IAAI CFI EXAM 2025|ACTUAL EXAM QUESTIONS AND ACCURATE
ANSWERS|EXPERT VERIFIED FOR GUARANTEED PASS|LATEST VERSION
The process of electrically connecting two or more conductive objects - CORRECT ANSWER -
Bonding
Most engine fires typically penetrate the interior compartment at this location of the vehicle -
CORRECT ANSWER - Bottom Passenger Side of the Windshield
An investigator can closely examine this component of a cord to determine if it was plugged into
a receptacle - CORRECT ANSWER - Brass Prongs (male ends)
The chemical and physical changes that occur in gypsum wallboard surfaces during a fire -
CORRECT ANSWER - Calcination
A narcotic gas that one might be exposed to in the fire - CORRECT ANSWER - Carbon Monoxide
The levels of this toxin dissipate over time after removal from the fire environment. - CORRECT
ANSWER - Carbon Monoxide
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 - CORRECT ANSWER - Carbon Monoxide Poisoning
This occurrence is the most common open-flame ignition source in non-fuel injected vehicles -
CORRECT ANSWER - Carburetor Backfire
When the fire plume reaches the ceiling of a room and moves laterally along the ceiling -
CORRECT ANSWER - Ceiling jet
,An item in the home that burns at a peak HRR of 3000-5000kW, which is hotter than a pool of
gasoline or a polyurethane chair - CORRECT ANSWER - Christmas Tree
This occurs when intense radiated heat or direct flame contacts a surface during the fire,
burning away deposits - CORRECT ANSWER - 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 - CORRECT ANSWER -
Collapsed Furniture Springs
A fire characteristic that is NOT necessarily an accurate indicator of the flame temperature -
CORRECT ANSWER - Color
This feature distinguishes the heat-sensitive bulbs of sprinkler heads from each other - CORRECT
ANSWER - 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 - CORRECT ANSWER - Combustion
A building design feature that aims to limit the fire to its origin. - CORRECT ANSWER -
Compartmentation
Located at the origin, these should be considered individually during the development of a
cause hypothesis - CORRECT ANSWER - Competent Ignition Source
This should be donned when dealing with hazardous chemicals - CORRECT ANSWER - 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 - CORRECT ANSWER - Conduction
Overheating on a circuit is most likely to occur at this location on a circuit - CORRECT ANSWER -
Connection Points
Consensus agreement between interested parties should be developed prior to the
commencement of WHAT? - CORRECT ANSWER - Joint Investigation
Complicated patterns in glass - CORRECT ANSWER - Crazing
A type of scene or circumstances, in which fires do NOT always destroy all physical evidence -
CORRECT ANSWER - Crime Scenes
A factor in OHM's law that can be calculated if you know resistance and voltage - CORRECT
ANSWER - Current (amperage)
The reasoning in the scientific method used to test an hypothesis - CORRECT ANSWER -
Deductive Reasoning
The reasoning process of moving from generalizations to particular assertion
(*"Reduce to Deduce"
*Test hypothesis ("deduce")
*Test based on known facts
*More confident assertion than induction) - CORRECT ANSWER - Deductive Reasoning
Type of evidence consisting of tangible items
, *as opposed to Testimonial Evidence or Documentary (written) Evidence - CORRECT ANSWER -
Demonstrative Evidence
A burn pattern analysis that is MORE useful for evaluating fire spread, rather than length or
intensity of burning - CORRECT ANSWER - Depth of Char
All voltages are _________________, which means that a battery or DC generator creates a
potential difference that can force charge through a wire - CORRECT ANSWER - Differential
The ordinary sustained burning mode in most fires - CORRECT ANSWER - Diffusion Flame
Burning
By taking these two steps, an investigator can obtain the manufacturer's name, model & serial
numbers, manufacture date, and any warnings on an appliance, determined to be in the area of
fire origin - CORRECT ANSWER - Document and Carefully Move
What type of evidence is an investigator's report? - CORRECT ANSWER - Documentary Evidence
A key method used by investigators when an appliance is determined to be in the area of origin,
particularly the positioning of all controls and components. - CORRECT ANSWER -
Documentation
The standards that gas cylinders must conform to
(Dept. of Transportation) - CORRECT ANSWER - DOT Standards
Types of fuses that have one element for overloads and another element for short circuits -
CORRECT ANSWER - Dual Element Fuses
ANSWERS|EXPERT VERIFIED FOR GUARANTEED PASS|LATEST VERSION
The process of electrically connecting two or more conductive objects - CORRECT ANSWER -
Bonding
Most engine fires typically penetrate the interior compartment at this location of the vehicle -
CORRECT ANSWER - Bottom Passenger Side of the Windshield
An investigator can closely examine this component of a cord to determine if it was plugged into
a receptacle - CORRECT ANSWER - Brass Prongs (male ends)
The chemical and physical changes that occur in gypsum wallboard surfaces during a fire -
CORRECT ANSWER - Calcination
A narcotic gas that one might be exposed to in the fire - CORRECT ANSWER - Carbon Monoxide
The levels of this toxin dissipate over time after removal from the fire environment. - CORRECT
ANSWER - Carbon Monoxide
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 - CORRECT ANSWER - Carbon Monoxide Poisoning
This occurrence is the most common open-flame ignition source in non-fuel injected vehicles -
CORRECT ANSWER - Carburetor Backfire
When the fire plume reaches the ceiling of a room and moves laterally along the ceiling -
CORRECT ANSWER - Ceiling jet
,An item in the home that burns at a peak HRR of 3000-5000kW, which is hotter than a pool of
gasoline or a polyurethane chair - CORRECT ANSWER - Christmas Tree
This occurs when intense radiated heat or direct flame contacts a surface during the fire,
burning away deposits - CORRECT ANSWER - 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 - CORRECT ANSWER -
Collapsed Furniture Springs
A fire characteristic that is NOT necessarily an accurate indicator of the flame temperature -
CORRECT ANSWER - Color
This feature distinguishes the heat-sensitive bulbs of sprinkler heads from each other - CORRECT
ANSWER - 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 - CORRECT ANSWER - Combustion
A building design feature that aims to limit the fire to its origin. - CORRECT ANSWER -
Compartmentation
Located at the origin, these should be considered individually during the development of a
cause hypothesis - CORRECT ANSWER - Competent Ignition Source
This should be donned when dealing with hazardous chemicals - CORRECT ANSWER - 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 - CORRECT ANSWER - Conduction
Overheating on a circuit is most likely to occur at this location on a circuit - CORRECT ANSWER -
Connection Points
Consensus agreement between interested parties should be developed prior to the
commencement of WHAT? - CORRECT ANSWER - Joint Investigation
Complicated patterns in glass - CORRECT ANSWER - Crazing
A type of scene or circumstances, in which fires do NOT always destroy all physical evidence -
CORRECT ANSWER - Crime Scenes
A factor in OHM's law that can be calculated if you know resistance and voltage - CORRECT
ANSWER - Current (amperage)
The reasoning in the scientific method used to test an hypothesis - CORRECT ANSWER -
Deductive Reasoning
The reasoning process of moving from generalizations to particular assertion
(*"Reduce to Deduce"
*Test hypothesis ("deduce")
*Test based on known facts
*More confident assertion than induction) - CORRECT ANSWER - Deductive Reasoning
Type of evidence consisting of tangible items
, *as opposed to Testimonial Evidence or Documentary (written) Evidence - CORRECT ANSWER -
Demonstrative Evidence
A burn pattern analysis that is MORE useful for evaluating fire spread, rather than length or
intensity of burning - CORRECT ANSWER - Depth of Char
All voltages are _________________, which means that a battery or DC generator creates a
potential difference that can force charge through a wire - CORRECT ANSWER - Differential
The ordinary sustained burning mode in most fires - CORRECT ANSWER - Diffusion Flame
Burning
By taking these two steps, an investigator can obtain the manufacturer's name, model & serial
numbers, manufacture date, and any warnings on an appliance, determined to be in the area of
fire origin - CORRECT ANSWER - Document and Carefully Move
What type of evidence is an investigator's report? - CORRECT ANSWER - Documentary Evidence
A key method used by investigators when an appliance is determined to be in the area of origin,
particularly the positioning of all controls and components. - CORRECT ANSWER -
Documentation
The standards that gas cylinders must conform to
(Dept. of Transportation) - CORRECT ANSWER - DOT Standards
Types of fuses that have one element for overloads and another element for short circuits -
CORRECT ANSWER - Dual Element Fuses
