AIT Workplace Safety & Compliance 3 — Questions and Answers
Question 1: An apprentice notices a coworker using a grinder without eye protection. The correct first action is to:
- Continue working and report it at the end of the shift
- Immediately stop the coworker and remind them to wear eye protection (Correct answer)
- File a written complaint with OSHA
- Let the journeyman handle the situation
Correct answer: Immediately stop the coworker and remind them to wear eye protection
Workplace safety is a shared responsibility and immediate intervention to stop an unsafe act prevents injury.
Question 2: Under WHMIS/GHS, the pictogram showing a flame over a circle represents:
- Flammable materials
- Oxidizers (Correct answer)
- Explosives
- Compressed gases
Correct answer: Oxidizers
A flame over a circle specifically identifies oxidizing substances that can intensify fires involving other materials.
Question 3: What is the minimum approach distance requirement for unqualified workers near energized overhead power lines at standard distribution voltages (up to 50kV)?
- 3 feet
- 6 feet
- 10 feet (Correct answer)
- 15 feet
Correct answer: 10 feet
OSHA requires unqualified workers to maintain at least 10 feet from energized power lines up to 50kV.
Question 4: A Material Safety Data Sheet lists an IDLH value for a chemical. IDLH stands for:
- Immediate Danger to Life and Health (Correct answer)
- Incident Dosage Level Hazard
- Industrial Default Limit for Hazards
- Integrated Daily Level of Harm
Correct answer: Immediate Danger to Life and Health
IDLH means Immediately Dangerous to Life or Health and represents the maximum concentration that could be escaped within 30 minutes without impairing escape.
Question 5: Which regulation requires employers to record work-related injuries and illnesses on OSHA Form 300?
- 29 CFR 1904 (Correct answer)
- 29 CFR 1910
- 29 CFR 1926
- 29 CFR 1915
Correct answer: 29 CFR 1904
29 CFR Part 1904 covers recording and reporting occupational injuries and illnesses, including requirements for OSHA Form 300.
Question 6: In a hierarchy of controls, which control method is considered most effective at eliminating hazards?
- Administrative controls
- PPE
- Engineering controls
- Elimination (Correct answer)
Correct answer: Elimination
Elimination removes the hazard entirely from the workplace and is the most effective control at the top of the hierarchy.
Question 7: When using a safety harness for fall arrest, the maximum free-fall distance permitted before the system arrests is:
- 2 feet
- 4 feet
- 6 feet (Correct answer)
- 10 feet
Correct answer: 6 feet
OSHA limits free-fall distance in personal fall arrest systems to a maximum of 6 feet to limit forces on the body.
AIT Workplace Safety & Compliance 3
An apprentice notices a coworker using a grinder without eye protection.
The correct first action is to: