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Dunn
89
Other
Professional
07/07/2011

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Cards

Term
How many parapet walls make the roof more prone to water
build-up?
Definition
4
Term
At what building height do some states have a law that
requires a stem and yoke control valve be installed on the
outside of the building?
Definition
150 feet or 15 stories
Term
How long after the concrete has been poured is the
formwork removed to being making another floor during a
"fast-track" construction project?
Definition
48 hours
Term
What is a horizontal structural member that is subject to
compression, tension and shear forces?
Definition
Beam
Term
How many stories of collapsing stone intermediate landings
have firefighters crashed through?
Definition
4 and 5
Term
Where is the destructive pressure of a master stream
greatest?
Definition
Where the water leaves the nozzle
Term
What is the minimum thickness of any girder used in heavy
timber construction?
Definition
6 inches
Term
What is holding the capstone in place if the mortar is
allowed to lose its adhesive qualities?
Definition
Gravity
Term
How many firefighters were crushed when five floors of a
Boston hotel collapsed on June 17, 1972?
Definition
9
Term
What is the order of importance of the SOP's that all fire
departments should develop for operations involving
sloping roofs?
Definition
Life safety, fire containment and property protection
Term
What is considered a prepared roof
covering?
Definition
Wood
Term
Where is the enclosure wall built from?
Definition
The outside
Term
How far will the water stream be capable of reaching when
battling a timber truss roof fire where no ceiling is
present?
Definition
50 Ft.
Term
What part of the bowstring truss roof is supported by the
side walls?
Definition
Ends of truss sections
Term
What is the most common design of the timber truss roof?
Definition
Bowstring
Term
Which type of wall collapse resembles a tree falling over?
Definition
Ninety-degree-angle
Term
Who is allowed in the building when the safety officer is
inspecting the building before overhaul operations?
Definition
Only the inspecting officer
Term
How is the platform method of construction carried out?
Definition
One level is built at a time
Term
What should be done when an aerial device must be lifted
when the tip is obscured by smoke and it is near a parapet
wall?
Definition
Raise it upwards several feet
Term
Which part of the post-fire analysis should be completed
when the fire scene will be cleaned up the next day?
Definition
Photo documentation
Term
What is a disadvantage to firefighters of a fire cut beam?
Definition
Early floor collapse
Term
Where should the firefighter stay when climbing a sagging,
fire-weakened wooden stair?
Definition
Near the wall
Term
How much per square foot does a lightweight metal grid
panel ceiling weigh?
Definition
1 pound
Term
When should a master stream NOT be used to combat fire in
a concealed space of a suspended ceiling?
Definition
When an interior attack in underway
Term
What method of support is a corbel shelf?
Definition
Unrestrained
Term
What is often the signal that the 90-degree angle wall
collapse is going to happen?
Definition
Corners of the wall splitting apart from the remaining
walls
Term
Where should the second line be placed when an interior
attack proves successful?
Definition
Highest point of the truss roof
Term
What is at the top of the hierarchy of structural framing
which would lead to a more serious collapse?
Definition
Columns
Term
What are the corner posts and girders connected with on
the braced-frame wooden constructed building?
Definition
Mortise-and-tenon joints
Term
What type of information does the firefighter need to have
to determine a roof's stability?
Definition
Knowledge of the roof's construction
Term
What should be cut through when looking for victims in a
supported lean-to collapse?
Definition
Floor
Term
What happens when smoke is detected in the duct work of
the central air conditioning system?
Definition
It shuts down
Term
How do the firefighters proceed across the flat roof
Definition
Body weight on the back leg
Term
Which type of construction is considered superior from a
fire protection standpoint?
Definition
Platform
Term
What should be done if it is determined that the structure
is not safe after master stream operations have concluded?
Definition
Establish a watch line
Term
Which type of building collapse is considered the most
dangerous?
Definition
Inward/outward
Term
Which type of withdrawal of firefighters allows them to
leave their tools behind?
Definition
Emergency evacuation
Term
What is the principal danger to a firefighter in a burning
non-combustible structure that contains unprotected steel?
Definition
Potential for collapse
Term
What are factors affecting the severity of injury caused by a
local collapse of falling plaster?
Definition
Thickness of falling plaster
Height of the ceiling
Cushioning system in the helmet
Term
What is often used to support a joist?
Definition
A Girder
Term
Where will victims from the floor above be found with a
V-shape collapse?
Definition
In the center of the V
Term
How many separate channels would be called for in the fire
communication plan?
Definition
2
Term
What is now required so that if and when people panic and
run out of their burning apartment the fire does not
extend into the stair hallway?
Definition
Self-closing doors
Term
When does the firefighter perform size-up?
Definition
During the entire operation
Term
How many people can descend down the exterior screened
stairway together?
Definition
Two side by side
Term
How many sections per layer of the ceiling need to be
pulled when checking for fire spread within the ceiling
space?
Definition
1
Term
Which should be thought of when comparing a place of
worship fire for an offensive attack?
Definition
Type III construction
Term
What should be used to temporarily shore up a sagging
suspended ceiling?
Definition
Portable ladder
Term
Where in a building is the purlin located?
Definition
Roof
Term
What is considered a ground-based master stream?
Definition
Deck gun
Term
What should be done with each load that is removed during
the last phase of the search after a collapse?
Definition
Spread out and examined by firefighters
Term
How many people are needed to perform the photographic
documentation?
Definition
Two
Term
How would a cornice fail in the event of fire?
Definition
Collapse at one end and swing across the front of the
building
Term
What allows the spread of flame and smoke throughout a
noncombustible building?
Definition
Combustible roof deck
Term
What is a bend, twist or curve of a structural element
under a load?
Definition
Deflection
Term
What size floor or roof beam is created with the C-beam?
Definition
20-foot (6-meter)
Term
Where should the heavy-caliber streams be placed when the
officer in command suspects an explosion to cause a wall
to collapse out into the street?
Definition
Flanking position
Term
What symbol should be used to designate the point of fire
origin?
Definition
Greek cross
Term
Which type of forces is the column subject to?
Definition
Compressive
Term
. In which building code was the masonry smoke-proof tower
eliminated?
Definition
1968
Term
Where do bricks land during a curtain-fall collapse?
Definition
Near the base of the wall
Term
What causes spalling in concrete?
Definition
Expansion of moisture in the concrete into steam
Term
How is stucco coating applied to the exterior of the
wood-frame building?
Definition
Nailed
Term
What is the expected ground area that a falling wall will
cover when it collapses?
Definition
Vertical collapse zone
Term
Where does the collapse danger in fire-resistive buildings
lie?
Definition
Concrete
Term
What can a multilevel floor collapse cause?
Definition
Enclosing wall collapse
Term
How many layers must be pulled down to check for fire
extension when there are three layers in the ceiling?
Definition
3
Term
How many station stops should the firefighter's portable
radio be able to transmit as a minimum in a subway tunnel?
Definition
Three
Term
Which is considered the most efficient way a load can be
transmitted through a structural support?
Definition
Axial
Term
Which sides may collapse simultaneously when a
triple-decker wood frame building collapses?
Definition
All four
Term
What must firefighters do at the first sign of any type of
truss construction?
Definition
Notify the officer in command
Term
Where should the firefighter place his feet when cutting
vent holes in a flat roof?
Definition
Roof side of the cuts
Term
What do firefighters often use when fire spreads through
concealed spaces above suspended ceilings in supermarkets
and rows of stores?
Definition
Large-caliber streams
Term
Where should the construction type, height in stories, and
building width and length be indicated on the fire
diagram?
Definition
Lower left hand corner
Term
What is the first priority when working from a pitched
roof?
Definition
Life safety
Term
Where will the main fire be in a timber truss building?
Definition
Roof structure
Term
What on the building supports the ends of the truss
sections?
Definition
Side Walls
Term
What should be put on the post-fire analysis when the
evidence of the cause of the collapse was destroyed by
fire?
Definition
State Subjective Opinion
Term
After what amount of fire exposure can the open-web steel
bar joist fail?
Definition
5 to 10 minutes
Term
What is often times used to support the marquee?
Definition
Parapet wall
Term
Where should the firefighter activating a drop ladder
stand during the operation?
Definition
Under the fire escape
Term
Which is a way that a wood mortise-and-tenon connection
can be weakened that is unlike other connections?
Definition
Rotting
Term
Which of the following does the veteran firefighter say
he/she cannot predict?
Definition
Collapse
Term
Which floor wall studs would fail first if a fire weakened
the bearing wall studs of all four floors at the same
time?
Definition
Ground Floor
Term
What is a buttress that is supported by a bearing wall
called?
Definition
Pilaster
Term
Where can fire spread originate that can quickly spread
and trap firefighters and victims if it is not found
during the size-up?
Definition
Sides and Rear
Term
Which type of collapse is seen on the front wall when a
timber truss roof collapses and creates a secondary
collapse of the front wall?
Definition
Inwaard/Outward
Term
Which of the following is different in that it burns and
spreads fire?
Definition
Cornice
Term
What should be used to work on a low-pitched roof?
Definition
Can be walked on
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