Roof Sailing Roof Sailing MCQ 2 — Questions and Answers
Question 1: When performing roof sailing maneuvers, what is the primary purpose of a safety harness anchor point?
- To hold tools in place
- To prevent falls by providing a fixed attachment for the lanyard (Correct answer)
- To mark the ridge line
- To secure roofing materials during delivery
Correct answer: To prevent falls by providing a fixed attachment for the lanyard
A safety harness anchor point provides a fixed, load-bearing attachment for the lanyard to arrest a fall and keep the worker on the roof.
Question 2: Which wind speed threshold generally signals unsafe conditions for roof sailing activities?
- 5 mph
- 10 mph
- 25 mph (Correct answer)
- 50 mph
Correct answer: 25 mph
Most roofing safety guidelines recommend suspending work when sustained winds exceed 25 mph due to instability and material control risks.
Question 3: In roof sailing, what does 'pitch' refer to?
- The type of adhesive used
- The vertical rise per 12 inches of horizontal run (Correct answer)
- The brand of roofing nails
- The color of the shingles
Correct answer: The vertical rise per 12 inches of horizontal run
Roof pitch is expressed as the number of inches of vertical rise for every 12 inches of horizontal run, indicating the slope steepness.
Question 4: What piece of equipment allows a roofer to maintain footing while navigating a steep-pitched roof?
- Roof brackets (roof jacks) (Correct answer)
- A plumb bob
- A chalk reel
- A utility knife
Correct answer: Roof brackets (roof jacks)
Roof brackets, also called roof jacks, are metal supports nailed into the deck that provide a platform to stand on for stable footing on steep pitches.
Question 5: Which type of roof underlayment provides the best slip resistance for workers during roof sailing in wet conditions?
- Smooth felt paper
- Rubberized asphalt self-adhering membrane (Correct answer)
- Woven polypropylene sheeting
- Fiberglass mat
Correct answer: Rubberized asphalt self-adhering membrane
Rubberized asphalt self-adhering membranes offer superior grip and water resistance, reducing slip hazards compared to smooth felt paper.
Question 6: What OSHA standard governs fall protection requirements for residential roofing work in the United States?
- 29 CFR 1910.23
- 29 CFR 1926.502 (Correct answer)
- 29 CFR 1910.147
- 29 CFR 1926.100
Correct answer: 29 CFR 1926.502
29 CFR 1926.502 sets forth OSHA's fall protection system criteria and practices for construction, including residential roofing.
Question 7: During roof sailing training, a student is told to check 'toe boards.' What are toe boards used for?
- Measuring shingle exposure
- Preventing tools and materials from sliding off the roof edge (Correct answer)
- Aligning ridge caps
- Supporting the ridge beam
Correct answer: Preventing tools and materials from sliding off the roof edge
Toe boards are planks secured near the roof's lower edge to catch and stop tools or materials that might slide and fall on workers below.
Roof Sailing Roof Sailing MCQ 2
When performing roof sailing maneuvers, what is the primary purpose of a safety harness anchor point?