IAAI CFI & NFPA 921 Exam Questions
and Verified Detailed Answers | Graded
A+
"Rule of Nines" - ✔✔Medical concept, where major body areas are represented
by increments of 9%
*For example the head equals 9%
109F - ✔✔In hyperthermia, what core body temperature is generally fatal
within minutes unless treated?
4.0 to 10 w.c. - ✔✔The typical water column range for gas service lines
4th Amendment - ✔✔The amendment concerning search and seizure
*Remember "knocking"
5th Amendment - ✔✔The amendment concerning pleading, grand jury and
double jeopardy
*Remember "hand over mouth"
1|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
,6th Amendment - ✔✔The amendment concerning speedy trial, impartial, right
to counsel, and face witness
*Remember "point to wrist watch"
Absolute - ✔✔The temperature scale based on the lowest possible temperature
of absolute zero
Acute - ✔✔A type of toxicity exposure that involves a one time exposure at a
high level
Advancing - ✔✔The burned section of a wildfire that an investigator should
enter first in order to begin examining the wildfire
Aerial Layer - ✔✔The layer in wildfire investigations, which begins at six feet
above and up and includes branches, tree moss, and leaves
Ambient Wind - ✔✔The factor or force that can potentially overcome the fire's
tendency to burn uphill, and in turn force the fire to burn downhill
Ampacity - ✔✔Conductor capacity
Ampere - ✔✔Unit of electrical current
Arc - ✔✔Luminous electrical discharge across a gap
2|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
, Arc Mapping - ✔✔An electrical analysis that is fundamentally pattern
recognition
Arcing - ✔✔An electrical event that is typically too brief and localized to be a
competent ignition source
Arson - ✔✔From the standpoint of investigative preparation, documentation,
and scene control etc., every fire should be approached as if it is potentially
what type of fire?
Arson Motives - ✔✔Vandalism, excitement, revenge, crime concealment, profit,
extremism, and pyromania are seven types of what?
ASTM E1618 - ✔✔What standard governs evidence collection for accelerant
testing?
Auto-ignition Temperature - ✔✔The minimum temperature at which
combustible substance ignites without spark or flame
Axisymmetric Plume - ✔✔A fire plume in the center of the room with no wall
interface
Backdraft - ✔✔A low-order explosion that is the result of an oxygen-depleted
fire that produces high concentrations of incomplete combustion products, with
a sudden mixture of air into the accumulated fuels
3|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
and Verified Detailed Answers | Graded
A+
"Rule of Nines" - ✔✔Medical concept, where major body areas are represented
by increments of 9%
*For example the head equals 9%
109F - ✔✔In hyperthermia, what core body temperature is generally fatal
within minutes unless treated?
4.0 to 10 w.c. - ✔✔The typical water column range for gas service lines
4th Amendment - ✔✔The amendment concerning search and seizure
*Remember "knocking"
5th Amendment - ✔✔The amendment concerning pleading, grand jury and
double jeopardy
*Remember "hand over mouth"
1|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
,6th Amendment - ✔✔The amendment concerning speedy trial, impartial, right
to counsel, and face witness
*Remember "point to wrist watch"
Absolute - ✔✔The temperature scale based on the lowest possible temperature
of absolute zero
Acute - ✔✔A type of toxicity exposure that involves a one time exposure at a
high level
Advancing - ✔✔The burned section of a wildfire that an investigator should
enter first in order to begin examining the wildfire
Aerial Layer - ✔✔The layer in wildfire investigations, which begins at six feet
above and up and includes branches, tree moss, and leaves
Ambient Wind - ✔✔The factor or force that can potentially overcome the fire's
tendency to burn uphill, and in turn force the fire to burn downhill
Ampacity - ✔✔Conductor capacity
Ampere - ✔✔Unit of electrical current
Arc - ✔✔Luminous electrical discharge across a gap
2|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
, Arc Mapping - ✔✔An electrical analysis that is fundamentally pattern
recognition
Arcing - ✔✔An electrical event that is typically too brief and localized to be a
competent ignition source
Arson - ✔✔From the standpoint of investigative preparation, documentation,
and scene control etc., every fire should be approached as if it is potentially
what type of fire?
Arson Motives - ✔✔Vandalism, excitement, revenge, crime concealment, profit,
extremism, and pyromania are seven types of what?
ASTM E1618 - ✔✔What standard governs evidence collection for accelerant
testing?
Auto-ignition Temperature - ✔✔The minimum temperature at which
combustible substance ignites without spark or flame
Axisymmetric Plume - ✔✔A fire plume in the center of the room with no wall
interface
Backdraft - ✔✔A low-order explosion that is the result of an oxygen-depleted
fire that produces high concentrations of incomplete combustion products, with
a sudden mixture of air into the accumulated fuels
3|Page
©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025.
