CFI Certified Fire Investigator Latest Exam Prep
Guide/ Newest IAAI CFI Exam Prep Questions Bank
– A comprehensive review of 350 Latest Practice
Questions and Correct Answers/ IAAI CFI Exam Prep
Test Bank (Latest 2026-2027)
An investigator can closely examine this component of a cord to determine if it
was plugged into a receptacle.
A) Insulation
B) Brass Prongs (male ends)
C) Cord Jacket
D) Strain Relief
-ANSWER- B) Brass Prongs (male ends)
The chemical and physical changes that occur in gypsum wallboard surfaces
during a fire.
A) Spalling
B) Calcination
C) Crazing
D) Sintering
-ANSWER- B) Calcination
A narcotic gas that one might be exposed to in a fire.
A) Hydrogen Cyanide
B) Carbon Monoxide
C) Carbon Dioxide
D) Methane
-ANSWER- B) Carbon Monoxide
The levels of this toxin dissipate over time after removal from the fire
environment.
A) Hydrogen Cyanide
B) Carbon Monoxide
C) Carbon Dioxide
1
,D) Hydrogen Sulfide
-ANSWER- B) Carbon Monoxide
Most engine fires typically penetrate the interior compartment at this location of
the vehicle.
A) Bottom Driver Side of the Windshield
B) Bottom Passenger Side of the Windshield
C) Center of the Dashboard
D) Floorboard
-ANSWER- B) Bottom Passenger Side of the Windshield
This toxic condition does NOT cause a cherry-pink coloration to the skin of the
fire victim and is NOT visible on all skin types.
A) Hydrogen Cyanide Poisoning
B) Carbon Monoxide Poisoning
C) Smoke Inhalation
D) Thermal Injury
-ANSWER- B) Carbon Monoxide Poisoning
This occurrence is the most common open-flame ignition source in non-fuel
injected vehicles.
A) Electrical Spark
B) Carburetor Backfire
C) Exhaust System
D) Catalytic Converter
-ANSWER- B) Carburetor Backfire
When the fire plume reaches the ceiling of a room and moves laterally along the
ceiling.
A) Ceiling jet
B) Thermal Layer
C) Smoke Plume
D) Fire Roll
-ANSWER- A) Ceiling jet
An item in the home that burns at a peak HRR of 3000-5000 kW, which is hotter
than a pool of gasoline or a polyurethane chair.
A) Sofa
B) Christmas Tree
C) Mattress
2
,D) Drapes
-ANSWER- B) Christmas Tree
This occurs when intense radiated heat or direct flame contacts a surface during the
fire, burning away deposits.
A) Clean Burn
B) Charring
C) Spalling
D) Calcination
-ANSWER- A) Clean Burn
This is a fire effect to furniture that does NOT provide the investigators with clues
concerning the type of ignition source, but can show fire spread and intensity.
A) Burned Upholstery
B) Collapsed Furniture Springs
C) Melted Plastic
D) Charred Wood
-ANSWER- B) Collapsed Furniture Springs
A fire characteristic that is NOT necessarily an accurate indicator of the flame
temperature.
A) Color
B) Intensity
C) Size
D) Duration
-ANSWER- A) Color
This feature distinguishes the heat-sensitive bulbs of sprinkler heads from each
other.
A) Size
B) Color Codes
C) Shape
D) Material
-ANSWER- B) Color Codes
A chemical process of oxidation, which occurs at a rate fast enough to produce
heat and usually light in the form of either a glow or a flame.
A) Oxidation
B) Combustion
C) Pyrolysis
3
, D) Vaporization
-ANSWER- B) Combustion
A building design feature that aims to limit the fire to its origin.
A) Firewall
B) Compartmentation
C) Fire Door
D) Sprinkler System
-ANSWER- B) Compartmentation
Located at the origin, these should be considered individually during the
development of a cause hypothesis.
A) Fuel Sources
B) Competent Ignition Source
C) Oxidizers
D) Fire Patterns
-ANSWER- B) Competent Ignition Source
This should be donned when dealing with hazardous chemicals.
A) Safety Glasses
B) Complete PPE
C) Gloves Only
D) Respiratory Protection Only
-ANSWER- B) Complete PPE
An example of heat transfer, when the heating of a steel beam to an unexposed part
of a building results in a fire in that location.
A) Convection
B) Conduction
C) Radiation
D) Direct Flame Contact
-ANSWER- B) Conduction
Overheating on a circuit is most likely to occur at this location on a circuit.
A) Midpoint of the Wire
B) Connection Points
C) Breaker Panel
D) Load Device
-ANSWER- B) Connection Points
4
Guide/ Newest IAAI CFI Exam Prep Questions Bank
– A comprehensive review of 350 Latest Practice
Questions and Correct Answers/ IAAI CFI Exam Prep
Test Bank (Latest 2026-2027)
An investigator can closely examine this component of a cord to determine if it
was plugged into a receptacle.
A) Insulation
B) Brass Prongs (male ends)
C) Cord Jacket
D) Strain Relief
-ANSWER- B) Brass Prongs (male ends)
The chemical and physical changes that occur in gypsum wallboard surfaces
during a fire.
A) Spalling
B) Calcination
C) Crazing
D) Sintering
-ANSWER- B) Calcination
A narcotic gas that one might be exposed to in a fire.
A) Hydrogen Cyanide
B) Carbon Monoxide
C) Carbon Dioxide
D) Methane
-ANSWER- B) Carbon Monoxide
The levels of this toxin dissipate over time after removal from the fire
environment.
A) Hydrogen Cyanide
B) Carbon Monoxide
C) Carbon Dioxide
1
,D) Hydrogen Sulfide
-ANSWER- B) Carbon Monoxide
Most engine fires typically penetrate the interior compartment at this location of
the vehicle.
A) Bottom Driver Side of the Windshield
B) Bottom Passenger Side of the Windshield
C) Center of the Dashboard
D) Floorboard
-ANSWER- B) Bottom Passenger Side of the Windshield
This toxic condition does NOT cause a cherry-pink coloration to the skin of the
fire victim and is NOT visible on all skin types.
A) Hydrogen Cyanide Poisoning
B) Carbon Monoxide Poisoning
C) Smoke Inhalation
D) Thermal Injury
-ANSWER- B) Carbon Monoxide Poisoning
This occurrence is the most common open-flame ignition source in non-fuel
injected vehicles.
A) Electrical Spark
B) Carburetor Backfire
C) Exhaust System
D) Catalytic Converter
-ANSWER- B) Carburetor Backfire
When the fire plume reaches the ceiling of a room and moves laterally along the
ceiling.
A) Ceiling jet
B) Thermal Layer
C) Smoke Plume
D) Fire Roll
-ANSWER- A) Ceiling jet
An item in the home that burns at a peak HRR of 3000-5000 kW, which is hotter
than a pool of gasoline or a polyurethane chair.
A) Sofa
B) Christmas Tree
C) Mattress
2
,D) Drapes
-ANSWER- B) Christmas Tree
This occurs when intense radiated heat or direct flame contacts a surface during the
fire, burning away deposits.
A) Clean Burn
B) Charring
C) Spalling
D) Calcination
-ANSWER- A) Clean Burn
This is a fire effect to furniture that does NOT provide the investigators with clues
concerning the type of ignition source, but can show fire spread and intensity.
A) Burned Upholstery
B) Collapsed Furniture Springs
C) Melted Plastic
D) Charred Wood
-ANSWER- B) Collapsed Furniture Springs
A fire characteristic that is NOT necessarily an accurate indicator of the flame
temperature.
A) Color
B) Intensity
C) Size
D) Duration
-ANSWER- A) Color
This feature distinguishes the heat-sensitive bulbs of sprinkler heads from each
other.
A) Size
B) Color Codes
C) Shape
D) Material
-ANSWER- B) Color Codes
A chemical process of oxidation, which occurs at a rate fast enough to produce
heat and usually light in the form of either a glow or a flame.
A) Oxidation
B) Combustion
C) Pyrolysis
3
, D) Vaporization
-ANSWER- B) Combustion
A building design feature that aims to limit the fire to its origin.
A) Firewall
B) Compartmentation
C) Fire Door
D) Sprinkler System
-ANSWER- B) Compartmentation
Located at the origin, these should be considered individually during the
development of a cause hypothesis.
A) Fuel Sources
B) Competent Ignition Source
C) Oxidizers
D) Fire Patterns
-ANSWER- B) Competent Ignition Source
This should be donned when dealing with hazardous chemicals.
A) Safety Glasses
B) Complete PPE
C) Gloves Only
D) Respiratory Protection Only
-ANSWER- B) Complete PPE
An example of heat transfer, when the heating of a steel beam to an unexposed part
of a building results in a fire in that location.
A) Convection
B) Conduction
C) Radiation
D) Direct Flame Contact
-ANSWER- B) Conduction
Overheating on a circuit is most likely to occur at this location on a circuit.
A) Midpoint of the Wire
B) Connection Points
C) Breaker Panel
D) Load Device
-ANSWER- B) Connection Points
4
