Certification Exam Practice Questions
And Correct Answers (Verified Answers)
Plus Rationales 2026 Q&A | Instant
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1. Which of the following is the primary purpose of a Job Safety Analysis
(JSA)?
A. To comply with OSHA recordkeeping requirements
B. To evaluate employee performance
C. To identify hazards and implement controls before work begins
D. To develop company policies
Rationale: A Job Safety Analysis systematically identifies hazards in a
specific job and establishes controls to prevent incidents.
2. What is the OSHA standard that regulates Hazard Communication?
A. OSHA 1910.134
, B. OSHA 1910.120
C. OSHA 1910.1200
D. OSHA 1926.501
Rationale: OSHA 1910.1200 specifically addresses the Hazard
Communication Standard, ensuring employees know the hazards of
chemicals they work with.
3. Which type of fire extinguisher is suitable for electrical fires?
A. Water
B. Foam
C. CO2
D. Wet Chemical
Rationale: CO2 extinguishers are non-conductive and suitable for
Class C fires involving electrical equipment.
4. Which safety management system emphasizes continuous
improvement through Plan-Do-Check-Act?
A. ISO 14001
B. OHSAS 18001
C. ISO 45001
D. NFPA 70E
Rationale: ISO 45001 is a safety management system framework that
uses PDCA (Plan-Do-Check-Act) for continual improvement of
occupational health and safety.
,5. What is the leading cause of occupational fatalities in the construction
industry?
A. Falls
B. Struck-by incidents
C. Electrocution
D. Caught-in/between
Rationale: “Struck-by” incidents, including falling objects and
vehicles, are among the most common causes of fatalities in
construction.
6. Which of the following best describes a “near miss”?
A. An event that causes permanent disability
B. An event with minor injury
C. An unplanned event that did not result in injury or damage but
could have
D. A scheduled safety drill
Rationale: A near miss is a close call that had the potential to cause
injury or damage but did not.
7. What does the hierarchy of controls prioritize?
A. Personal protective equipment first
B. Elimination and substitution first
C. Administrative controls first
D. Engineering controls last
, Rationale: The hierarchy of controls prioritizes eliminating hazards at
the source before relying on PPE or administrative controls.
8. Which PPE is specifically required when working with hazardous
chemicals?
A. Safety glasses
B. Chemical-resistant gloves and apron
C. Steel-toed boots
D. Hearing protection
Rationale: Chemical-resistant gloves and aprons are required to
prevent chemical exposure on the skin.
9. In risk assessment, risk is commonly calculated as:
A. Likelihood × Severity
B. Frequency × Duration
C. Probability × Consequence
D. Hazard × Exposure
Rationale: Risk is a function of the probability of an event occurring
and the severity of its consequences.
10. Which agency establishes permissible exposure limits (PELs) for
chemical hazards in the workplace?
A. EPA
B. NFPA
C. OSHA
D. ANSI