NAFI CFEI Latest Update 2024-2025 Actual Exam
160 Questions and 100% Verified Correct
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all of the above - CORRECT ANSWER: Fire deaths can occur from:
a.Inhalation of hot gases
b.Inhalation of toxic gases
c.Thermal Burns
d.All of the Above
all of the above - CORRECT ANSWER: Prior to conducting an on scene investigation
many things should be identified, including:
a.Date and time of incident
b.Size and complexity of the incident
c.Purpose of the investigation
d.All of the above
all of the above - CORRECT ANSWER: Which of the following can be defined as a fuel
gas?
a.Natural gas
b.Liquefied petroleum gas
c.Manufactured gases
d. all of the above
backdraft - CORRECT ANSWER: A deflagration resulting from the sudden introduction
of air into a confined space containing oxygendeficient products of incomplete
combustion.
a.Flashover
,b.Flameover
c.Smoke Explosion
d.Backdraft
conduction - CORRECT ANSWER: Heat transfer to another body or within a body by
direct contact is called:
a.Conduction.
b.Convection.
c.Radiation.
d.Pyrolysis.
deductive reasoning - CORRECT ANSWER: Testing of a hypothesis by comparing the
investigators hypothesis to all known facts is using____________ reasoning.
a.Deductive
b.Inductive
c.Both A and B
d.Neither A or B
empirical - CORRECT ANSWER: Data that is based on observation or experience and
can be verified is called:
a.Anecdotal data
b.Empirical data
c.Qualitative data
d.Categorical data
false - CORRECT ANSWER: A BLEVE is a type of explosion involving the ignition of a
dispersed vapor cloud?
a.True
b.False
, false - CORRECT ANSWER: In a compartment, flashover occurs because convective
heat energy raises combustible to their auto-ignition temperature.
a.True
b.False
false - CORRECT ANSWER: In a fire, the human body is completely consumed?
a.True
b.False
false - CORRECT ANSWER: In pre-flashover conditions the primary heat transfer
mechanism for fire spread through a
compartment is radiation.
a.True
b.False
false - CORRECT ANSWER: Materials which have been properly treated with flame-
retardants will not undergo pyrolysis andfor this reason will not ignite.
a.True
b.False
Fault tree - CORRECT ANSWER: A diagram that places, in a logical sequence, the
conditions and chains of events that are necessaryfor a fire or explosion to occur is
called:
a.Timeline
b.Systems analysis
c.Fault tree
d.Computer modeling
the geometric shape of the pattern - CORRECT ANSWER: What does the "V" in V-
pattern represent?
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