C-39 Roofing Trade Practice Test Questions and Correct Answers
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C-39 Roofing Trade
Institution
C-39 Roofing Trade
C-39 Roofing Trade Practice Test Questions and Correct Answers
A roof is 80' x 64' and one pallet has 6.45 squares of material. How many pallets are needed? - Correct Answer: 8 pallets
C-39 Roofing Trade Practice Test Questions and Correct
Answers
A roof is 80' x 64' and one pallet has 6.45 squares of material. How many pallets are needed? - Correct Answer: 8 pallets
The size of a house with a flat roof is 25' x 28'. It has a garage with a flat roof of 15' x 18'. How much roofing do the both of them need? - Correct Answer: 10 squares
A roof is 30' x 40'. If you need 1 square for the starter, 1 square for waste, and 1 2/3 square for hip and ridge, how much roofing material will you need? - Correct Answer: 16 squares
Given that a sloped roof has an area of 1,160 sq ft. How many rolls of 15 pound felt (4 sq/roll) are needed to cover the roof with one layer? - Correct Answer: 3
Which statement is most correct? - Correct Answer: Tar is distilled from soft coal
Given a scale 1/4" = 1' what is 3'-6" - Correct Answer: 7/8"
Which of the following is the correct order for installing a tile roof? - Correct Answer: Lay underlayment; snap chalkline; load tile; install tile
What is the purpose of a shake liner? - Correct Answer: To waterproof the roof
Which of the following are you most likely to use when nailing composition roof shingles on a felted plywood deck? - Correct Answer: Coil nail gun
Which of the following types of insulation cannot be used in direct contact with BUR? - Correct Answer:
Polystyrene board
How should you walk on a roof with flat concrete tiles? - Correct Answer: Step of the headlap of the tiles How would you load tile onto a roof? - Correct Answer: Load 6 tiles high and 3 ft from the edge
The chalk line for installing tile should be set - Correct Answer: Perpendicular to the eave
In a moderate climate with a normal slope, how far should back flashing go upside off a chimney? - Correct Answer: 18"
Why should you not install composition single roofs when the temperature is 40* F or below? - Correct
Answer: The shingles can crack too easily with handling and nailing
What in the best way to prevent a leak behind a 36" wide masonry chimney? - Correct Answer: Install a cricket
What is the best way to walk on spaced seating? - Correct Answer: Step on the 1" x 4" and on the rafters
Composition flashing (base flashing) should be fastened with? - Correct Answer: One inch solid cap-head nails or nails driven through tin disks
Reinforced concrete can be used as a structural deck. Which of the following is a correct statement? - Correct Answer: Some moisture will remain in concrete decks even after the surface is dry
On plywood decks not covered with insulation, a base ply should be to serve as the base ply of the roof membrane. - Correct Answer: Attached with annular-threaded nails
On slopes over 2 inches per foot, felt should be laid: - Correct Answer: Parallel to the slope
A roofing contractor discovers damage done by other trades to a newly installed roof. What should the roofing contractor do? - Correct Answer: Submit a written report to the general contractor and/or owner for any visible damage
When installing sheet-laying adhesives, the overlap should be: - Correct Answer: 10"
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