A collapsed zone for a Type IV structure should be established when:
The structure has been weakened by repeated fires over time
A __ occupancy top must meet the building code for its intended use
Single-use
According to the national building code of Canada (NBCC) heavy timber construction avoids:
Concealed spaces under floors and roofs
Additions To the structure, replacing fire escapes with enclosed stairways, and removing non-load bearing walls are all types of:
Permitted structural modifications
Every US gallon (SI Liter) of water used to suppressed fire adds __ to the weight of floors.
8.33 pounds (3.69 kilograms)
For which type of construction is flying glass the primary collapse zone hazard concern?
Type I
In what construction type are exterior load-bearing walls composed entirely of wood?
Type V
In which construction tight is collapse influenced by the style of construction?
Type V
In which roof style does the design depend on exterior walls to support its weight?
Arched
Laminated timber, medium density fiber board (MDF), and finger-jointed timber are all examples of what common building material?
Composite material
Manufactured homes built before 1976 have a less __ than those of current construction:
Fire resistance
Noncombustible construction as defined by the national building code of Canada achieves fire safety by:
Using non-combustible materials for structural members and other building assemblies
The critical temperature for steel can be reached at ceiling level from:
The rising heat and smoke in the room
The critical temperature for steel trusses is:
1000�F (538�C)
The interior elements in what type of construction are made of solid or laminated wood with no concealed space?
Type IV
The International Building Code (IBC) and National Fire Protection Association (NFPA) defined the construction type based on the performance of the construction when:
Exposed to fire
Type III construction requires exterior walls and structural members to be constructed of:
Non-combustible materials
Ventilating a rain roof will not remove smoke until:
The original roof is penetrated
Vertical tactical ventilation can be defined as channeling smoke from the:
Highest point in a building
What building component may be mounted over doors and windows to prevent illegal entry?
Security bars or grilles
What building component supports only its own weight and made divide two areas within a structure?
Non-load bearing wall
What building components construction varies depending on its level?
Floor/Ceiling
What construction type is composed of materials that will not contribute to fire development spread?
Type II
What is the most effective defense against heavy content fuel loading?
Proper inspection and code enforcement
What occupancy type contains multiple occupancy or use groups?
Separated use
What part of a roof's construction can be manufactured from smaller pieces of wood or light gauge steel?
Light weight construction support system
What part of a traditional wood-joisted roof tends to lose strength gradually when exposed to fire?
Solid wood joist
What part of the roof extends from wall to wall on a flat roof?
Beams
What part of the roof is exposed to weather?
Coverings
What part of the window is composed of a side, jamb, and head jamb?
Frame
What rooftop is frequently penetrated by chimneys, shafts and Skylights
Flat
What top of door design can prevent movement of hose or equipment into a building?
Revolving door
What type of door may be required by building codes to be constructed of tempered material that resist breakage?
Glass door
What type of movable window has a side-hinged sash, usually installed to swing outward?
Casement
What type of roof contains panels that retain electricity even when off?
Photovoltaic (solar) roof
What type of roof is used to prevent ice damning?
Cold roof
What type of stairs typically connects no more than two levels if not required as part of the means of egress?
Access stairs
What type of stairs uses a Ventilation System activated by automatic fire or smoke detection?
Smoke proof stair enclosures
When A collapse is imminent, personnel __ in the collapse zone.
May cautiously place an unstaffed master stream
When exposed to temperatures above __ unprotected steel will expand and twist
1000�F (538�C)
Which of the following BEST describes a possible construction hazard?
The building is subject to rapid fire spread because Protective features are not in place
Which of the following best describes a primary dangerous building condition?
Conditions that contribute to fire spread
Which of the following best describes heavy fuel loading?
Presence of large amounts of combustible materials in an area
Which of the following best describes the second step taken when a collapse appears to be imminent?
Establish a clear collapse zone
Which of the following best describes walls that support the weight of a structure or structural components?
Load-bearing walls
Which of the following best describes when a structural collapse may occur?
It can occur well after the fire is extinguished
Which of the following best describes where the collapse zone is it established?
Adjacent to any exposed exterior walls
Which of the following best describes who determines a structures construction classification type?
Architect coop, structural engineer, contractor
Which of the following building materials absorbs heat as moisture evaporates?
Gypsum
Which of the following buildings may be exempt from local building codes?
Factory-built (mobile) homes
Which of the following common building materials performs well under fire conditions but can lose strength through spalling?
Reinforced concrete
Which of the following construction types is considered to be the most collapse resistant?
Type I
Which of the following construction tops offers the appearance of type III construction?
Type V
Which of the following doors has the advantage of eliminating door swing that might interfere with the use of interior space?
Sliding door
Which of the following metals will be affected by heat more rapidly than steel?
Aluminum
Which of the following must be considered when deciding the size of a collapse zone?
Type of building construction and safest location for personnel
Which type of roof is used whenever large open floor spaces with limited interior support is needed?
Bowstring truss
Buildings are composed of the same components, all of which can prevent or contribute to fire growth
True
Heated gypsum make crack and shatter when struck by cold fire stream
False
Size and moisture content affect how wood reacts to fire
True
Structural collapse does not occur without a warning
False
The exterior of a building can make it appear more substantial than it is
True
Unprotected engineered steel and wood trusses can fail after three minutes of exposure to fire
False