STSC Hazard Identification and Control 4

Question 1

When conducting a Job Hazard Analysis (JHA), what is the FIRST step a supervisor should take?

Accepted Answer

Select the job to be analyzed

Answer

The first step in a JHA is selecting the job to be analyzed, typically prioritizing jobs with high injury rates or severe potential consequences.

Question 2

Which type of hazard control is considered MOST effective according to the hierarchy of controls?

Accepted Answer

Elimination

Answer

Elimination — physically removing the hazard — is the most effective control because it completely removes the risk from the workplace.

Question 3

A construction worker notices a trench wall showing signs of cracking and bulging. This is an example of which type of hazard?

Accepted Answer

Physical hazard

Answer

Cracking and bulging trench walls indicate an imminent cave-in, which is a physical hazard involving structural instability.

Question 4

What does the term 'near miss' mean in the context of construction safety?

Accepted Answer

An unplanned event that did not result in injury but had the potential to do so

Answer

A near miss is an unplanned event with potential to cause injury or damage but did not — it is a critical leading indicator for preventing future accidents.

Question 5

Which federal standard requires construction employers to have a written Hazard Communication program when hazardous chemicals are present?

Accepted Answer

29 CFR 1926.59

Answer

29 CFR 1926.59 (Hazard Communication) requires construction employers to maintain a written HazCom program and ensure workers are informed about chemical hazards.

(STSC) Safety Trained Supervisor Construction Practice Test

(STSC) Safety Trained Supervisor Construction Practice Test

STSC Hazard Identification and Control 4