__________ is established at every incident and is maintained
from the time that the first unit arrives until the time that the last
unit leaves. Correct Answers command
___________ must be accomplished before digging out a victim
Correct Answers shoring
______________ mixes the foam concentrate into the fire
stream in the proper percentage. The two types of proportioners
—_________________and__________—are available in a wide
range of sizes and capacities Correct Answers foam
proportioner
eductors
injectors
, foam concentrate is mixed with water in different ratios to
produce a ________-. Air is introduced into the foam solution to
produce firefighting foam Correct Answers foam solution
; depending on the type and size of the leak, an __________
might be necessary Correct Answers evacuation
. As it exits the nozzle, the compressed air expands, producing a
finished foam product. Correct Answers CAF system
. If possible, photograph the item... Correct Answers exactly as
it was found, before it is moved or disturbed
,. Most departments use ________ to indicate that a fire fighter is
lost, is missing, or requires immediate assistance. Correct
Answers mayday
. NFPA 921 recommends] using the _____________to
determine the origin and cause of a fire. Correct Answers
scientific method
. Some concentrates have been known to react with other types
of foams, causing a _________ of the concentrate in the storage
containers or in the foam delivery system Correct Answers
congealing
. The transfer of command at complex incidents, however,
should be done _________ to avoid unnecessary radio traffic.
Correct Answers face to face
.....are used to snug loose cribbing when the void space is not
big enough to accommodate a regular-sized crib. Correct
Answers wedges
(also called real evidence) consists of items that can be
observed, photographed, measured, collected, examined in a
laboratory, and produced in court to prove or demonstrate a
point Correct Answers physical evidence
■ If the air bag did not deploy... Correct Answers disconnect
the battery and allow the air bag capacitor to discharges
, 3 safety rules for approaching a TRI scene Correct Answers
Approach the scene cautiously. ■ Position the apparatus
properly. ■ Assist the specialized team members as needed.
4 ICS sections Correct Answers ■ Operations ■ Planning ■
Logistics ■ Finance/administration
A 3% foam mixes ___ gal of foam concentrate with ___ gal of
water (3 L of concentrate to 97 L of water) to produce 100 gal
(100 L) of foam solution Correct Answers 3
97
a fire effect that was once believed to indicate exactly how long
a material was exposed to fire. Newer research indicates that this
method is unreliable Correct Answers depth of char
a higher level of combined resources than divisions and groups.
At a major incident, several different activities may occur in
separate geographic areas or involve distinct functions Correct
Answers a branch
a management concept in which each person reports to only one
direct supervisor Correct Answers unity of command
a primary source of information for the incident report Correct
Answers property owner / occupant
A propane cylinder is always equipped with a
_______________ to allow excess pressure to escape, thereby
preventing an explosion if the tank becomes overheated Correct
Answers pressure relief valve