2009 Ibc Roofing Exam

14 Questions | Attempts: 3296
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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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