NAFI CFEI PREPARATION REVIEW 2026
SOLVED PROBLEMS GRADED A+
⩥NAFI. Answer: National Association of Fire Investigator
⩥NFPA. Answer: National Fire Protection Association
⩥T/SWGFEX. Answer: Technical/Scientific Working Group for Fire
and Explosions Analysis
⩥SWGMAT. Answer: Scientific Working Group for Materials Analysis
⩥ASTEE. Answer: American Society of Trace Evidence Examiners
⩥AAFS. Answer: American Academy of Forensic Scientists
⩥Fuel Load. Answer: All combustibles in an area whether part of the
structure, finish, or furnishings
⩥Flameover. Answer: The flaming ignition of the hot gas layer in a
developing compartment fire
, ⩥Flashover. Answer: The final stage of the process of fire growth; when
all the exposed surfaces of combustible fuels within a compartment are
ignited, the room is said to have undergone flashover
⩥Backdraft. Answer: A deflagrative explosion of gases and smoke from
an established fire that has depleted the oxygen content of a structure,
most often initiated by introducing oxygen through ventilation or
structural failure.
⩥Ventilation. Answer: A deflagrative explosion of gases and smoke from
an established fire that has depleted the oxygen content of a structure,
most often initiated by introducing oxygen through ventilation or
structural failure.
⩥Dropdown. Answer: The collapse of burning material in a room that
induces separate, low-level fire
⩥Line of Demarcation. Answer: A point where the heat is no longer
strong enough to burn, char, or melt a surface where there will be no
more damage
⩥Radiant Damage. Answer: Different than flaming damage: This is
caused by heat/hot gases rather than flames, and effects nearby objects
SOLVED PROBLEMS GRADED A+
⩥NAFI. Answer: National Association of Fire Investigator
⩥NFPA. Answer: National Fire Protection Association
⩥T/SWGFEX. Answer: Technical/Scientific Working Group for Fire
and Explosions Analysis
⩥SWGMAT. Answer: Scientific Working Group for Materials Analysis
⩥ASTEE. Answer: American Society of Trace Evidence Examiners
⩥AAFS. Answer: American Academy of Forensic Scientists
⩥Fuel Load. Answer: All combustibles in an area whether part of the
structure, finish, or furnishings
⩥Flameover. Answer: The flaming ignition of the hot gas layer in a
developing compartment fire
, ⩥Flashover. Answer: The final stage of the process of fire growth; when
all the exposed surfaces of combustible fuels within a compartment are
ignited, the room is said to have undergone flashover
⩥Backdraft. Answer: A deflagrative explosion of gases and smoke from
an established fire that has depleted the oxygen content of a structure,
most often initiated by introducing oxygen through ventilation or
structural failure.
⩥Ventilation. Answer: A deflagrative explosion of gases and smoke from
an established fire that has depleted the oxygen content of a structure,
most often initiated by introducing oxygen through ventilation or
structural failure.
⩥Dropdown. Answer: The collapse of burning material in a room that
induces separate, low-level fire
⩥Line of Demarcation. Answer: A point where the heat is no longer
strong enough to burn, char, or melt a surface where there will be no
more damage
⩥Radiant Damage. Answer: Different than flaming damage: This is
caused by heat/hot gases rather than flames, and effects nearby objects
