OSHA 10-Hour Construction

First published: September 2, 2026Last verified: September 2, 2026Reviewed by the CertQuestUSA team

TL;DR

OSHA 10-Hour Construction: a 400-question practice bank for the real OSHA Safety & Health standard, 5 full papers of 80 questions each with no repeats, every question citing the real regulation it comes from.

Where these questions come from

Every question in this bank cites a real source -- primarily 29 CFR (84%) and OSH Act (4%) of this exam's citations.

Not sure where you stand? Take the free diagnostic — 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.

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5

full papers, no repeats

80

questions per paper

400

questions in the bank

What this exam covers

Focus Four: Caught-In or Between10%
Elective: Concrete and Masonry5%
Elective: Cranes5%
Elective: Fire Protection5%
Elective: Ladders5%
Elective: Scaffolds5%
Focus Four: Electrocution10%
Focus Four: Falls19%
Health Hazards in Construction6%
Introduction to OSHA13%
PPE and Lifesaving Equipment6%
Focus Four: Struck-By10%

5 real sample questions

Where must a midrail be installed when there is no wall or parapet at least 21 inches high?

A. Midway between the top rail and the walking surface

B. Directly beneath the top rail

C. 6 inches above the walking surface

D. Midrails are optional in all cases

Source: 29 CFR 1926.502(b)(2)

When does a wall opening require fall protection?

A. When the outside bottom edge is 6 feet or more above a lower level and the inside bottom edge is less than 39 inches above the walking surface

B. Only when the opening is wider than a doorway

C. Only on the ground floor

D. Wall openings never require fall protection

Source: 29 CFR 1926.501(b)(14)

What protection is required when working above vertically protruding reinforcing steel?

A. Guarding the rebar to eliminate the impalement hazard, and fall protection where the fall distance triggers it

B. A warning sign at the perimeter

C. Steel-toed boots

D. No protection is required below 10 feet

Source: 29 CFR 1926.501(b)(5)

When must employees be protected from falling into an excavation?

A. When the excavation is 6 feet or more deep and not readily seen because of plant growth or other visual barrier, or where there are wells, pits or shafts

B. Only when the excavation is more than 20 feet deep

C. Only when water is present

D. Excavations are exempt from fall protection

Source: 29 CFR 1926.501(b)(7)

Which law created OSHA?

A. The Occupational Safety and Health Act of 1970

B. The Fair Labor Standards Act

C. The National Labor Relations Act

D. The Clean Air Act

Source: OSH Act of 1970

Frequently asked questions

How many questions are on the CertQuestUSA OSHA 10-Hour Construction practice test?

400 questions total, split into 5 full papers of 80 each with no repeats across papers.

What topics does the OSHA 10-Hour Construction test cover?

12 domains, with the heaviest weight on Focus Four: Falls (19%), Introduction to OSHA (13%), and Focus Four: Caught-In or Between (10%).

Where do CertQuestUSA's OSHA 10-Hour Construction questions come from?

Primarily 29 CFR (84%) and OSH Act (4%) of this bank's citations -- computed directly from this exam's own question sources, not a generic description.

Is there a free diagnostic for OSHA 10-Hour Construction?

Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.