Wise Test WISE Content Areas 3 — Questions and Answers
Question 1: What is the primary purpose of a Job Hazard Analysis (JHA)?
- To document employee performance issues
- To identify hazards associated with each step of a job task (Correct answer)
- To calculate workers' compensation costs
- To schedule equipment maintenance
Correct answer: To identify hazards associated with each step of a job task
A JHA breaks a job into steps and identifies potential hazards at each step, then determines preventive measures.
Question 2: Which fire extinguisher class is designed for use on electrical equipment fires?
- Class A
- Class B
- Class C (Correct answer)
- Class D
Correct answer: Class C
Class C extinguishers use non-conductive agents safe for energized electrical equipment fires.
Question 3: OSHA requires that employers maintain OSHA 300 Logs for a minimum of how many years?
- 2 years
- 3 years
- 5 years (Correct answer)
- 7 years
Correct answer: 5 years
Employers must retain OSHA 300 Logs, 300A Summaries, and 301 Incident Reports for five years following the end of the calendar year they cover.
Question 4: Which condition would make a ladder unsafe to use according to OSHA regulations?
- The ladder is rated for 250 lbs and the worker weighs 200 lbs
- The ladder has a cracked side rail (Correct answer)
- The ladder is aluminum and work is done near power lines at 15 feet
- The ladder extends 3 feet above the landing surface
Correct answer: The ladder has a cracked side rail
A cracked side rail is a structural defect requiring the ladder to be immediately removed from service and tagged 'Do Not Use.'
Question 5: What does the hierarchy of controls prioritize as the MOST effective way to reduce workplace hazards?
- Administrative controls
- PPE
- Elimination (Correct answer)
- Engineering controls
Correct answer: Elimination
Elimination—physically removing the hazard from the workplace—is the most effective control because it removes the risk entirely rather than managing it.
Question 6: An employee working with a pneumatic nail gun accidentally fires it and injures a coworker. This is BEST categorized as what type of incident?
- Near miss
- First aid incident
- Recordable incident (Correct answer)
- OSHA reportable fatality
Correct answer: Recordable incident
An injury requiring more than basic first aid treatment qualifies as an OSHA recordable incident and must be logged on the OSHA 300 form.
Question 7: Noise-induced hearing loss in the workplace is addressed under which OSHA standard?
- 29 CFR 1910.132 – PPE General
- 29 CFR 1910.95 – Occupational Noise Exposure (Correct answer)
- 29 CFR 1910.134 – Respiratory Protection
- 29 CFR 1910.1000 – Air Contaminants
Correct answer: 29 CFR 1910.95 – Occupational Noise Exposure
OSHA's Occupational Noise Exposure standard (29 CFR 1910.95) establishes permissible noise levels and requires hearing conservation programs.
What is the primary purpose of a Job Hazard Analysis (JHA)?