FLORIDA FIRE INVESTIGATOR 2025/2026 COMPLETE
ACTUAL EXAM (VERIFIED WITH RATIONALE Q&A
100% SOLVED) GRADED A+
Ordinary Construction ANS: - Building in which the exterior and load bearing interior walls are non-
combustible, or limited combustion, with a minimum one hour resistive rating
Open Flame ANS: - Open flame of a match or lighter is the most effective and most common ignition
source for fires
Bernoulli Effect ANS: - Wind blowing across a chimney opening, lowering the pressure at the chimney
mouth.
Yellow: Dangerous goods in numerical order
Blue: Dangerous goods by material name
Orange: All safety recommendations.
Green: Table of Initial Isolation and protective action distances ANS: - 2000 Emergency Response Book
(colors)
Static Load ANS: - Loads which are applied slowly ad remain constant. Ex A heavy safe is a Live and
Static Load.
Dead Load ANS: - The weight of the building itself and any equipment permanently attached to it.
Live Load ANS: - A Load that moves or is not constant [Water in a Tank]
Fuel Load ANS: - All combustibles in a fire area, whether part of the structure, finish, or furnishings.
Incendiary Fires ANS: - A deliberately set fire
Burn Patterns or Char Depth ANS: - The most universally accepted means to follow a fire's path
,Fire Department ANS: - Responsible for maintaining custody and control of the scene until the
investigation complete
Burn Patterns because their universal applicability ANS: - Cornerstone of All Fire Investigations
Changes in level indicate points of ventilation ANS: - Height of significant levels of heat in a room is
revealed by charring, burning, blistering, or discoloration of paint or wall coverings. It will generally be
level that is of uniform height from the floor when the atmosphere in the room is fairly static.
1 inch for every 45 minutes ANS: - Char rate of wood
The Higher the intensity of the flame the faster the charring and the deeper the resulting char. ANS: -
What effects char rate
Char Depth ANS: - Depth to which pyrolysis action if fire has converted an organic material to its
volatile fractions and charcoal
Chip Board ANS: - Wood chips that are glued together and formed into flat sheets
Alligatoring ANS: - Large shiny blisters of char that indicate a fast moving fire (Only a Rule of thumb)
Spalling ANS: - The chipping or crumbling of concrete or masonry surface.
Flammable Liquid ANS: - Liquids which have a flash point <100 degrees F
Combustible Liquid ANS: - Liquid which have a flash point >100 degrees F
Alloy ANS: - Has a melting point below that of either original metal
, Fuel Injection systems ANS: - have 25- 100psi
Static Electricity ANS: - When it discharges contributes to fire and explosion hazards in many phases of
industry.
Wool ANS: - Natural Fiber, Minimal Fire Hazard
Cotton ANS: - Most Flammable natural common fiber. Considered most hazardous
Establishing a Preliminary Perimeter ANS: - The distance from the apparent seat to the farthest
discovered fragment should be multiplied by at least 1.5
Most fire fatalities are a result of ANS: - Asphyxiation, rather than fire explosion
CO poisoning ANS: - requires 20% saturation to produce serious side effects
40%= Unconsciousness is expected
50% or greater =Death
Blue Flame of Natural Gas ANS: - Reflects almost complete conversion of the fuel to CO2 and H20 and
generates very little CO (everything working properly, if producing soot it's producing CO.
Basement Fires ANS: - Should be considered suspicious
Cigarettes ANS: - Are rather uncommon as the source of ignition for a successful structure fire, but is a
problem of accidental fires from careless extinguisher.
Fluorine ANS: - Most chemically active non-metal
ACTUAL EXAM (VERIFIED WITH RATIONALE Q&A
100% SOLVED) GRADED A+
Ordinary Construction ANS: - Building in which the exterior and load bearing interior walls are non-
combustible, or limited combustion, with a minimum one hour resistive rating
Open Flame ANS: - Open flame of a match or lighter is the most effective and most common ignition
source for fires
Bernoulli Effect ANS: - Wind blowing across a chimney opening, lowering the pressure at the chimney
mouth.
Yellow: Dangerous goods in numerical order
Blue: Dangerous goods by material name
Orange: All safety recommendations.
Green: Table of Initial Isolation and protective action distances ANS: - 2000 Emergency Response Book
(colors)
Static Load ANS: - Loads which are applied slowly ad remain constant. Ex A heavy safe is a Live and
Static Load.
Dead Load ANS: - The weight of the building itself and any equipment permanently attached to it.
Live Load ANS: - A Load that moves or is not constant [Water in a Tank]
Fuel Load ANS: - All combustibles in a fire area, whether part of the structure, finish, or furnishings.
Incendiary Fires ANS: - A deliberately set fire
Burn Patterns or Char Depth ANS: - The most universally accepted means to follow a fire's path
,Fire Department ANS: - Responsible for maintaining custody and control of the scene until the
investigation complete
Burn Patterns because their universal applicability ANS: - Cornerstone of All Fire Investigations
Changes in level indicate points of ventilation ANS: - Height of significant levels of heat in a room is
revealed by charring, burning, blistering, or discoloration of paint or wall coverings. It will generally be
level that is of uniform height from the floor when the atmosphere in the room is fairly static.
1 inch for every 45 minutes ANS: - Char rate of wood
The Higher the intensity of the flame the faster the charring and the deeper the resulting char. ANS: -
What effects char rate
Char Depth ANS: - Depth to which pyrolysis action if fire has converted an organic material to its
volatile fractions and charcoal
Chip Board ANS: - Wood chips that are glued together and formed into flat sheets
Alligatoring ANS: - Large shiny blisters of char that indicate a fast moving fire (Only a Rule of thumb)
Spalling ANS: - The chipping or crumbling of concrete or masonry surface.
Flammable Liquid ANS: - Liquids which have a flash point <100 degrees F
Combustible Liquid ANS: - Liquid which have a flash point >100 degrees F
Alloy ANS: - Has a melting point below that of either original metal
, Fuel Injection systems ANS: - have 25- 100psi
Static Electricity ANS: - When it discharges contributes to fire and explosion hazards in many phases of
industry.
Wool ANS: - Natural Fiber, Minimal Fire Hazard
Cotton ANS: - Most Flammable natural common fiber. Considered most hazardous
Establishing a Preliminary Perimeter ANS: - The distance from the apparent seat to the farthest
discovered fragment should be multiplied by at least 1.5
Most fire fatalities are a result of ANS: - Asphyxiation, rather than fire explosion
CO poisoning ANS: - requires 20% saturation to produce serious side effects
40%= Unconsciousness is expected
50% or greater =Death
Blue Flame of Natural Gas ANS: - Reflects almost complete conversion of the fuel to CO2 and H20 and
generates very little CO (everything working properly, if producing soot it's producing CO.
Basement Fires ANS: - Should be considered suspicious
Cigarettes ANS: - Are rather uncommon as the source of ignition for a successful structure fire, but is a
problem of accidental fires from careless extinguisher.
Fluorine ANS: - Most chemically active non-metal
