2025 Latest IAAI CFI Exam Practice 250 Questions
and Correct Answers/ IAAI CFI Practice Test
questions with Answers 2025-2026 (new!)
When the fire plume reaches the ceiling of a room and moves laterally along the
ceiling - 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 - ANSWER-Christmas Tree
This occurs when intense radiated heat or direct flame contacts a surface during the
fire, burning away deposits - 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 -
ANSWER-Collapsed Furniture Springs
A fire characteristic that is NOT necessarily an accurate indicator of the flame
temperature - ANSWER-Color
This feature distinguishes the heat-sensitive bulbs of sprinkler heads from each
other - 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 - ANSWER-
Combustion
pg. 1
,A building design feature that aims to limit the fire to its origin. - ANSWER-
Compartmentation
Located at the origin, these should be considered individually during the
development of a cause hypothesis - ANSWER-Competent Ignition Source
This should be donned when dealing with hazardous chemicals - 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 - ANSWER-Conduction
Overheating on a circuit is most likely to occur at this location on a circuit -
ANSWER-Connection Points
Consensus agreement between interested parties should be developed prior to the
commencement of WHAT? - ANSWER-Joint Investigation
Complicated patterns in glass - ANSWER-Crazing
A type of scene or circumstances, in which fires do NOT always destroy all
physical evidence - ANSWER-Crime Scenes
A factor in OHM's law that can be calculated if you know resistance and voltage -
ANSWER-Current (amperage)
The reasoning in the scientific method used to test an hypothesis - ANSWER-
Deductive Reasoning
pg. 2
, 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) - ANSWER-Deductive Reasoning
Type of evidence consisting of tangible items
*as opposed to Testimonial Evidence or Documentary (written) Evidence -
ANSWER-Demonstrative Evidence
A burn pattern analysis that is MORE useful for evaluating fire spread, rather than
length or intensity of burning - 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 - ANSWER-
Differential
The ordinary sustained burning mode in most fires - 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 - ANSWER-Document and Carefully
Move
pg. 3
and Correct Answers/ IAAI CFI Practice Test
questions with Answers 2025-2026 (new!)
When the fire plume reaches the ceiling of a room and moves laterally along the
ceiling - 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 - ANSWER-Christmas Tree
This occurs when intense radiated heat or direct flame contacts a surface during the
fire, burning away deposits - 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 -
ANSWER-Collapsed Furniture Springs
A fire characteristic that is NOT necessarily an accurate indicator of the flame
temperature - ANSWER-Color
This feature distinguishes the heat-sensitive bulbs of sprinkler heads from each
other - 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 - ANSWER-
Combustion
pg. 1
,A building design feature that aims to limit the fire to its origin. - ANSWER-
Compartmentation
Located at the origin, these should be considered individually during the
development of a cause hypothesis - ANSWER-Competent Ignition Source
This should be donned when dealing with hazardous chemicals - 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 - ANSWER-Conduction
Overheating on a circuit is most likely to occur at this location on a circuit -
ANSWER-Connection Points
Consensus agreement between interested parties should be developed prior to the
commencement of WHAT? - ANSWER-Joint Investigation
Complicated patterns in glass - ANSWER-Crazing
A type of scene or circumstances, in which fires do NOT always destroy all
physical evidence - ANSWER-Crime Scenes
A factor in OHM's law that can be calculated if you know resistance and voltage -
ANSWER-Current (amperage)
The reasoning in the scientific method used to test an hypothesis - ANSWER-
Deductive Reasoning
pg. 2
, 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) - ANSWER-Deductive Reasoning
Type of evidence consisting of tangible items
*as opposed to Testimonial Evidence or Documentary (written) Evidence -
ANSWER-Demonstrative Evidence
A burn pattern analysis that is MORE useful for evaluating fire spread, rather than
length or intensity of burning - 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 - ANSWER-
Differential
The ordinary sustained burning mode in most fires - 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 - ANSWER-Document and Carefully
Move
pg. 3
