IFSTA Exam Chapter 16 Questions And
Answers 100% Pass
Which building materials is the most common in North America and is the main component of
many structural assemblies? - ANS Wood
When masonry components like brick and stone are exposed to fine and high temperatures; -
ANS There is little effect on the masonry
The effect of heat and fire on metal depends on the; - ANS Type of metal and whether or not
it is covered.
What is the primary material used for structural support in the construction of large buildings? -
ANS Steel
Due to its high water content,______ has excellent heat-resistant and fire-retardant properties.
- ANS Gypsum
Which building material is not typically used for structural support? - ANS Glass
Which type of building material can be highly combustible and produce toxic gasses when
exposed to fire? - ANS Engineered wood products
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In a _____ building, structural collapse is unlikely but will usually be localized instead of
structure-wide if it does occur. - ANS Type I
Fires in the ____ stage do not generate sufficient heat or flame to cause unprotected steel or
wood frame buildings to collapse. - ANS Incipient
Contents of a building: - ANS Can cause collapse more rapidly due to added dead weight.
Which is an indicator of structural instability or impending structural collapse? - ANS Sagging,
spongy roof
When should collapse zones be established? - ANS When there is an indication that the
structure has been weakened by prolonged exposure to fire or heat.
What should interior crews do first when structural collapse is likely or imminent? - ANS Exit
the building and inform command.
Which is a true statement about factors that affect the fire spread? - ANS Open floor plans
and less compartmentation may contribute to fire spread.
Other than fire suppression, which fire-ground activity can greatly affect a structure's chance of
collapse? - ANS Overhaul
Which type of building materials is affected by size and moisture content during fire conditions?
- ANS Wood
How does the size of a wooden structural member affect how it reacts to fire? - ANS Heavy
timbers remain strong even after exposed to direct flame.