CHST FREE Construction Health and Safety Technician Questions and Answers 2 — Questions and Answers
Question 1: According to OSHA's Fall Protection standard (29 CFR 1926.501), at what height must fall protection be provided for workers on walking/working surfaces with unprotected sides or edges in construction?
- 4 feet
- 6 feet (Correct answer)
- 10 feet
- 15 feet
Correct answer: 6 feet
OSHA requires fall protection at 6 feet above a lower level for construction workers on walking/working surfaces.
Question 2: What is the primary purpose of a Job Hazard Analysis (JHA) on a construction site?
- To assign blame after an incident occurs
- To identify potential hazards associated with each step of a task and determine preventive measures (Correct answer)
- To calculate workers' compensation premiums
- To satisfy insurance audit requirements only
Correct answer: To identify potential hazards associated with each step of a task and determine preventive measures
A JHA systematically breaks down tasks into steps to identify hazards and establish controls before work begins.
Question 3: Which type of fire extinguisher is most appropriate for a construction site electrical panel fire?
- Class A water extinguisher
- Class B foam extinguisher
- Class C or ABC dry chemical extinguisher (Correct answer)
- Class D metal extinguisher
Correct answer: Class C or ABC dry chemical extinguisher
Class C extinguishers are rated for energized electrical equipment, and ABC dry chemical units cover electrical fires along with ordinary combustibles and flammable liquids.
Question 4: Under OSHA excavation standards, at what depth must a protective system such as shoring, sloping, or shielding be used for trenches?
- 3 feet
- 5 feet (Correct answer)
- 8 feet
- 10 feet
Correct answer: 5 feet
OSHA requires protective systems for trenches 5 feet or deeper, unless the excavation is in stable rock.
Question 5: What does the term 'competent person' mean under OSHA construction standards?
- Any worker with at least five years of experience
- A person designated by the employer who can identify hazards and has authority to take corrective action (Correct answer)
- A licensed professional engineer only
- A third-party safety consultant hired for the project
Correct answer: A person designated by the employer who can identify hazards and has authority to take corrective action
OSHA defines a competent person as someone capable of identifying existing and predictable hazards and authorized to take prompt corrective measures.
Question 6: Which OSHA standard requires employers to establish a written Hazard Communication Program on construction sites?
- 29 CFR 1926.59 (Correct answer)
- 29 CFR 1926.502
- 29 CFR 1926.451
- 29 CFR 1926.651
Correct answer: 29 CFR 1926.59
29 CFR 1926.59 is the Hazard Communication standard for construction, requiring written programs, SDSs, and worker training on chemical hazards.
CHST FREE Construction Health and Safety Technician Questions and Answers 2
According to OSHA's Fall Protection standard (29 CFR 1926.501), at what height must fall protection be provided for workers on walking/working surfaces with unprotected sides or edges in construction?