IAAI CFI & NFPA 921 Exam Questions
with Correct Verified Answers Latest
Update Graded A
109F - ANSWER//In hyperthermia, what core body temperature is generally fatal
within minutes unless treated?
4.0 to 10 w.c. - ANSWER//The typical water column range for gas service lines
4th Amendment - ANSWER//The amendment concerning search and seizure
*Remember "knocking"
5th Amendment - ANSWER//The amendment concerning pleading, grand jury and
double jeopardy
*Remember "hand over mouth"
6th Amendment - ANSWER//The amendment concerning speedy trial, impartial,
right to counsel, and face witness
*Remember "point to wrist watch"
Absolute - ANSWER//The temperature scale based on the lowest possible
temperature of absolute zero
Acute - ANSWER//A type of toxicity exposure that involves a one time exposure at
a high level
Advancing - ANSWER//The burned section of a wildfire that an investigator
should enter first in order to begin examining the wildfire
Aerial Layer - ANSWER//The layer in wildfire investigations, which begins at six
feet above and up and includes branches, tree moss, and leaves
Ambient Wind - ANSWER//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 - ANSWER//Conductor capacity
Ampere - ANSWER//Unit of electrical current
Arc - ANSWER//Luminous electrical discharge across a gap
Arc Mapping - ANSWER//An electrical analysis that is fundamentally pattern
recognition
Arcing - ANSWER//An electrical event that is typically too brief and localized to be
a competent ignition source
Arson - ANSWER//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 - ANSWER//Vandalism, excitement, revenge, crime concealment,
profit, extremism, and pyromania are seven types of what?
ASTM E1618 - ANSWER//What standard governs evidence collection for
accelerant testing?
Auto-ignition Temperature - ANSWER//The minimum temperature at which
combustible substance ignites without spark or flame
Axisymmetric Plume - ANSWER//A fire plume in the center of the room with no
wall interface
Backdraft - ANSWER//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
Battery - ANSWER//The only source of electricity in a vehicle when the engine is
not running
Blast Pressure Front - ANSWER//The expanding leading edge of explosion
reaction, which is primarily responsible for explosion damage and injuries
BLEVE - ANSWER//The most frequently encountered mechanical explosion
BLEVE - ANSWER//An event that occurs when a vessel's contents are liquid and
heating causes the liquid to exceed its boiling point and failure of the vessel
occurs
Rapid Boiling - ANSWER//This is the mechanism in a Mechanical Explosion,
along with the expansion of pressurized gas
, Bow - ANSWER//The front of a boat
Breaker Panel - ANSWER//In an electrical system, this device primarily functions
as a main cutoff, electrical protection, and power distribution
Buoyant Force - ANSWER//A force that is generated by temperature differences
*Due to hot air rising because its less dense
Buoyant Force - ANSWER//Fire plumes, ceiling jets and vent flows are examples
of what type of force at work during a fire?
Cable Staple - ANSWER//This structural component cannot be driven through
insulation when properly installed
252 Calories & 1055 Joules - ANSWER//One BTU is equal to calories
*Which is equal to Joules
Carbon Dioxide - ANSWER//A type of suppression agent that is effective because
it is non-corrosive, residue-less, non-conductive, and universally useful on most
combustibles
Carbon Monoxide - ANSWER//Binds with hemoglobin in the blood approximately
250 times greater than oxygen
Cascading - ANSWER//Another name for a secondary or subsequent explosion
Catalytic Convertor and Turbocharger - ANSWER//Name the other two hottest
components in a vehicle, other than the exhaust system.
Changed or Transferred - ANSWER//One law of energy says that energy can not
be created or destroyed; but can only be what?
Chemical Explosion - ANSWER//Flammable gases, vapors of ignitable liquids,
combustible dusts, backdraft explosion, and aerosols are examples of fuels often
involved in what type of explosion?
Chronic - ANSWER//A type of toxicity exposure that involves a low-level of
continuous exposure
Closed - ANSWER//The type of electrical system that involves a current flowing in
a loop or complete circuit.
Combustibles - ANSWER//These materials produce essentially the same flame
temperature as ignitable liquids.
with Correct Verified Answers Latest
Update Graded A
109F - ANSWER//In hyperthermia, what core body temperature is generally fatal
within minutes unless treated?
4.0 to 10 w.c. - ANSWER//The typical water column range for gas service lines
4th Amendment - ANSWER//The amendment concerning search and seizure
*Remember "knocking"
5th Amendment - ANSWER//The amendment concerning pleading, grand jury and
double jeopardy
*Remember "hand over mouth"
6th Amendment - ANSWER//The amendment concerning speedy trial, impartial,
right to counsel, and face witness
*Remember "point to wrist watch"
Absolute - ANSWER//The temperature scale based on the lowest possible
temperature of absolute zero
Acute - ANSWER//A type of toxicity exposure that involves a one time exposure at
a high level
Advancing - ANSWER//The burned section of a wildfire that an investigator
should enter first in order to begin examining the wildfire
Aerial Layer - ANSWER//The layer in wildfire investigations, which begins at six
feet above and up and includes branches, tree moss, and leaves
Ambient Wind - ANSWER//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 - ANSWER//Conductor capacity
Ampere - ANSWER//Unit of electrical current
Arc - ANSWER//Luminous electrical discharge across a gap
Arc Mapping - ANSWER//An electrical analysis that is fundamentally pattern
recognition
Arcing - ANSWER//An electrical event that is typically too brief and localized to be
a competent ignition source
Arson - ANSWER//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 - ANSWER//Vandalism, excitement, revenge, crime concealment,
profit, extremism, and pyromania are seven types of what?
ASTM E1618 - ANSWER//What standard governs evidence collection for
accelerant testing?
Auto-ignition Temperature - ANSWER//The minimum temperature at which
combustible substance ignites without spark or flame
Axisymmetric Plume - ANSWER//A fire plume in the center of the room with no
wall interface
Backdraft - ANSWER//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
Battery - ANSWER//The only source of electricity in a vehicle when the engine is
not running
Blast Pressure Front - ANSWER//The expanding leading edge of explosion
reaction, which is primarily responsible for explosion damage and injuries
BLEVE - ANSWER//The most frequently encountered mechanical explosion
BLEVE - ANSWER//An event that occurs when a vessel's contents are liquid and
heating causes the liquid to exceed its boiling point and failure of the vessel
occurs
Rapid Boiling - ANSWER//This is the mechanism in a Mechanical Explosion,
along with the expansion of pressurized gas
, Bow - ANSWER//The front of a boat
Breaker Panel - ANSWER//In an electrical system, this device primarily functions
as a main cutoff, electrical protection, and power distribution
Buoyant Force - ANSWER//A force that is generated by temperature differences
*Due to hot air rising because its less dense
Buoyant Force - ANSWER//Fire plumes, ceiling jets and vent flows are examples
of what type of force at work during a fire?
Cable Staple - ANSWER//This structural component cannot be driven through
insulation when properly installed
252 Calories & 1055 Joules - ANSWER//One BTU is equal to calories
*Which is equal to Joules
Carbon Dioxide - ANSWER//A type of suppression agent that is effective because
it is non-corrosive, residue-less, non-conductive, and universally useful on most
combustibles
Carbon Monoxide - ANSWER//Binds with hemoglobin in the blood approximately
250 times greater than oxygen
Cascading - ANSWER//Another name for a secondary or subsequent explosion
Catalytic Convertor and Turbocharger - ANSWER//Name the other two hottest
components in a vehicle, other than the exhaust system.
Changed or Transferred - ANSWER//One law of energy says that energy can not
be created or destroyed; but can only be what?
Chemical Explosion - ANSWER//Flammable gases, vapors of ignitable liquids,
combustible dusts, backdraft explosion, and aerosols are examples of fuels often
involved in what type of explosion?
Chronic - ANSWER//A type of toxicity exposure that involves a low-level of
continuous exposure
Closed - ANSWER//The type of electrical system that involves a current flowing in
a loop or complete circuit.
Combustibles - ANSWER//These materials produce essentially the same flame
temperature as ignitable liquids.
