Which type of building material is affected by size and moisture content during
/ / / / / / / / / / / /
fire conditions ? - correct answer ✔Wood
/ / / / / / /
How does the size of a wooden structural member affect how it reacts to fire? -
/ / / / / / / / / / / / / / /
correct answer ✔Heavy timbers remain strong even after exposure to direct
/ / / / / / / / / / /
flame
/
How does heat affect masonry? - correct answer ✔Stones and concrete may
/ / / / / / / / / / /
experience spalling when they are heated
/ / / / / /
Cast iron may crack or shatter when it is: - correct answer ✔Rapidly cooled with
/ / / / / / / / / / / / / /
water
/
When heated, steel structural members tend to: - correct answer ✔Elongate
/ / / / / / / / / /
and push walls outward
/ / / /
Which factor is likely to affect the speed with which a steel structural member
/ / / / / / / / / / / / /
fails under fire conditions? - correct answer ✔Size
/ / / / / / / /
How does reinforced concrete react to exposure to fire? - correct answer ✔It
/ / / / / / / / / / / /
performs well but can lose strength through spalling
/ / / / / / / /
,Which type of building material is used to protect other materials because its
/ / / / / / / / / / / /
moisture content gives it excellent heat resistance? - correct answer ✔Gypsum
/ / / / / / / / / / /
wallboard
/
What is a concern about lath and plaster during a fire? - correct answer
/ / / / / / / / / / / / /
✔Conceals hidden fire and adds fuel to the fire
/ / / / / / / / /
Which statement best describes how glass will react under fire conditions? -
/ / / / / / / / / / /
correct answer ✔Heated glass may crack when water is applied
/ / / / / / / / / /
Which type of building material can produce toxic gases and rapidly deteriorate
/ / / / / / / / / / /
under fire conditions? - correct answer ✔Oriented stand board (OSB)
/ / / / / / / / / /
Which type of building material can potentially be harmful to firefighters
/ / / / / / / / / /
because it contains a glue called formaldehyde that gives off a hazardous gas
/ / / / / / / / / / / / /
when it is heated? - correct answer ✔Particle board
/ / / / / / / / /
When should firefighters begin considering the potential that a building will
/ / / / / / / / / /
collapse? - correct answer ✔During pre-incident surveys and size up
/ / / / / / / / / /
Which type of building collapse is common for Type V construction building? -
/ / / / / / / / / / / /
correct answer ✔Walls collapsing inward
/ / / / /
Why can abandon buildings pose great danger of fire and collapse? - correct
/ / / / / / / / / / / /
answer ✔The interior may be gutted and altered
/ / / / / / / /
, In which stage of fire development does structure collapse become likely due to
/ / / / / / / / / / / /
/its weakened state of structural members and build up of water? - correct
/ / / / / / / / / / / /
/answer ✔Decay /
How do a buildings contents affect fire growth and structural collapse? - correct
/ / / / / / / / / / / /
answer ✔Contents can retain water and increase the stress on structural
/ / / / / / / / / / /
members
/
Little or no water runoff from the interior of the structure can be an indicator
/ / / / / / / / / / / / / /
that: - correct answer ✔The structure is retaining water and is at risk of
/ / / / / / / / / / / / / /
collapse
/
What is an indicator of structural collapse? - correct answer ✔Distorted
/ / / / / / / / / /
structural members
/ /
When establishing collapse zones: - correct answer ✔The apparatus must not be
/ / / / / / / / / / /
positioned in the collapse zone
/ / / / /
Traditionally how large is the collapse zone? - correct answer ✔One and a half
/ / / / / / / / / / / / /
times the height of the structure
/ / / / / /
When should a collapse zone be establish at a structure fire? - correct answer
/ / / / / / / / / / / / /
✔Once a defensive strategy is adopted
/ / / / / /
Once it is determined that collapse is imminent - correct answer ✔The collapse
/ / / / / / / / / / / /
zone should be cleared as soon as possible
/ / / / / / / /
/ / / / / / / / / / / /
fire conditions ? - correct answer ✔Wood
/ / / / / / /
How does the size of a wooden structural member affect how it reacts to fire? -
/ / / / / / / / / / / / / / /
correct answer ✔Heavy timbers remain strong even after exposure to direct
/ / / / / / / / / / /
flame
/
How does heat affect masonry? - correct answer ✔Stones and concrete may
/ / / / / / / / / / /
experience spalling when they are heated
/ / / / / /
Cast iron may crack or shatter when it is: - correct answer ✔Rapidly cooled with
/ / / / / / / / / / / / / /
water
/
When heated, steel structural members tend to: - correct answer ✔Elongate
/ / / / / / / / / /
and push walls outward
/ / / /
Which factor is likely to affect the speed with which a steel structural member
/ / / / / / / / / / / / /
fails under fire conditions? - correct answer ✔Size
/ / / / / / / /
How does reinforced concrete react to exposure to fire? - correct answer ✔It
/ / / / / / / / / / / /
performs well but can lose strength through spalling
/ / / / / / / /
,Which type of building material is used to protect other materials because its
/ / / / / / / / / / / /
moisture content gives it excellent heat resistance? - correct answer ✔Gypsum
/ / / / / / / / / / /
wallboard
/
What is a concern about lath and plaster during a fire? - correct answer
/ / / / / / / / / / / / /
✔Conceals hidden fire and adds fuel to the fire
/ / / / / / / / /
Which statement best describes how glass will react under fire conditions? -
/ / / / / / / / / / /
correct answer ✔Heated glass may crack when water is applied
/ / / / / / / / / /
Which type of building material can produce toxic gases and rapidly deteriorate
/ / / / / / / / / / /
under fire conditions? - correct answer ✔Oriented stand board (OSB)
/ / / / / / / / / /
Which type of building material can potentially be harmful to firefighters
/ / / / / / / / / /
because it contains a glue called formaldehyde that gives off a hazardous gas
/ / / / / / / / / / / / /
when it is heated? - correct answer ✔Particle board
/ / / / / / / / /
When should firefighters begin considering the potential that a building will
/ / / / / / / / / /
collapse? - correct answer ✔During pre-incident surveys and size up
/ / / / / / / / / /
Which type of building collapse is common for Type V construction building? -
/ / / / / / / / / / / /
correct answer ✔Walls collapsing inward
/ / / / /
Why can abandon buildings pose great danger of fire and collapse? - correct
/ / / / / / / / / / / /
answer ✔The interior may be gutted and altered
/ / / / / / / /
, In which stage of fire development does structure collapse become likely due to
/ / / / / / / / / / / /
/its weakened state of structural members and build up of water? - correct
/ / / / / / / / / / / /
/answer ✔Decay /
How do a buildings contents affect fire growth and structural collapse? - correct
/ / / / / / / / / / / /
answer ✔Contents can retain water and increase the stress on structural
/ / / / / / / / / / /
members
/
Little or no water runoff from the interior of the structure can be an indicator
/ / / / / / / / / / / / / /
that: - correct answer ✔The structure is retaining water and is at risk of
/ / / / / / / / / / / / / /
collapse
/
What is an indicator of structural collapse? - correct answer ✔Distorted
/ / / / / / / / / /
structural members
/ /
When establishing collapse zones: - correct answer ✔The apparatus must not be
/ / / / / / / / / / /
positioned in the collapse zone
/ / / / /
Traditionally how large is the collapse zone? - correct answer ✔One and a half
/ / / / / / / / / / / / /
times the height of the structure
/ / / / / /
When should a collapse zone be establish at a structure fire? - correct answer
/ / / / / / / / / / / / /
✔Once a defensive strategy is adopted
/ / / / / /
Once it is determined that collapse is imminent - correct answer ✔The collapse
/ / / / / / / / / / / /
zone should be cleared as soon as possible
/ / / / / / / /
