ANSWERS 100% CORRECT
In order for the Incident Management System to function properly, it must contain
which component? - ANSWERIncident Action Plans
Under the Incident Command structure: - ANSWERa chief officer arriving after
command has been established may assume command
Transfer of command is best accomplished: - ANSWERface to face
Natural roof ventilation openings consist of: - ANSWERScuttles hatches, skylights,
stairwell openings bulkheads
Whenever possible, forced mechanical ventilation should be directed: - ANSWERin
the same direction as the wind
Before cutting an opening in a roof, firefighting should: - ANSWERcheck for natural
or existing openings
To locate a fire and create a chimney effect, the primary ventilation hole should be
placed: - ANSWERdirectly over the fire
When determining the structural condition of a building following a fire, it is important
to consider the: - ANSWERThe intensity of the fire and amount of water used to
control the fire
In a fire situation, the main sprinkler control valve should be closed: - ANSWEROnly
after the officer in charge has ordered the valve closed
The most frequently used hose size for interior fire attack is: - ANSWER1-3/4"
handline
Items found in the typical control room of a high-rise building may include a: -
ANSWERFire alarm panel
Which is the must common type of foam proportioner used in the fire service? -
ANSWERIn-line educator
A __________ nozzle is used with a foam proportioner used in the fire service? -
ANSWERFog
The elements needed to produce quality firefighting mechanical foam include: -
ANSWERair, water, and concentrate
, Class A foams are essentially wetting agents that _____ of water - ANSWERreduce
the surface tension
On what class of fire are compressed air foam systems most effective? -
ANSWERClass A
Production of an adequate amount of bubbles to form an effective foam blanket is
the definition of: - ANSWERaeration
To ensure maximum effectiveness, use foam concentrates ____________ the
specific percentage for which they intended to be proportioned. - ANSWERonly at
The most effective type of foam for use on polar solvents is: - ANSWERalcohol-
resistant/aqueous film forming (AFFF)
Application rate in relationship to a flammable liquid fire is: - ANSWERamount of
foam or foam solution needed to extinguish a fire:
Which is one of the ways foams is applied using a nozzle? - ANSWERRain down
technique
Once the valve on a container of flammable gases has been shut off the hose crew
should: - ANSWERcontinue to apply water as they exit the area
Air aspirating for nozzles: - ANSWERare recommended for use with protein and
fluoroprotein foams
Which is a method by which foam may be proportioned? -
ANSWERInduction/eduction
Which statement is correct regarding foam application? - ANSWERFog nozzles are
best used with Class A foams
Class A foams are used at _________ percent. - ANSWER0.1 - 1
An advantage of Class A foam is that it: - ANSWERallows water to penetrate dense
materials instead of running off the surface
Which foam application technique requires the stream to be broken to preventing
splashing? - ANSWERRain down technique
The part of the total pressure that is lost when water is forced through pipe, fittings,
fire hose, and adapter is called: - ANSWERFriction loss
Hidden fire can be checked by using a - ANSWERThermal imaging device
At 212*F , water expands to _________ times it's originals volume when it converts
to stream. - ANSWER1700