2009 Ibc Roofing Exam
14 Questions
| Total Attempts: 3113
Contractor Roofing Exam
Questions and Answers
- 1.Two or more layers of felt cemented together and surfaced with a cap sheet, mineral aggregate, smooth coating or similar surfacing material is called:
- A.
Roof covering
- B.
Built-up roof covering
- C.
Modified bitumen roof covering
- D.
Underlayment
- 2.The aggregate area of penthouses and other rooftop structures shall not exceed _____ the area of the supporting roof.
- A.
One-fourth
- B.
One-third
- C.
One-half
- D.
Two-thirds
- 3.An opening in a wall or parapet that allows water to drain from a roof is called a:
- A.
Overflow
- B.
Surface Drain
- C.
Scupper
- D.
Horizontal Drain
- 4.Is it permissible to install a new roof covering over two existing layers of roofing material?
- A.
Yes
- B.
No
- 5.Where flashing is of metal, the metal shall be corrosion resistant with a thickness of not less than _____ inch for asphalt shingles.
- A.
0.019
- B.
0.025
- C.
0.026
- D.
0.050
- 6.Liquid applied roofs shall have a design slope of a minimum of _____ unit vertical in 12 units horizontal.
- A.
One-fourth
- B.
One-third
- C.
One-half
- D.
One
- 7.Scuppers shall not have an opening dimension of less than _____ inches.
- A.
2
- B.
3
- C.
4
- D.
5
- 8.When installing a copper metal-sheet-roof-covering system, the minimum application shall be _____ ounces per square foot.
- A.
3
- B.
12
- C.
16
- D.
22
- 9.For open valleys (valley lining exposed) using asphalt shingles, lined with metal, the valley lining shall be at least _____ inches wide.
- A.
8
- B.
12
- C.
16
- D.
24
- 10.Class A roof assemblies are those that are effective against _____ fire test exposure.
- A.
Light
- B.
Moderate
- C.
Severe
- D.
Negligible
- 11.What is the maximum mean roof height of a building with aggregate used on the roof as ballast. Basic wind speed is 100 mph Exposure C.
- A.
15
- B.
20
- C.
35
- D.
55
- 12.Non-classified roof coverings shall be permitted on buildings of Group R-3 and Group U occupancies, where there is a minimum fire separation distance of _____ feet measured from the leading edge of the roof.
- A.
3
- B.
4
- C.
5
- D.
6
- 13.Asphalt shingles shall have the minimum number of fasteners required by the manufacturer, but not less than _____ fasteners per strip shingle or _____ fasteners per individual shingle.
- A.
3,2
- B.
4,2
- C.
4,3
- D.
5,3
- 14.A 3:12 roof is to be covered with asphalt shingles. What is the minimum overlap for the underlayment?
- A.
2 inches
- B.
8 inches
- C.
13 inches
- D.
19 inches
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