NAFI Exam Questions and Answers Latest Update 2023
(100% Verified Answers) Assured Success (87Qs)
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 answers ✅a. systematic approach
With few exceptions, the proper methodology 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. determines responsibility.
b. determines and establish origin(s)
c. determines if it is a criminal action.
d. all the above – correct answers ✅b. determine and establish origin(s)
NAFI Exam Questions and Answers Latest Update 2023
(100% Verified Answers) Assured Success (87Qs)
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 – correct answers ✅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 – correct answers ✅b. fire investigation
The _________ is the systematic pursite of knowledge
involving the recognition and formulation of a problem, the collection of
NAFI Exam Questions and Answers Latest Update 2023
(100% Verified Answers) Assured Success (87Qs)
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 answers ✅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 – correct answers ✅c. Fire patterns
NAFI Exam Questions and Answers Latest Update 2023
(100% Verified Answers) Assured Success (87Qs)
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 answers ✅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 – correct answers ✅d. all of the above