice Test

OIT Safety and Compliance 3