OSHA 10-Hour Certification Exam Prep | 200+ Practice Questions with Verified Answers and Detailed Rationales | Workplace Hazard Identification, OSHA Safety Standards, Construction and General Industry Regulations, Fall Protection, Electrical Safety, Perso

OSHA 10-Hour Certification Exam Prep | 200+
Practice Questions with Verified Answers and
Detailed Rationales | Workplace Hazard
Identification, OSHA Safety Standards, Construction
and General Industry Regulations, Fall Protection,
Electrical Safety, Personal Protective Equipment
(PPE), Hazard Communication and Accident
Prevention Strategies
Question 1: What is the primary purpose of the Occupational Safety and Health
Administration (OSHA)?
A. To provide health insurance coverage for all workers
B. To ensure safe and healthful working conditions by setting and enforcing standards
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C. To manage workers' compensation claims for workplace injuries
D. To conduct annual performance reviews for safety managers
CORRECT ANSWER: B. To ensure safe and healthful working conditions by setting and
enforcing standards
Rationale: OSHA was created under the Occupational Safety and Health Act of 1970 with the
mission to assure safe and healthful working conditions for workers by setting and enforcing
standards and by providing training, outreach, education, and assistance
www.skillcatapp.com
.
Question 2: At what height is fall protection required for general construction work under
OSHA standards?
A. 4 feet
B. 5 feet
C. 6 feet
D. 10 feet
CORRECT ANSWER: C. 6 feet
Rationale: Subpart M of OSHA's construction standards (29 CFR 1926.501) requires employers
to provide fall protection when construction workers are working at heights of 6 feet or greater
above a lower level

,www.docsity.com
.
Question 3: Which of the following is NOT one of the "Focus Four" hazards in construction
that cause the majority of fatalities?
A. Falls
B. Electrocutions
C. Slips and trips
D. Struck-by incidents
CORRECT ANSWER: C. Slips and trips
Rationale: The OSHA "Focus Four" hazards in construction are falls, electrocutions, struck-by
incidents, and caught-in/between hazards. These four categories account for the majority of
construction worker fatalities. Slips and trips, while important safety concerns, are not
classified among the Focus Four.
Question 4: Under the Hazard Communication Standard, what does the skull and crossbones
pictogram indicate?
A. Flammable materials
B. Acute toxicity (fatal or toxic)
C. Corrosive substances
D. Environmental hazards
CORRECT ANSWER: B. Acute toxicity (fatal or toxic)
Rationale: The skull and crossbones pictogram under OSHA's Hazard Communication Standard
(aligned with GHS) indicates acute toxicity, meaning the chemical can cause fatal or toxic effects
if inhaled, swallowed, or absorbed through the skin
www.osha.gov
.
Question 5: Which type of personal protective equipment is required when working near
exposed electrical conductors?
Thinking completed
Question 1: What is the primary purpose of the Occupational Safety and Health
Administration (OSHA)?
A. To provide health insurance coverage for all workers
B. To ensure safe and healthful working conditions by setting and enforcing standards

,www.skillcatapp.com


C. To manage workers' compensation claims for workplace injuries
D. To conduct annual performance reviews for safety managers
CORRECT ANSWER: B. To ensure safe and healthful working conditions by setting and
enforcing standards
Rationale: OSHA was created under the Occupational Safety and Health Act of 1970 with the
mission to assure safe and healthful working conditions for workers by setting and enforcing
standards and by providing training, outreach, education, and assistance
www.skillcatapp.com
.
Question 2: At what height is fall protection required for general construction work under
OSHA standards?
A. 4 feet
B. 5 feet
C. 6 feet
D. 10 feet
CORRECT ANSWER: C. 6 feet
Rationale: Subpart M of OSHA's construction standards (29 CFR 1926.501) requires employers
to provide fall protection when construction workers are working at heights of 6 feet or greater
above a lower level
www.docsity.com
.
Question 3: Which of the following is NOT one of the "Focus Four" hazards in construction
that cause the majority of fatalities?
A. Falls
B. Electrocutions
C. Slips and trips
D. Struck-by incidents
CORRECT ANSWER: C. Slips and trips
Rationale: The OSHA "Focus Four" hazards in construction are falls, electrocutions, struck-by
incidents, and caught-in/between hazards. These four categories account for the majority of

, construction worker fatalities. Slips and trips, while important safety concerns, are not
classified among the Focus Four.
Question 4: Under the Hazard Communication Standard, what does the skull and crossbones
pictogram indicate?
A. Flammable materials
B. Acute toxicity (fatal or toxic)
C. Corrosive substances
D. Environmental hazards
CORRECT ANSWER: B. Acute toxicity (fatal or toxic)
Rationale: The skull and crossbones pictogram under OSHA's Hazard Communication Standard
(aligned with GHS) indicates acute toxicity, meaning the chemical can cause fatal or toxic effects
if inhaled, swallowed, or absorbed through the skin
www.osha.gov
.
Question 5: Which type of personal protective equipment is required when working near
exposed electrical conductors?
A. Leather gloves only
B. Insulated rubber gloves with leather protectors
C. Cotton gloves
D. No gloves required if voltage is under 50V
CORRECT ANSWER: B. Insulated rubber gloves with leather protectors
Rationale: OSHA requires electrical protective equipment, including insulated rubber gloves
with leather protectors, when workers are exposed to electrical hazards. Leather protectors
shield the rubber gloves from physical damage while the rubber provides electrical insulation
mcit.org
.
Question 6: What is the minimum clearance distance required when operating equipment
near overhead power lines rated 50 kV or less?
A. 5 feet
B. 10 feet
C. 15 feet
D. 20 feet
CORRECT ANSWER: B. 10 feet