OSHA 30-Hour Construction

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

TL;DR

OSHA 30-Hour Construction: a 490-question practice bank for the real OSHA Safety & Health standard, 6 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 (87%) 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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6

full papers, no repeats

80

questions per paper

490

questions in the bank

What this exam covers

Focus Four: Caught-In or Between6%
Elective: Concrete and Masonry8%
Elective: Confined Spaces in Construction8%
Elective: Cranes8%
Elective: Fire Protection8%
Stairways and Ladders4%
Elective: Materials Handling, Storage, and Disposal8%
Elective: Scaffolds8%
Focus Four: Electrocution6%
Focus Four: Falls6%
Health Hazards in Construction8%
Introduction to OSHA4%
Managing Safety and Health8%
PPE and Lifesaving Equipment8%
Focus Four: Struck-By6%

5 real sample questions

In steel erection, at what height is fall protection generally required?

A. 15 feet

B. 6 feet

C. 10 feet

D. 25 feet

Source: 29 CFR 1926.760(a)(1)

Why must guardrail surfaces be smooth?

A. To prevent lacerations, punctures and clothing snagging

B. To make them easier to paint

C. To reduce their weight

D. To improve their load rating

Source: 29 CFR 1926.502(b)(6)

Where does PPE sit in the hierarchy of hazard controls?

A. Last, after elimination, substitution, engineering and administrative controls

B. First, because it is quickest to deploy

C. Second, immediately after elimination

D. It sits outside the hierarchy entirely

Source: 29 CFR 1926 Subpart E

Within how long must an in-patient hospitalisation, amputation or loss of an eye be reported?

A. 24 hours

B. 8 hours

C. 48 hours

D. 5 days

Source: 29 CFR 1904.39(a)(2)

What right does a worker have if they believe a serious hazard exists at their workplace?

A. To file a complaint with OSHA and request an inspection

B. To shut down the entire site themselves

C. To fine the employer directly

D. To write their own citation

Source: OSH Act Section 8(f)

Frequently asked questions

How many questions are on the CertQuestUSA OSHA 30-Hour Construction practice test?

490 questions total, split into 6 full papers of 80 each with no repeats across papers.

What topics does the OSHA 30-Hour Construction test cover?

15 domains, with the heaviest weight on Elective: Concrete and Masonry (8%), Elective: Confined Spaces in Construction (8%), and Elective: Cranes (8%).

Where do CertQuestUSA's OSHA 30-Hour Construction questions come from?

Primarily 29 CFR (87%) 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 30-Hour Construction?

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