ch 5.txt

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ch 5.txt
2013-03-06 18:23:39


ch 5
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  1. What is the most common building material in North America?
  2. Which is normally an interior wall that supports only its own weight?
    Non load-bearing wall
  3. A wall that is used for structural support is called a -
    Load-bearing wall.
  4. A wall that separates a space into rooms is called a -
    Partition wall.
  5. A wall that extends beyond the structure that supports it, is known as a -
    Cantilever wall
  6. Walls with a surface layer of attractive material laid over a base of common material is called a -
    Veneer wall.
  7. Green wood is wood -
    With a high moisture content.
  8. What common problem occurs when water is used to extinguish a chimney flue fire?
    Spalling and cracking of the brick.
  9. Steel structural members will begin to fail at temperatures near or above -
    1000 degrees F.
  10. The temperature at which steel will begin to fail depends on all of the following factors except-
    The age of the steel member.
  11. Which of the following types of building materials has a high water content, is excellent in heat resistance, and is an excellent fire retardant?
  12. Fiberglass is typically used in building construction
    For insulation purposes.
  13. Type I building construction is often called -
    Fire-resistive construction.
  14. The ability for a Type I construction to confine a fire to a certain area, can be compromised by which of the following?
    Openings made in partitions or improperly dampered or improperly designed heating systems.
  15. Type II construction buildings often have flat, built-up roofs. What is the main fire hazard in this type of construction type?
    The roof contains combustible felt insulation and roofing tar.
  16. Which building construction type is often referred to as "Wood-Framed" construction?
    Type V.
  17. Which building construction type is referred to as "Ordinary Construction?"
    Type III.
  18. Which building construction type is often referred to as "Heavy Timber" construction?
    Type IV.
  19. The primary fire concern regarding Type III building construction is -
    Fire spread through concealed spaces.
  20. Old factories, mills and warehouses would most likely be classified as which of the following building construction classifications?
    Type IV.
  21. Heavy content fire loading is a critical hazard in commercial and storage facilities because -
    The fire quickly overrides the capabilities of the sprinkler system and it provides access problems for the firefighters during manual fire fighting operations.
  22. You arrive at a building fire and the structure is showing serious signs of collapse. How far away from the building should the perimeter of your collapse zone be, if the building stands 100 feet tall?
    At least 150 feet.
  23. The strength of a truss support is directly proportional to -
    The number of members that make up the truss.
  24. No matter what material a truss is made of, if one member of the truss fails -
    The entire truss is likely to fail.
  25. It has been documented that lightweight metal and wooden trusses will fail after __ of exposure to fire.
    5 to 10 minutes.
  26. Wooden trusses and I-beam supports are commonly made from -
    2 x 3, 2 x 4, or 2 x 6 inch boards
  27. What is the NFPA Standard on Types of Building Construction?
    NFPA 220.
  28. A home in which the exterior walls are made of stacked hay bales wood be considered which type of construction?
    Nonstandard construction.
  29. What do the decorative stars sometimes seen on older buildings represent?
    They are reinforcement stars, which may mean that the structure is of questionable stability.
  30. Metal or wooden plates used to connect and strengthen the intersections of metal and wooden truss components are known as -
    Gusset plates
  31. What type of building construction should a firefighter suspect on a building with a rounded or arched roof?
    Bowstring trusses.
  32. All trusses are made using the strongest geometric shape known, which is the -
  33. Those vertical or horizontal forces that tend to pull things apart are called -
  34. Those vertical or horizontal forces that tend to push the mass of a material together are called -
  35. A second roof constructed over an older roof is called a -
    Rain roof.