CHST General MCQ 3 — Questions and Answers
Question 1: Under OSHA's excavation standard (29 CFR 1926 Subpart P), what is the maximum depth of an excavation before protective systems are required?
- 3 feet
- 4 feet
- 5 feet (Correct answer)
- 6 feet
Correct answer: 5 feet
Protective systems such as sloping, shoring, or trench boxes are required for any excavation 5 feet or deeper, or shallower if the competent person determines a hazard exists.
Question 2: What is the primary purpose of a Safety and Health Management System (SHMS) on a construction project?
- To satisfy OSHA recordkeeping requirements
- To systematically identify, evaluate, and control hazards proactively (Correct answer)
- To document incidents for insurance purposes
- To set daily production targets for crews
Correct answer: To systematically identify, evaluate, and control hazards proactively
An SHMS provides a structured, proactive framework for identifying and controlling hazards before incidents occur, rather than reacting after the fact.
Question 3: Which OSHA standard specifically governs fall protection requirements in construction?
- 29 CFR 1910.147
- 29 CFR 1926.502 (Correct answer)
- 29 CFR 1926.452
- 29 CFR 1910.132
Correct answer: 29 CFR 1926.502
29 CFR 1926.502 sets the criteria and practices for fall protection systems including guardrails, safety nets, and personal fall arrest systems in construction.
Question 4: During a safety audit, an inspector finds workers using extension ladders without securing the top or bottom. What immediate corrective action is required?
- Tag the ladder out of service and notify OSHA
- Stop the work and secure the ladder before allowing use to continue (Correct answer)
- Issue a verbal warning and document the finding
- Replace the extension ladder with a step ladder
Correct answer: Stop the work and secure the ladder before allowing use to continue
An unsecured ladder is an immediate hazard requiring work stoppage until the ladder is properly secured to prevent slipping or falling.
Question 5: What is the purpose of a Toolbox Talk (TBT) on a construction site?
- To provide formal OSHA-required safety training certification
- To discuss daily hazards and reinforce safe work practices with the crew (Correct answer)
- To document near-miss incidents for OSHA recordkeeping
- To review the project schedule and productivity goals
Correct answer: To discuss daily hazards and reinforce safe work practices with the crew
Toolbox Talks are brief, informal safety discussions held at the job site to address specific hazards workers will face that day and reinforce safe practices.
Question 6: What is the OSHA requirement for inspecting personal fall arrest equipment before each use?
- Inspection is only required annually by a competent person
- Workers must inspect equipment before each use for damage or defects (Correct answer)
- Inspection is required monthly and documented in a logbook
- A third-party inspector must certify the equipment quarterly
Correct answer: Workers must inspect equipment before each use for damage or defects
OSHA requires workers to inspect personal fall arrest systems before each use to identify any wear, damage, or defects that could compromise performance.
Question 7: Which document establishes site-specific emergency response procedures for a construction project?
- Job Hazard Analysis (JHA)
- Site-Specific Safety Plan (SSSP) (Correct answer)
- OSHA Form 300 Log
- Subcontractor qualification form
Correct answer: Site-Specific Safety Plan (SSSP)
The Site-Specific Safety Plan (SSSP) outlines emergency response procedures, evacuation routes, muster points, and contact information tailored to the specific job site.
CHST General MCQ 3
Under OSHA's excavation standard (29 CFR 1926 Subpart P), what is the maximum depth of an excavation before protective systems are required?