OSHA 30-Hour Construction Outreach (knowledge check)
Focus Four: falls: practice questions
Our OSHA 30 Construction bank has 29 questions on this topic. Here are 4 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
A worker is less than 6 feet above dangerous equipment such as an open mixer. What protection is required?
- Guardrail systems or equipment guards
- None, because the height is under 6 feet
- A body belt and lanyard
- A safety monitor
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A. Guardrail systems or equipment guards — Each employee less than 6 feet above dangerous equipment must be protected from falling into or onto it by guardrails or equipment guards.
Question 2
How far from a low-slope roof edge must a warning line be set when no mechanical equipment is used?
- At least 6 feet
- At least 2 feet
- At least 15 feet
- At least 25 feet, beyond which no other protection is needed
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A. At least 6 feet — Warning lines must be at least 6 feet from the roof edge without mechanical equipment; with mechanical equipment, 6 feet parallel and 10 feet perpendicular to the direction of operation.
Question 3
How close to a roof edge may materials be stored without guardrails?
- No closer than 2 feet
- No closer than 6 feet
- No closer than 15 feet
- Materials may be stored at the edge if they are tied down
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B. No closer than 6 feet — Materials and equipment must not be stored within 6 feet of a roof edge unless guardrails are erected at the edge.
Question 4
What is the largest mesh opening allowed in a construction safety net?
- 1 square foot, no side longer than 12 inches
- 36 square inches, no side longer than 6 inches
- 100 square inches, no side longer than 10 inches
- 64 square inches, no side longer than 8 inches
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B. 36 square inches, no side longer than 6 inches — Each mesh opening must not exceed 36 square inches nor be longer than 6 inches on any side.