AIT Safety Practices 5 — Questions and Answers
Question 1: What is the purpose of a toolbox talk (safety briefing) conducted at the start of a work shift?
- To document productivity goals for the day
- To inform workers of specific hazards and safety procedures relevant to the day's tasks (Correct answer)
- To review disciplinary records of workers on site
- To assign which workers are responsible for cleanup
Correct answer: To inform workers of specific hazards and safety procedures relevant to the day's tasks
Toolbox talks are short, informal safety meetings that focus on specific hazards present in that day's work, keeping safety top of mind for all workers.
Question 2: Which type of respirator provides protection against both particulates and chemical vapors?
- N95 filtering facepiece
- Supplied-air respirator
- Combination respirator (particulate filter + organic vapor cartridge) (Correct answer)
- Dust mask (surgical-style)
Correct answer: Combination respirator (particulate filter + organic vapor cartridge)
A combination respirator uses both a particulate filter and a chemical cartridge, protecting against dust, mists, and vapors simultaneously.
Question 3: If a chemical is classified as IDLH, what does that mean for workers?
- The chemical requires Immediate Dilution for Low Humidity conditions
- The chemical is at a concentration Immediately Dangerous to Life or Health (Correct answer)
- The chemical is an Inhalation Danger to Lungs and Hair
- The chemical must be Identified, Documented, Listed, and Handled with care
Correct answer: The chemical is at a concentration Immediately Dangerous to Life or Health
IDLH (Immediately Dangerous to Life or Health) describes concentrations that would cause death, irreversible health effects, or prevent escape within 30 minutes.
Question 4: A scaffold platform must be planked within how many inches of the uprights to prevent falls through gaps, per OSHA?
- 6 inches
- 9 inches
- 14 inches (Correct answer)
- 18 inches
Correct answer: 14 inches
OSHA 1926.451 requires scaffold planks to be installed within 14 inches of the uprights on each end unless a guardrail is in place to prevent falls.
Question 5: What is the correct action when a worker experiences symptoms of heat exhaustion on a job site?
- Have the worker push through it and drink water while continuing to work
- Move the worker to a cool area, provide fluids, and seek medical attention if symptoms worsen (Correct answer)
- Immediately submerge the worker in ice water
- Have the worker rest for 5 minutes then resume full duties
Correct answer: Move the worker to a cool area, provide fluids, and seek medical attention if symptoms worsen
Heat exhaustion requires moving the worker to a cool environment, hydration, and medical monitoring because it can progress to heat stroke if untreated.
Question 6: Which document formally grants permission to perform hot work (welding, cutting, or grinding) in a restricted area?
- A verbal authorization from the supervisor
- A hot work permit signed by authorized personnel (Correct answer)
- An SDS for the materials being welded
- A standard work order form
Correct answer: A hot work permit signed by authorized personnel
A hot work permit identifies hazards, required precautions, fire watch requirements, and is signed by authorized personnel before any ignition-risk work begins.
Question 7: Under OSHA regulations, within how many hours must an employer report a work-related fatality to OSHA?
- 4 hours
- 8 hours (Correct answer)
- 24 hours
- 72 hours
Correct answer: 8 hours
OSHA requires employers to report work-related fatalities to OSHA within 8 hours of learning about the incident.
AIT Safety Practices 5
What is the purpose of a toolbox talk (safety briefing) conducted at the start of a work shift?