NAFI EXAM 2025| BRAND NEW ACTUAL EXAM
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1. 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 - correct answer - a. systematic approach
2. 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
d. all of the above - correct answer - b. determine and establish origin(s)
3. 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 _________________________.
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a. fire investigation
b. fire scene reconstruction
c. fire evaluation
d. fire analysis - correct answer - d. fire analysis
4. 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 - correct answer - b. fire investigation
5. 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.
a. scientific method
b. scientific examination
c. scientific survey
d. scientific theory - correct answer - a. scientific method
6. ____________________ 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.
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a. Fire arrows
b. Fire pointers
c. Fire patterns
d. Flammable patterns - correct answer - c. Fire patterns
7. 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 ________________.
a. broken
b. distorted
c. failure
d. faulty - correct answer - c. failure
8. 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 - correct answer - d. all of the above
9. The burn or damage patterns remaining on the body panels and in the
interior of the vehicle are primarily used to locate the
______________________.