CSO - Common Safety Orientation Hazard Recognition and Control Questions and Answers

Question 1

According to the hierarchy of controls, which of the following actions is considered the most effective method for controlling a hazard?

Accepted Answer

Physically removing the hazardous substance from the workplace entirely.

Answer

Replacing a toxic cleaning chemical with a non-toxic alternative.

Answer

Requiring workers to wear respirators and chemical-resistant gloves.

Answer

Posting warning signs in the area where the hazardous chemical is used.

Question 2

A worker on a construction site notices a large, unsecured puddle of oil on a main walkway, creating a significant slip hazard. What is the most appropriate immediate action for the worker to take?

Accepted Answer

Barricade or guard the area to prevent others from entering and report the hazard to their supervisor.

Answer

Clean up the spill themselves, regardless of their training.

Answer

Assume someone else has already reported it and walk around it.

Answer

Wait until the end of their shift to report the near miss.

Question 3

Which of the following is best classified as an ergonomic hazard?

Accepted Answer

Poorly designed workstations that require workers to perform tasks in awkward postures.

Answer

A frayed electrical cord on a power tool.

Answer

Loud, continuous noise from machinery.

Answer

Exposure to airborne viruses in a healthcare setting.

Question 4

Installing a guardrail around an elevated platform is an example of which type of hazard control?

Accepted Answer

Engineering Control

Answer

Substitution

Answer

Personal Protective Equipment (PPE)

Answer

Administrative Control

Question 5

Which of the following is a primary goal of conducting a worksite hazard assessment?

Accepted Answer

To identify existing and potential dangers in order to implement controls and prevent incidents.

Answer

To assign blame for previous incidents.

Answer

To fulfill a training requirement without taking action.

Answer

To exclusively focus on what PPE workers should be wearing.

Question 6

A team is tasked with working in a noisy environment where the sound level consistently exceeds safe limits. According to the hierarchy of controls, what is the LEAST effective, last-resort option for protecting the workers?

Accepted Answer

Providing all workers with properly fitted earplugs (PPE).

Answer

Replacing the noisy machine with a quieter model (Substitution).

Answer

Building a soundproof enclosure around the machine (Engineering Control).

Answer

Rotating workers so each individual spends less time in the noisy area (Administrative Control).