COSS Hazard Recognition and Control 2 — Questions and Answers
Question 1: Which OSHA standard requires employers to conduct a hazard assessment to determine if PPE is necessary?
- 29 CFR 1910.132 (Correct answer)
- 29 CFR 1910.134
- 29 CFR 1910.147
- 29 CFR 1910.119
Correct answer: 29 CFR 1910.132
29 CFR 1910.132 requires employers to assess the workplace for hazards and determine appropriate PPE.
Question 2: A maintenance worker notices a machine guard is missing from a conveyor belt. What is the FIRST action the worker should take?
- Continue working and report at end of shift
- De-energize the machine and report the hazard immediately (Correct answer)
- Install a temporary barrier and continue production
- Submit a written hazard report within 24 hours
Correct answer: De-energize the machine and report the hazard immediately
The immediate action is to de-energize the unguarded equipment and report the hazard to prevent injury.
Question 3: What does the acronym 'JHA' stand for in the context of hazard recognition?
- Job Hazard Analysis (Correct answer)
- Joint Health Assessment
- Job Health Audit
- Jurisdictional Hazard Appraisal
Correct answer: Job Hazard Analysis
A Job Hazard Analysis (JHA) is a technique used to identify hazards associated with each step of a job task.
Question 4: Which type of control measure is considered MOST effective in the hierarchy of controls?
- Administrative controls
- Personal protective equipment
- Engineering controls
- Elimination (Correct answer)
Correct answer: Elimination
Elimination—removing the hazard entirely—is the most effective control because it completely removes the risk.
Question 5: An employee is exposed to noise levels averaging 95 dBA over an 8-hour shift. According to OSHA, what is the maximum permissible exposure time at this level?
- 8 hours
- 6 hours
- 4 hours (Correct answer)
- 2 hours
Correct answer: 4 hours
OSHA's permissible exposure limit table allows only 4 hours of exposure at 95 dBA.
Question 6: Which chemical hazard communication element on a Safety Data Sheet (SDS) describes first aid measures?
- Section 4 (Correct answer)
- Section 7
- Section 8
- Section 11
Correct answer: Section 4
Section 4 of the GHS-aligned SDS covers first-aid measures for exposure by inhalation, skin, eyes, and ingestion.
Question 7: What term describes a hazard that results from the interaction of multiple factors such as repetition, force, and awkward posture?
- Synergistic hazard
- Ergonomic hazard (Correct answer)
- Cumulative trauma disorder trigger
- Compound hazard
Correct answer: Ergonomic hazard
Ergonomic hazards involve physical factors like repetition, force, vibration, and posture that can lead to musculoskeletal disorders.
COSS Hazard Recognition and Control 2
Which OSHA standard requires employers to conduct a hazard assessment to determine if PPE is necessary?