Certification Exam Questions with Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. What is the primary role of a competent person on a scaffold site?
A. Operate cranes
B. Recognize and correct hazards
C. Perform welding work
D. Design buildings
Answer: B
Rationale: A competent person must identify hazards and take corrective
action.
2. Which organization sets scaffold safety standards in the U.S.?
A. EPA
B. OSHA
C. FDA
D. DOT
Answer: B
Rationale: OSHA regulates workplace scaffold safety standards.
3. What is the minimum requirement for scaffold planking?
A. Painted wood
B. Rated for intended load
C. Any available material
D. Plastic boards
Answer: B
Rationale: Planking must support expected loads safely.
4. What is the main purpose of a guardrail system?
A. Improve aesthetics
B. Prevent falls
, C. Store tools
D. Reduce noise
Answer: B
Rationale: Guardrails are fall protection systems.
5. What is the minimum height requiring fall protection on scaffolds?
A. 2 feet
B. 4 feet
C. 6 feet
D. 10 feet
Answer: B
Rationale: OSHA requires fall protection at 4 feet in general industry.
6. What is toe board used for?
A. Electrical grounding
B. Prevent objects from falling
C. Increase height
D. Support scaffolds
Answer: B
Rationale: Toe boards prevent falling objects.
7. What must be inspected before each work shift?
A. Paint quality
B. Scaffold condition
C. Employee clothing
D. Weather forecast only
Answer: B
Rationale: Daily inspections ensure safe scaffold conditions.
8. What is scaffold load capacity?
A. Color of scaffold
B. Maximum safe weight
C. Height only
D. Number of workers only
Answer: B
Rationale: Load capacity defines maximum safe load.
, 9. Who is allowed to modify a scaffold?
A. Any worker
B. Competent person
C. Visitor
D. Delivery driver
Answer: B
Rationale: Only a competent person can authorize changes.
10.What is a scaffold platform?
A. Ground level area
B. Working surface on scaffold
C. Tool storage area
D. Safety meeting area
Answer: B
Rationale: The platform is the work surface.
11.What is the main hazard of scaffolding work?
A. Noise
B. Falls
C. Heat only
D. Dust only
Answer: B
Rationale: Falls are the leading scaffold hazard.
12.What is required for unstable scaffold footing?
A. Paint
B. Base plates or mudsills
C. Nails only
D. Rope
Answer: B
Rationale: Proper base support ensures stability.
13.What is a scaffold tag used for?
A. Decoration
B. Indicate inspection status
C. Pricing tools
D. Advertising