IFSTA CHAPTER 4 BUILDING CONSTRUCTION Flashcards
Which ventilation technique could result in structural supports being cut that could weaken a structure?
Vertical ventilation
What is the first step that should be taken if a building collapse is imminent?
Inform command
At what temperature do steel structural members begin to fail?
1000 degreesF
What is the main difference between Type I and Type II construction
Type I structural members including, walls, columns, beams, floors and roofs are protect by blown-on insulation or automatic sprinklers.
What is Type III construction?
Exterior walls and structural members are noncombustible
What is a type of wood frame construction in which the studs in exterior walls extend from basement or foundation to the roof?
Balloon frame
What is a horizontal structural member used to support beams or joists?
Girder
What type of construction is known as Fire-resistive?
Type I
What is the area extending horizontally from the base of an exterior was to one and one-half the height of the wall?
Collapse zone
Unprotected lightweight steel and wooden trusses can fail after how many minutes of exposure to fire?
5-10 minutes
What is a secondary roof constructed over an old leaky roof called?
Rain Roof
What is wood with high moisture content called?
green wood
A wooden structural panel formed by gluing and compressing wood strands together is called?
Oriented strand board (OSB)
How much will a 50’ steel beam elongate when heated from room temp to 1000 degrees?
4”
what is a non-load bearing wall, often of glass or steel, fixed to the outside of a building and serving as cladding called.
curtain wall
