700 practice questions across 13 topics, each with a written explanation of why the correct answer is correct. Start below — the first questions are free and no account is required.
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Fall Protection
Answer: B. OSHA requires fall protection at 6 feet or more above a lower level in construction. This is the general trigger height for Subpart M.
Scaffolding
Answer: C. Each scaffold and scaffold component shall be capable of supporting, without failure, its own weight and at least 4 times the maximum intended load applied or transmitted to it.
Excavations
Answer: B. Excavations 5 feet or deeper require a protective system (sloping, shoring, or shielding) unless the excavation is made entirely in stable rock.
Work through every topic on the OSHA 30-Hour Construction question directory, or start the timed practice test above.
The OSHA 30-Hour Construction exam typically has Varies by provider. The exact count varies by state and exam version. VoltExam gives you 700 practice questions covering every topic tested.
The passing score for the OSHA 30-Hour Construction exam is typically 70%. Scoring significantly above the minimum on practice tests before exam day is strongly recommended to account for real-exam pressure.
The estimated first-attempt pass rate for the OSHA 30-Hour Construction exam is >95%. Candidates who complete structured practice sessions with full answer explanations pass at significantly higher rates.
Most candidates study 30 hours of coursework for the OSHA 30-Hour Construction exam. Study time varies based on prior experience. Focusing on practice questions with explanations is the most time-efficient preparation method.
The OSHA 30-Hour Construction exam covers topics including: Fall Protection, Scaffolding, Excavations, Electrical, PPE, and 8 more topic areas. VoltExam's free study mode organizes 700 quick-study questions by concept so you can target weak areas efficiently.