Actual Complete 2026/2027 Real Exam Questions And
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The weighing of risk versus rewards is a practice referred
to as __?__ - ANSWER-Risk management
The number one cause of death to firefighters is __?__
because of cycling of the bodies. - ANSWER-Heart attack
As designed NFPA __?__ standard for low, medium, and
high expansion foam, foam is a stable aggregation of
,bubbles of lower density than oil or water.. - ANSWER-
NFPA 11
Foams are defined by expansion and subdivided into what
three ranges? - ANSWER-Low expansion up to 20
Medium expansion from 20 to 200
High expansion from 200 to approximately 1000
What is the only agent capable of suppressing vapors and
providing visible proof of security? - ANSWER-Foam
Exclude oxygen from fuel vapors, cool the fuel surface
with the water content of the phone, prevent the release of
flammable vapors from the fuel surface, and emulsify the
,fuel. These are ways foam can __?__ - ANSWER-Control
and extinguish flammable liquid fires
What are the four elements necessary to produce a quality
foam blanket? - ANSWER-1.) foam concentrate
2.) water
3.) Air
4.) Aeration / mechanical agitation
Has the foam been stored outside in the elements, has the
foam expired, has the stored foam been tested by the
department or laboratory? These are all questions to ask
for determining if the poor foam production is due to the
__?__ - ANSWER-Foam itself
, What are the three ways to apply foam? - ANSWER-1.)
bank in
2.) bounce off
3.) rain down "least effective"
Class C fires
Three- dimensional fires
Pressurized gases
Class D fires
Are fires in which what agent isn't effective on? -
ANSWER-Foam