NAFI CFEI Exam Questions and Answers
Question 1
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
Correct Answer
Fault tree
Question 2
Which of the following is NOT one of the three elements of arson?
a.There has been burning of property
b.The burning is incendiary in origin
c.The burning is shown to be started with malice with the intent of destroying
property
d.There is a gasoline can found on the premises
Correct Answer
There is a gasoline pattern found on the premises
Question 3
In a compartment, flashover occurs because convective heat energy raises
combustible to their auto-ignition temperature.
a.True
b.False
Correct Answer
false
Page 1 of 128
,Question 4
Combustion may continue with available oxygen concentrations lower than 1 percent.
a.True
b.False
Correct Answer
true
Question 5
In pre-flashover conditions the primary heat transfer mechanism for fire spread
through a
compartment is radiation.
a.True
b.False
Correct Answer
false
Question 6
Materials which have been properly treated with flame-retardants will not undergo
pyrolysis andfor this reason will not ignite.
a.True
b.False
Correct Answer
false
Question 7
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
Correct Answer
all of the above
Page 2 of 128
,Question 8
Protected areas result from an object or item prohibiting the products of combustion
from depositingon materials which the object protects.
a.True
b.False
Correct Answer
true
Question 9
The court usually permits the fire and explosion investigator to refresh his memory
from his noteswhile testifying in a deposition or trial?
a.True
b.False
Correct Answer
true
Question 10
Probable cause is not needed to obtain an administrative search warrant.
a.True
b.False
Correct Answer
true
Question 11
Luminescent flame temperatures are dependant on the fuel to oxygen ratio.
a.True
b.False
Correct Answer
true
Page 3 of 128
, Question 12
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
Correct Answer
empirical
Question 13
The investigative tool used to graphically or in a narrative manner depict events
relating to a fire or explosion in chronological order is called:
a.Timeline
b.Systems analysis
c.Fault tree
d.Computer modeling
Correct Answer
timeline
Question 14
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
Correct Answer
deductive reasoning
Page 4 of 128
Question 1
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
Correct Answer
Fault tree
Question 2
Which of the following is NOT one of the three elements of arson?
a.There has been burning of property
b.The burning is incendiary in origin
c.The burning is shown to be started with malice with the intent of destroying
property
d.There is a gasoline can found on the premises
Correct Answer
There is a gasoline pattern found on the premises
Question 3
In a compartment, flashover occurs because convective heat energy raises
combustible to their auto-ignition temperature.
a.True
b.False
Correct Answer
false
Page 1 of 128
,Question 4
Combustion may continue with available oxygen concentrations lower than 1 percent.
a.True
b.False
Correct Answer
true
Question 5
In pre-flashover conditions the primary heat transfer mechanism for fire spread
through a
compartment is radiation.
a.True
b.False
Correct Answer
false
Question 6
Materials which have been properly treated with flame-retardants will not undergo
pyrolysis andfor this reason will not ignite.
a.True
b.False
Correct Answer
false
Question 7
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
Correct Answer
all of the above
Page 2 of 128
,Question 8
Protected areas result from an object or item prohibiting the products of combustion
from depositingon materials which the object protects.
a.True
b.False
Correct Answer
true
Question 9
The court usually permits the fire and explosion investigator to refresh his memory
from his noteswhile testifying in a deposition or trial?
a.True
b.False
Correct Answer
true
Question 10
Probable cause is not needed to obtain an administrative search warrant.
a.True
b.False
Correct Answer
true
Question 11
Luminescent flame temperatures are dependant on the fuel to oxygen ratio.
a.True
b.False
Correct Answer
true
Page 3 of 128
, Question 12
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
Correct Answer
empirical
Question 13
The investigative tool used to graphically or in a narrative manner depict events
relating to a fire or explosion in chronological order is called:
a.Timeline
b.Systems analysis
c.Fault tree
d.Computer modeling
Correct Answer
timeline
Question 14
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
Correct Answer
deductive reasoning
Page 4 of 128
