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OSHA 510 NEWEST ACTUAL EXAM 2026
|150 QUESTIONS AND CORRECT
DETAILED ANSWERS |RATED A+ | NEW
AND REVISED
1. A construction employer is required to comply with OSHA
standards primarily to:
A. Reduce insurance premiums
B. Avoid employee complaints
C. Provide a workplace free from recognized hazards likely to
cause death or serious physical harm
D. Improve productivity only
Rationale: The General Duty Clause requires employers to
furnish a workplace free from recognized hazards that can cause
serious harm or death.
2. Under OSHA, which entity has the authority to promulgate and
enforce construction safety standards?
A. NIOSH
B. Occupational Safety and Health Administration
C. CDC
D. ANSI
Rationale: OSHA is the federal agency responsible for
developing and enforcing workplace safety standards.
3. Which OSHA regulation specifically governs construction
activities?
A. 29 CFR Part 1910
B. 29 CFR Part 1904
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C. 29 CFR Part 1926
D. 29 CFR Part 1915
Rationale: Construction industry standards are codified under 29
CFR Part 1926.
4. A competent person under OSHA is defined as someone who:
A. Has at least 10 years of experience
B. Is capable of identifying existing and predictable hazards
and has authority to correct them
C. Holds an OSHA card
D. Works in management
Rationale: OSHA emphasizes both hazard recognition and
authority to take corrective action.
5. Which of the following best describes an OSHA citation?
A. A written recommendation
B. A notice alleging a violation of OSHA standards
C. A criminal charge
D. An employee complaint
Rationale: Citations formally notify employers of alleged OSHA
violations.
6. When must OSHA Form 300 be maintained?
A. Only during inspections
B. Continuously throughout the year for recordable injuries
and illnesses
C. Only if requested by OSHA
D. Only for fatal incidents
Rationale: OSHA Form 300 logs all recordable injuries and
illnesses on an ongoing basis.
7. Which hazard is the leading cause of fatalities in construction?
A. Electrical hazards
B. Struck-by incidents
C. Falls
D. Caught-in/between hazards
Rationale: Falls consistently account for the highest number of
construction fatalities.
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8. Guardrails are required on scaffolds when the working level is:
A. More than 4 feet above ground
B. More than 10 feet above a lower level
C. More than 6 feet above ground
D. Any height
Rationale: OSHA requires fall protection on scaffolds at heights
above 10 feet.
9. An employer fails to correct a previously cited hazard. This is
classified as a:
A. Serious violation
B. De minimis violation
C. Repeat violation
D. Other-than-serious violation
Rationale: Repeat violations occur when an employer has been
cited previously for the same or similar hazard.
10. What is the primary purpose of a Job Hazard Analysis
(JHA)?
A. To discipline workers
B. To estimate project cost
C. To identify hazards and determine preventive measures
before work begins
D. To satisfy insurance requirements
Rationale: JHAs proactively identify hazards and controls for
specific tasks.
11. Which of the following is considered a struck-by hazard?
A. Worker falling from ladder
B. Being hit by a swinging crane load
C. Electrocution from wiring
D. Trench collapse
Rationale: Struck-by hazards involve being hit by moving or
falling objects.
12. OSHA requires head protection when employees are exposed
to:
A. Loud noise
B. Chemical vapors
OSHA 510 NEWEST ACTUAL EXAM 2026
|150 QUESTIONS AND CORRECT
DETAILED ANSWERS |RATED A+ | NEW
AND REVISED
1. A construction employer is required to comply with OSHA
standards primarily to:
A. Reduce insurance premiums
B. Avoid employee complaints
C. Provide a workplace free from recognized hazards likely to
cause death or serious physical harm
D. Improve productivity only
Rationale: The General Duty Clause requires employers to
furnish a workplace free from recognized hazards that can cause
serious harm or death.
2. Under OSHA, which entity has the authority to promulgate and
enforce construction safety standards?
A. NIOSH
B. Occupational Safety and Health Administration
C. CDC
D. ANSI
Rationale: OSHA is the federal agency responsible for
developing and enforcing workplace safety standards.
3. Which OSHA regulation specifically governs construction
activities?
A. 29 CFR Part 1910
B. 29 CFR Part 1904
,2|Page
C. 29 CFR Part 1926
D. 29 CFR Part 1915
Rationale: Construction industry standards are codified under 29
CFR Part 1926.
4. A competent person under OSHA is defined as someone who:
A. Has at least 10 years of experience
B. Is capable of identifying existing and predictable hazards
and has authority to correct them
C. Holds an OSHA card
D. Works in management
Rationale: OSHA emphasizes both hazard recognition and
authority to take corrective action.
5. Which of the following best describes an OSHA citation?
A. A written recommendation
B. A notice alleging a violation of OSHA standards
C. A criminal charge
D. An employee complaint
Rationale: Citations formally notify employers of alleged OSHA
violations.
6. When must OSHA Form 300 be maintained?
A. Only during inspections
B. Continuously throughout the year for recordable injuries
and illnesses
C. Only if requested by OSHA
D. Only for fatal incidents
Rationale: OSHA Form 300 logs all recordable injuries and
illnesses on an ongoing basis.
7. Which hazard is the leading cause of fatalities in construction?
A. Electrical hazards
B. Struck-by incidents
C. Falls
D. Caught-in/between hazards
Rationale: Falls consistently account for the highest number of
construction fatalities.
, 3|Page
8. Guardrails are required on scaffolds when the working level is:
A. More than 4 feet above ground
B. More than 10 feet above a lower level
C. More than 6 feet above ground
D. Any height
Rationale: OSHA requires fall protection on scaffolds at heights
above 10 feet.
9. An employer fails to correct a previously cited hazard. This is
classified as a:
A. Serious violation
B. De minimis violation
C. Repeat violation
D. Other-than-serious violation
Rationale: Repeat violations occur when an employer has been
cited previously for the same or similar hazard.
10. What is the primary purpose of a Job Hazard Analysis
(JHA)?
A. To discipline workers
B. To estimate project cost
C. To identify hazards and determine preventive measures
before work begins
D. To satisfy insurance requirements
Rationale: JHAs proactively identify hazards and controls for
specific tasks.
11. Which of the following is considered a struck-by hazard?
A. Worker falling from ladder
B. Being hit by a swinging crane load
C. Electrocution from wiring
D. Trench collapse
Rationale: Struck-by hazards involve being hit by moving or
falling objects.
12. OSHA requires head protection when employees are exposed
to:
A. Loud noise
B. Chemical vapors
