©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
NAFI Test Questions With Verified And
Updated Answers.
The basic methodology of the fire investigation should rely on the use of a
______________________ and attention to all relevant details.
a. systematic approach
b. approximation approach
c. methodology approach
d. general approach - answer✔a. systematic approach
With few exceptions, the proper methodolgy for a fire or explosion investigation is to first
_____________________ then investigate the cause, circumstances, conditions, or agencies
that brought the ignition source, fuel, and oxidant together.
a. determine responsibility
b. determine and establish origin(s)
c. determine if it is a criminal action
1|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
d. all of the above - answer✔b. determine and establish origin(s)
The process of determining the origin, cause, development, and responsibility as well as the
failure analysis of a fire or explosion is the definition of _________________________.
a. fire investigation
b. fire scene reconstruction
c. fire evaluation
d. fire analysis - answer✔d. fire analysis
The process of determining the origin, cause, and responsibility for a fire or explosion is
___________________________.
a. fire analysis
b. fire investigation
c. fire scene survey
d. fire evaluation - answer✔b. fire investigation
The _____________________ is the systematic pursite of knowledge involving the recognition
and formulation of a problem, the collection of data through observation and experiment, and
the formulation and testing of a hypothesis.
2|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
a. scientific method
b. scientific examination
c. scientific survey
d. scientific theory - answer✔a. scientific method
____________________ are the visible or measurable physical effects that remain after a fire.
These include thermal effects on materials, such as charring, oxidation, consumption of
combustibles, smoke and soot deposits, distortion, melting, color changes, changes in character
of materials, structural collapse, and other effects.
a. Fire arrows
b. Fire pointers
c. Fire patterns
d. Flammable patterns - answer✔c. Fire patterns
Distortion, breakage, deterioration, or other fault in an item, component, system, assembly, or
structure that results in unsatisfactory performance of the function for which it was designed is
called ________________.
3|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
a. broken
b. distorted
c. failure
d. faulty - answer✔c. failure
Vehicle fire inspections may present many other situations that pose safety hazards to the
investigator. These can include:
a. fuel leaks
b. expelled lubricants
c. electrical energy stored in the battery
d. all of the above - answer✔d. all of the above
The burn or damage patterns remaining on the body panels and in the interior of the vehicle
are primarily used to locate the ______________________.
a. origin of the fire
b. potential ignition sources
c. fuel loads
4|Page
ALL RIGHTS RESERVED.
NAFI Test Questions With Verified And
Updated Answers.
The basic methodology of the fire investigation should rely on the use of a
______________________ and attention to all relevant details.
a. systematic approach
b. approximation approach
c. methodology approach
d. general approach - answer✔a. systematic approach
With few exceptions, the proper methodolgy for a fire or explosion investigation is to first
_____________________ then investigate the cause, circumstances, conditions, or agencies
that brought the ignition source, fuel, and oxidant together.
a. determine responsibility
b. determine and establish origin(s)
c. determine if it is a criminal action
1|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
d. all of the above - answer✔b. determine and establish origin(s)
The process of determining the origin, cause, development, and responsibility as well as the
failure analysis of a fire or explosion is the definition of _________________________.
a. fire investigation
b. fire scene reconstruction
c. fire evaluation
d. fire analysis - answer✔d. fire analysis
The process of determining the origin, cause, and responsibility for a fire or explosion is
___________________________.
a. fire analysis
b. fire investigation
c. fire scene survey
d. fire evaluation - answer✔b. fire investigation
The _____________________ is the systematic pursite of knowledge involving the recognition
and formulation of a problem, the collection of data through observation and experiment, and
the formulation and testing of a hypothesis.
2|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
a. scientific method
b. scientific examination
c. scientific survey
d. scientific theory - answer✔a. scientific method
____________________ are the visible or measurable physical effects that remain after a fire.
These include thermal effects on materials, such as charring, oxidation, consumption of
combustibles, smoke and soot deposits, distortion, melting, color changes, changes in character
of materials, structural collapse, and other effects.
a. Fire arrows
b. Fire pointers
c. Fire patterns
d. Flammable patterns - answer✔c. Fire patterns
Distortion, breakage, deterioration, or other fault in an item, component, system, assembly, or
structure that results in unsatisfactory performance of the function for which it was designed is
called ________________.
3|Page
, ©THESTAR EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
a. broken
b. distorted
c. failure
d. faulty - answer✔c. failure
Vehicle fire inspections may present many other situations that pose safety hazards to the
investigator. These can include:
a. fuel leaks
b. expelled lubricants
c. electrical energy stored in the battery
d. all of the above - answer✔d. all of the above
The burn or damage patterns remaining on the body panels and in the interior of the vehicle
are primarily used to locate the ______________________.
a. origin of the fire
b. potential ignition sources
c. fuel loads
4|Page
