OSHA 30 Construction Practice Quiz: Supervisor Safety Questions
25 questions
About 13 min
Updated
0 of 25 answered
Score 0
Question 1 of 25
Who is the OSHA 30-hour Construction Outreach course particularly intended for?
Question 2 of 25
What does a high score on this independent practice quiz demonstrate?
Question 3 of 25
Two subcontractors plan hot work above a crew using a flammable adhesive. What should the supervisor do?
Question 4 of 25
What is the strongest basis for a pre-task briefing?
Question 5 of 25
A planned access route is blocked by a delivery. What is the best supervisory response?
Question 6 of 25
A replacement material is proposed to reduce dust. What should be checked?
Question 7 of 25
Which is an example of an engineering control?
Question 8 of 25
The dust-extraction system fails during cutting. What should happen?
Question 9 of 25
What makes a corrective action ready to close?
Question 10 of 25
Which measure helps reveal preventive performance?
Question 11 of 25
A site reports no injuries but several guards are defective. What should a supervisor conclude?
Question 12 of 25
How can a supervisor encourage useful near-miss reporting?
Question 13 of 25
After immediate emergency needs are addressed, what should an incident investigation examine?
Question 14 of 25
A worker cannot explain the isolation procedure after training. What is appropriate?
Question 15 of 25
What should a supervisor check before assigning a task that requires a competent person?
Question 16 of 25
For work at an unprotected edge, why must the applicable standard be identified?
Question 17 of 25
A proposed personal fall-arrest setup has no rescue arrangements. What is missing?
Question 18 of 25
Heavy rain changes excavation conditions before a crew returns. What should occur?
Question 19 of 25
How should a supervisor address a chemical exposure affecting another trade?
Question 20 of 25
What should a planned equipment purchase consider besides production needs?
Question 21 of 25
Why include occupational health in construction supervision?
Question 22 of 25
A control cannot be implemented immediately. What is the right approach?
Question 23 of 25
What should an emergency exercise be used to test?
Question 24 of 25
When is additional instruction particularly appropriate?
Question 25 of 25
How should the supervisor use OSHA recommended practices alongside standards?
About This Quiz
Develop your understanding of construction safety supervision with 25 original scenarios about planning, contractor interfaces, critical controls, training and follow-up. These questions emphasise decisions made by people with safety responsibilities, extending beyond the basic hazard recognition covered in our OSHA 10 practice resource.
Scope and independent practice
Independent practice material created by HSEBlog. It is not an OSHA-authorized Outreach course or official assessment and cannot award an OSHA card, certification, licence or competent-person designation. Federal US construction standards are referenced where specified; OSHA-approved state plans and individual tasks can impose additional requirements. Recommended safety-program practices are guidance, not a substitute for applicable enforceable duties or task-specific training.
Study before you start
Think about how one trade's work can affect another, how changed conditions affect a plan and what evidence shows a control is working. Focus on effective actions rather than signed paperwork alone. Review OSHA's program guidance and the applicable standards before applying a scenario to a real project. The questions on fall rescue and excavation inspection refer to their specific federal construction provisions.
Practice format
Answer 25 original multiple-choice questions, selecting one answer per question. The learning pass mark is 70%, with no time limit. Answers are shuffled, explanations are shown after submission and retakes are allowed. Use the feedback to identify topics to review before another attempt. A knowledge score does not establish practical competence.
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