Ohio Safety Professional Certification
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Practice Exam Questions And Correct
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Answers (Verified Answers) Plus
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Rationales 2026|2027 Q&A | Instant
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Download Pdf
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1. Which OSHA regulation covers hazard communication standards?
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A. 29 CFR 1910.147
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B. 29 CFR 1910.1200
b b
C. 29 CFR 1926.501
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D. 29 CFR 1910.134
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B. 29 CFR 1910.1200
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This section establishes requirements for chemical hazard
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bcommunication and Safety Data Sheets. b b b b
2. What is the primary purpose of a Job Hazard Analysis (JHA)?
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A. To replace PPE use
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, B. To eliminate the need for training
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C. To identify and control hazards in specific tasks
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D. To reduce insurance premiums
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C. To identify and control hazards in specific tasks
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JHA systematically breaks down a job into steps to identify hazards
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and establish controls.
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3. Which fire extinguisher is suitable for an electrical fire?
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A. Class A b
B. Class B b
C. Class C b
D. Class D b
C. Class C
b b
Class C extinguishers are designed for energized electrical equipment
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fires.
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4. What is the maximum allowable concentration of oxygen in a confined
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space under OSHA standards?
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A. 16%
B. 19.5%
C. 23.5%
D. 25%
C. 23.5%
b
Atmospheres above 23.5% oxygen are considered oxygen-enriched
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and present fire hazards.
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,5. Which of the following best defines "incident rate"?
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A. Number of hazards identified per audit
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B. Measure of injuries/illnesses per 100 full-time workers
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C. Insurance cost per year b b b
D. Percentage of PPE compliance b b b
B. Measure of injuries/illnesses per 100 full-time workers
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b Incident rate standardizes injury data for comparison across
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bindustries.
6. What is the color of OSHA’s accident prevention signs for danger?
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A. Blue
B. Yellow
C. Red
D. Green
C. Red
b
Danger signs use red, black, and white to indicate immediate
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bhazards.
7. Which type of ventilation is most effective at removing contaminants
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bat the source?
b b
A. Dilution ventilation b
B. General exhaust b
C. Local exhaust ventilation
b b
D. Natural ventilation b
, C. Local exhaust ventilation
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This system captures contaminants at the point of generation.
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8. The leading cause of workplace fatalities in construction is:
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A. Struck-by incidents b
B. Electrocution
C. Falls
D. Caught-in/between
C. Falls
b
Falls consistently account for the largest portion of construction
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b fatalities.
9. What is the minimum freeboard for storing flammable liquids in safety
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b cans?
A. 2%
B. 5%
C. 10%
D. 15%
B. 5%b
Safety cans require 5% headspace to allow for liquid expansion.
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10. Which type of control is considered the most effective in the
b b b b b b b b b b
b hierarchy of controls? b b
A. PPE
B. Elimination
C. Administrative controls b
b b b
Practice Exam Questions And Correct
b b b b b
Answers (Verified Answers) Plus
b b b b
Rationales 2026|2027 Q&A | Instant
b b b b b
Download Pdf
b b
1. Which OSHA regulation covers hazard communication standards?
b b b b b b b
A. 29 CFR 1910.147
b b
B. 29 CFR 1910.1200
b b
C. 29 CFR 1926.501
b b
D. 29 CFR 1910.134
b b
B. 29 CFR 1910.1200
b b b
This section establishes requirements for chemical hazard
b b b b b b
bcommunication and Safety Data Sheets. b b b b
2. What is the primary purpose of a Job Hazard Analysis (JHA)?
b b b b b b b b b b
A. To replace PPE use
b b b
, B. To eliminate the need for training
b b b b b
C. To identify and control hazards in specific tasks
b b b b b b b
D. To reduce insurance premiums
b b b
C. To identify and control hazards in specific tasks
b b b b b b b b
JHA systematically breaks down a job into steps to identify hazards
b b b b b b b b b b
and establish controls.
b b b
3. Which fire extinguisher is suitable for an electrical fire?
b b b b b b b b
A. Class A b
B. Class B b
C. Class C b
D. Class D b
C. Class C
b b
Class C extinguishers are designed for energized electrical equipment
b b b b b b b b
fires.
b
4. What is the maximum allowable concentration of oxygen in a confined
b b b b b b b b b b
space under OSHA standards?
b b b b
A. 16%
B. 19.5%
C. 23.5%
D. 25%
C. 23.5%
b
Atmospheres above 23.5% oxygen are considered oxygen-enriched
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and present fire hazards.
b b b b
,5. Which of the following best defines "incident rate"?
b b b b b b b
A. Number of hazards identified per audit
b b b b b
B. Measure of injuries/illnesses per 100 full-time workers
b b b b b b
C. Insurance cost per year b b b
D. Percentage of PPE compliance b b b
B. Measure of injuries/illnesses per 100 full-time workers
b b b b b b b
b Incident rate standardizes injury data for comparison across
b b b b b b b
bindustries.
6. What is the color of OSHA’s accident prevention signs for danger?
b b b b b b b b b b
A. Blue
B. Yellow
C. Red
D. Green
C. Red
b
Danger signs use red, black, and white to indicate immediate
b b b b b b b b b
bhazards.
7. Which type of ventilation is most effective at removing contaminants
b b b b b b b b b
bat the source?
b b
A. Dilution ventilation b
B. General exhaust b
C. Local exhaust ventilation
b b
D. Natural ventilation b
, C. Local exhaust ventilation
b b b
This system captures contaminants at the point of generation.
b b b b b b b b
8. The leading cause of workplace fatalities in construction is:
b b b b b b b b
A. Struck-by incidents b
B. Electrocution
C. Falls
D. Caught-in/between
C. Falls
b
Falls consistently account for the largest portion of construction
b b b b b b b b
b fatalities.
9. What is the minimum freeboard for storing flammable liquids in safety
b b b b b b b b b b
b cans?
A. 2%
B. 5%
C. 10%
D. 15%
B. 5%b
Safety cans require 5% headspace to allow for liquid expansion.
b b b b b b b b b
10. Which type of control is considered the most effective in the
b b b b b b b b b b
b hierarchy of controls? b b
A. PPE
B. Elimination
C. Administrative controls b