Ch
16
IFSTA
How
does
heat
affect
masonry?
Select
one:
a.
Bricks
may
experience
spalling
when
they
are
heated.
b.
Bricks
will
crumble
after
minimal
exposure
to
heat
and
flame.
c.
Stones
and
concrete
will
crumble
after
exposure
to
direct
flame.
d.
Stones
and
concrete
may
experience
spalling
when
they
are
heated.
-
ANS
Stones
and
concrete
may
experience
spalling
when
they
are
heated.
When
establishing
collapse
zones,:
Select
one:
a.
the
IC
should
wait
to
cordon
the
zones
off
until
an
offensive
strategy
has
been
adopted.
b.
interior
crews
should
be
allowed
to
finish
tasks
before
exiting
the
structure.
c.
apparatus
must
not
be
positioned
in
the
collapse
zone.
d.
the
size
of
the
collapse
zone
depends
on
the
width
of
the
building.
-
ANS
apparatus
must
not
be
positioned
in
the
collapse
zone.
Why
can
abandoned
buildings
pose
great
danger
of
fire
and
collapse?
Select
one:
a.
The
interior
may
be
gutted
and
altered.
b.
The
interior
may
be
compartmentalized.
c.
The
exterior
may
be
made
of
lightweight
components.
d.
The
exterior
may
be
covered
with
flammable
materials.
-
ANS
The
interior
may
be
gutted
and
altered.
Which
building
material
can
potentially
be
harmful
to
firefighters
because
it
contains
a
glue
called
urea
formaldehyde
that
gives
off
a
hazardous
gas
when
it
is
heated? Select
one:
a.
Plywood
b.
Mineral
wool
c.
Particle
board
d.
Cellulose
-
ANS
Particle
board
How
do
a
building's
contents
affect
fire
growth
and
structural
collapse?
Select
one:
a.
Contents
can
retain
water
and
increase
the
stress
on
structural
members.
b.
Contents
burn
more
slowly
than
structural
members,
so
it
takes
longer
for
the
fire
to
grow.
c.
Contents
help
distribute
the
weight
in
the
building
evenly,
which
adds
structural
stability.
d.
Contents
create
barriers
that
help
block
fire
spread.
-
ANS
Contents
can
retain
water
and
increase
the
stress
on
structural
members.
What
should
take
place
immediately
after
the
collapse
zone
is
cleared?
Select
one:
a.
Personnel
return
to
the
staging
area
b.
After-action
report
c.
Size-up
d.
Personnel
accountability
report
-
ANS
Personnel
accountability
report
How
does
reinforced
concrete
react
to
exposure
to
fire?
Select
one:
a.
It
contracts
and
forces
building
walls
inward.
b.
It
performs
well,
but
can
lose
strength
through
spalling.
c.
It
takes
longer
to
fail
after
exposure
to
fire.
d.
It
elongates
and
pushes
building
walls
outward.
-
ANS
It
performs
well,
but
can
lose
strength
through
spalling.
16
IFSTA
How
does
heat
affect
masonry?
Select
one:
a.
Bricks
may
experience
spalling
when
they
are
heated.
b.
Bricks
will
crumble
after
minimal
exposure
to
heat
and
flame.
c.
Stones
and
concrete
will
crumble
after
exposure
to
direct
flame.
d.
Stones
and
concrete
may
experience
spalling
when
they
are
heated.
-
ANS
Stones
and
concrete
may
experience
spalling
when
they
are
heated.
When
establishing
collapse
zones,:
Select
one:
a.
the
IC
should
wait
to
cordon
the
zones
off
until
an
offensive
strategy
has
been
adopted.
b.
interior
crews
should
be
allowed
to
finish
tasks
before
exiting
the
structure.
c.
apparatus
must
not
be
positioned
in
the
collapse
zone.
d.
the
size
of
the
collapse
zone
depends
on
the
width
of
the
building.
-
ANS
apparatus
must
not
be
positioned
in
the
collapse
zone.
Why
can
abandoned
buildings
pose
great
danger
of
fire
and
collapse?
Select
one:
a.
The
interior
may
be
gutted
and
altered.
b.
The
interior
may
be
compartmentalized.
c.
The
exterior
may
be
made
of
lightweight
components.
d.
The
exterior
may
be
covered
with
flammable
materials.
-
ANS
The
interior
may
be
gutted
and
altered.
Which
building
material
can
potentially
be
harmful
to
firefighters
because
it
contains
a
glue
called
urea
formaldehyde
that
gives
off
a
hazardous
gas
when
it
is
heated? Select
one:
a.
Plywood
b.
Mineral
wool
c.
Particle
board
d.
Cellulose
-
ANS
Particle
board
How
do
a
building's
contents
affect
fire
growth
and
structural
collapse?
Select
one:
a.
Contents
can
retain
water
and
increase
the
stress
on
structural
members.
b.
Contents
burn
more
slowly
than
structural
members,
so
it
takes
longer
for
the
fire
to
grow.
c.
Contents
help
distribute
the
weight
in
the
building
evenly,
which
adds
structural
stability.
d.
Contents
create
barriers
that
help
block
fire
spread.
-
ANS
Contents
can
retain
water
and
increase
the
stress
on
structural
members.
What
should
take
place
immediately
after
the
collapse
zone
is
cleared?
Select
one:
a.
Personnel
return
to
the
staging
area
b.
After-action
report
c.
Size-up
d.
Personnel
accountability
report
-
ANS
Personnel
accountability
report
How
does
reinforced
concrete
react
to
exposure
to
fire?
Select
one:
a.
It
contracts
and
forces
building
walls
inward.
b.
It
performs
well,
but
can
lose
strength
through
spalling.
c.
It
takes
longer
to
fail
after
exposure
to
fire.
d.
It
elongates
and
pushes
building
walls
outward.
-
ANS
It
performs
well,
but
can
lose
strength
through
spalling.
