IAAI CFI (International Association of Arson
Investigators – Certified Fire Investigator) Exam
2025–2026 Accurate Real Exam Questions and
Verified Correct Answers JUST RELEASED
The information presented in NFPA 921 establishes WHAT? - answer>>>Guidelines
Biological, chemical, physical, and radiological are examples of this concept that fire
investigators should be aware of when investigating a fire scene - answer>>>Hazards
The first cutting unit on a combine - answer>>>Header
The measure of the rate of heat transfer to a surface - answer>>>Heat flux
The amount of heat released during complete combustion, which is considered a constant
for a specific fuel
(Generally considered a material property and therefore a constant for a specific fuel) -
answer>>>Heat of Combustion
The heat energy that brings about ignition
(divided into two parts: (a) equipment involved in ignition and (b) form of heat of ignition)
- answer>>>Heat of Ignition
The fire characteristic that most affects fire growth during the pre-flashover phase of a
fire - answer>>>Heat Release Rate
The transport of heat energy from one point to another point, caused by temperature
difference between those points - answer>>>Heat transfer
The fire phenomenon responsible for much of the physical evidence used by fire
investigators - answer>>>Heat transfer
The shattering type of explosion damage - answer>>>High-Order Damage
,The type of number an investigator should look for during a boat fire investigation -
answer>>>H.I.N.
This vehicle component will NOT usually ignite gasoline - answer>>>Hot Surfaces
Component of the human body that will act as a fuel and sustain a flame -
answer>>>Human Body Fat
Any substance that will spontaneously ignite or explode upon exposure to an oxidizer. -
answer>>>Hypergolic Material
Materials that can react with each other - answer>>>Hypergolic Materials
A type of material that, when trapped in a concrete floor, can be recovered by using lime,
diatomaceous earth, or non-self-rising flour. - answer>>>Ignitable Liquid
Ignition that involves transferring sufficient heat to a fuel by passage of electrical current
to ignite material that is closeby - answer>>>Ignition by Electrical Energy
The minimum temperature needed to heat a fuel so as to ignite and begin self-sustained
combustion - answer>>>Ignition Temperature
An item that tends to "pull" toward the heat source
(*if over 25 watts) - answer>>>Incandescent Light Bulbs
A category of fire that is strongly indicated by the confirmation of multiple fires -
answer>>>Incendiary Fire
A category of fire that is associated with multiple fires and trailers - answer>>>Incendiary
Fire
This person can grant permission for a fire investigator to enter a scene before the fire is
completely extinguished - answer>>>Incident Scene Commander
The reasoning process of moving from specific observation to broader generalizations
(*Induction is to "increase"
, *Develop hypothesis ("induce")
*More uncertain than deduction
*Based on empirical data, training, and experience) - answer>>>Inductive Reasoning
Any person, entity, or organization with obligations or whose rights or interest might be
affected by the investigation of a specific incident - answer>>>Interested Party
(1) Trust, (2) Caution, and (3) Distrust are three types of what? - answer>>>Interviews
This fire pattern is often caused by a natural gas leak - answer>>>Inverted Cone Pattern
Fire patterns commonly created when a vertical flame plume does not reach the ceiling -
answer>>>Inverted Cone Patterns
In what group is one representative selected from each investigative party? -
answer>>>Team Leader Committee
A certain pattern that is not necessarily an indicator of the presence of an ignitable liquid -
answer>>>Irregular Pattern
A professional description that (1) describes the specific job task, (2) lists items necessary
to complete the task, and (3) describes measurable outcomes and evaluations for the task
- answer>>>Job Performance Requirement
These can occur simultaneously and involve separate and independent examinations
through which each party may develop an independent hypothesis - answer>>>Joint
Investigations
Which of these fuels has the lowest ignition temperature: kerosene, gasoline, methane,
or propane? - answer>>>Kerosene
The type of energy that is converted suddenly from potential energy during an explosion,
with the production and release of gases under pressure. - answer>>>Kinetic Energy
This entity must confirm any sample obtained by canine alert, to be considered valid -
answer>>>Laboratory Analysis
Investigators – Certified Fire Investigator) Exam
2025–2026 Accurate Real Exam Questions and
Verified Correct Answers JUST RELEASED
The information presented in NFPA 921 establishes WHAT? - answer>>>Guidelines
Biological, chemical, physical, and radiological are examples of this concept that fire
investigators should be aware of when investigating a fire scene - answer>>>Hazards
The first cutting unit on a combine - answer>>>Header
The measure of the rate of heat transfer to a surface - answer>>>Heat flux
The amount of heat released during complete combustion, which is considered a constant
for a specific fuel
(Generally considered a material property and therefore a constant for a specific fuel) -
answer>>>Heat of Combustion
The heat energy that brings about ignition
(divided into two parts: (a) equipment involved in ignition and (b) form of heat of ignition)
- answer>>>Heat of Ignition
The fire characteristic that most affects fire growth during the pre-flashover phase of a
fire - answer>>>Heat Release Rate
The transport of heat energy from one point to another point, caused by temperature
difference between those points - answer>>>Heat transfer
The fire phenomenon responsible for much of the physical evidence used by fire
investigators - answer>>>Heat transfer
The shattering type of explosion damage - answer>>>High-Order Damage
,The type of number an investigator should look for during a boat fire investigation -
answer>>>H.I.N.
This vehicle component will NOT usually ignite gasoline - answer>>>Hot Surfaces
Component of the human body that will act as a fuel and sustain a flame -
answer>>>Human Body Fat
Any substance that will spontaneously ignite or explode upon exposure to an oxidizer. -
answer>>>Hypergolic Material
Materials that can react with each other - answer>>>Hypergolic Materials
A type of material that, when trapped in a concrete floor, can be recovered by using lime,
diatomaceous earth, or non-self-rising flour. - answer>>>Ignitable Liquid
Ignition that involves transferring sufficient heat to a fuel by passage of electrical current
to ignite material that is closeby - answer>>>Ignition by Electrical Energy
The minimum temperature needed to heat a fuel so as to ignite and begin self-sustained
combustion - answer>>>Ignition Temperature
An item that tends to "pull" toward the heat source
(*if over 25 watts) - answer>>>Incandescent Light Bulbs
A category of fire that is strongly indicated by the confirmation of multiple fires -
answer>>>Incendiary Fire
A category of fire that is associated with multiple fires and trailers - answer>>>Incendiary
Fire
This person can grant permission for a fire investigator to enter a scene before the fire is
completely extinguished - answer>>>Incident Scene Commander
The reasoning process of moving from specific observation to broader generalizations
(*Induction is to "increase"
, *Develop hypothesis ("induce")
*More uncertain than deduction
*Based on empirical data, training, and experience) - answer>>>Inductive Reasoning
Any person, entity, or organization with obligations or whose rights or interest might be
affected by the investigation of a specific incident - answer>>>Interested Party
(1) Trust, (2) Caution, and (3) Distrust are three types of what? - answer>>>Interviews
This fire pattern is often caused by a natural gas leak - answer>>>Inverted Cone Pattern
Fire patterns commonly created when a vertical flame plume does not reach the ceiling -
answer>>>Inverted Cone Patterns
In what group is one representative selected from each investigative party? -
answer>>>Team Leader Committee
A certain pattern that is not necessarily an indicator of the presence of an ignitable liquid -
answer>>>Irregular Pattern
A professional description that (1) describes the specific job task, (2) lists items necessary
to complete the task, and (3) describes measurable outcomes and evaluations for the task
- answer>>>Job Performance Requirement
These can occur simultaneously and involve separate and independent examinations
through which each party may develop an independent hypothesis - answer>>>Joint
Investigations
Which of these fuels has the lowest ignition temperature: kerosene, gasoline, methane,
or propane? - answer>>>Kerosene
The type of energy that is converted suddenly from potential energy during an explosion,
with the production and release of gases under pressure. - answer>>>Kinetic Energy
This entity must confirm any sample obtained by canine alert, to be considered valid -
answer>>>Laboratory Analysis
