AIT Workplace Safety & Compliance 4 — Questions and Answers
Question 1: Which OSHA standard covers process safety management (PSM) of highly hazardous chemicals?
- 29 CFR 1910.119 (Correct answer)
- 29 CFR 1910.120
- 29 CFR 1910.110
- 29 CFR 1910.101
Correct answer: 29 CFR 1910.119
29 CFR 1910.119 is the PSM standard that requires employers to manage risks of catastrophic releases of toxic, reactive, flammable, or explosive chemicals.
Question 2: An employer must provide hearing protection at no cost to employees when noise levels reach the OSHA action level of:
- 80 dBA TWA
- 85 dBA TWA (Correct answer)
- 90 dBA TWA
- 95 dBA TWA
Correct answer: 85 dBA TWA
OSHA's hearing conservation action level is 85 dBA as an 8-hour time-weighted average, triggering a mandatory hearing conservation program.
Question 3: A scaffold must be capable of supporting its own weight plus at least how many times the maximum intended load?
- 2 times
- 3 times
- 4 times (Correct answer)
- 6 times
Correct answer: 4 times
OSHA requires scaffolds to support their own weight plus four times the maximum intended load applied or transmitted to them.
Question 4: Which document must an employer provide to workers before they enter a permit-required confined space?
- Job Hazard Analysis only
- A completed entry permit (Correct answer)
- SDS for all chemicals present
- Written supervisor approval
Correct answer: A completed entry permit
OSHA requires a written entry permit to be completed and made available at the permit space before entry begins.
Question 5: Under the OSH Act, employees have the right to request an OSHA inspection without:
- Notifying their supervisor first
- Filing a written complaint
- Fear of retaliation from the employer (Correct answer)
- Identifying themselves to the inspector
Correct answer: Fear of retaliation from the employer
Section 11(c) of the OSH Act prohibits employers from retaliating against employees who exercise their rights, including requesting inspections.
Question 6: A chemical with a flash point below 100°F (37.8°C) is classified as a:
- Combustible liquid
- Flammable liquid (Correct answer)
- Reactive substance
- Corrosive material
Correct answer: Flammable liquid
OSHA and NFPA define flammable liquids as those with a flash point below 100°F (37.8°C), making them more hazardous than combustible liquids.
Question 7: Which type of respirator provides the highest level of respiratory protection in IDLH atmospheres?
- N95 filtering facepiece
- Half-face air-purifying respirator
- Self-contained breathing apparatus (SCBA) (Correct answer)
- Supplied-air respirator without escape bottle
Correct answer: Self-contained breathing apparatus (SCBA)
SCBAs provide the highest protection by supplying clean air from a portable tank, making them suitable for IDLH and oxygen-deficient environments.
AIT Workplace Safety & Compliance 4
Which OSHA standard covers process safety management (PSM) of highly hazardous chemicals?