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What is the primary function of a roof? - CORRECT ANSWER-Protect the structure and its
contents from the effects of weather
Type IV buildings are constructed of: - CORRECT ANSWER-large-dimensioned lumber.
What are the three main types of roofs that firefighters are likely to encounter? - CORRECT
ANSWER-Flat, pitched, arched
Stairs are a unique challenge for firefighters because they can: - CORRECT ANSWER-provide a
flow path for fire gases and smoke.
With regard to fire fighting operations, doors are: - CORRECT ANSWER-a tool for controlling flow
path.
What determines a building's construction type? - CORRECT ANSWER-Construction materials
and their fire resistance
What are fire doors designed to do? - CORRECT ANSWER-Block the spread of fire within a
structure
,Which type of building construction may have interior walls and beams constructed of wood,
but requires that exterior walls be made of noncombustible or limited combustible materials? -
CORRECT ANSWER-Type III
Roof penetrations such as skylights and chimneys: - CORRECT ANSWER-may act as an exit point
for some types of ventilation.
Which type of factory-built home is the least expensive, and usually has wheels and a
permanent steel undercarriage? - CORRECT ANSWER-Mobile home
Fires in basements are likely to become more hazardous than fires in other compartments
because of: - CORRECT ANSWER-limited ventilation.
Which type of door that rotates in circular frame can be dangerous during a fire situation
because it may prevent the movement of hose and equipment into the building? - CORRECT
ANSWER-Revolving doors
Fire walls are designed to: - CORRECT ANSWER-prevent the spread of fire between buildings or
occupancy classifications.
Which type of building construction provides the highest level of protection from fire and
structural collapse? - CORRECT ANSWER-Type I
Which type of building construction is commonly encountered in single-family residences and is
known as wood frame construction? - CORRECT ANSWER-Type V
Roof modifications such as rooftop gardens or photovoltaic panels should be identified during
preincident surveys and initial size-up: - CORRECT ANSWER-so that firefighters will be aware of
them in case the structure needs to be ventilated.
, If there are no openings for lateral movement during the growth stage of a fire, the hot gases
released during combustion will fill the compartment: - CORRECT ANSWER-starting at the
ceiling and filling down.
What is the primary oxidizing agent in most fires? - CORRECT ANSWER-Oxygen in the air
Which type of fuel is difficult to extinguish using water as the only extinguishing agent? -
CORRECT ANSWER-Liquids that are less dense than water.
In order to burn, fuel must be in a _____ state. - CORRECT ANSWER-gaseous
The range of concentrations of fuel vapor and air within which combustion can occur is the: -
CORRECT ANSWER-flammable (explosive) range.
Most residential fires that develop beyond the incipient state become: - CORRECT ANSWER-
ventilation limited.
The total quantity of combustible contents of a building, space, or fire area is referred to as the:
- CORRECT ANSWER-fuel load.
Development of a fire in the incipient stage depends largely upon the: - CORRECT ANSWER-
characteristics and configuration of the fuel involved.
Which is an example of a self-sustaining chemical reaction? - CORRECT ANSWER-Flaming
combustion
Which stage of fire occurs when all combustible materials in the compartment are burning at
their peak heat release rate based on the available oxygen? - CORRECT ANSWER-Fully
developed