Newest IAAI CFI Exam Prep Questions Bank –
A comprehensive review of 400 Latest Practice
Questions and Correct Answers/ IAAI CFI Exam
Prep Test Bank (Latest 2026-2027)
Certified Fire Investigator
Which of the following is "one of the most significant factors in confirming that
the victim was alive and breathing smoke during the fire"?
A) Carboxyhemoglobin level
B) Evidence of smoke or soot in the lungs, bronchi, and trachea
C) Burn patterns
D) Lividity
-ANSWER- B) Evidence of smoke or soot in the lungs, bronchi, and trachea
The process when all the items of a room ignite almost simultaneously, causing
full room involvement is known as?
A) Backdraft
B) Flashover
C) Rollover
D) Flameover
-ANSWER- B) Flashover
What is the term that describes observable or measurable changes in or on material
as result of exposure to fire?
A) Fire effect
B) Fire pattern
C) Fire damage
D) Fire indicator
-ANSWER- A) Fire effect
(A) ____ is the visible or measurable physical changes or identifiable shapes
formed by a fire effect or group of fire effects.
A) Fire effect
1
,B) Fire pattern
C) Fire damage
D) Fire indicator
-ANSWER- B) Fire pattern
_____ is carbonaceous material that has been burned or pyrolized and has a
blackened appearance?
A) Ash
B) Soot
C) Char
D) Slag
-ANSWER- C) Char
What is the term that describes concrete or masonry surfaces that chip or pit from
exposure to heat?
A) Cracking
B) Spalling
C) Scaling
D) Erosion
-ANSWER- B) Spalling
___ is the basic chemical process associated with combustion.
A) Reduction
B) Oxidation
C) Pyrolysis
D) Vaporization
-ANSWER- B) Oxidation
When a material undergoes a physical change from a solid to a liquid due to
exposure to heat best describes what term?
A) Pyrolysis
B) Vaporization
C) Melting
D) Sublimation
-ANSWER- C) Melting
Fractured glass is hardly ever found in structures involved with fire. True or False?
A) True
B) False
-ANSWER- B) False
2
,___ occurs in plaster or gypsum wall surfaces when the chemically bound water is
driven out of the gypsum by the heat of the fire.
A) Spalling
B) Calcination
C) Dehydration
D) Cracking
-ANSWER- B) Calcination
___ is an indicator of fire direction on wood wall studs.
A) Spalling
B) Calcination
C) Beveling
D) Cracking
-ANSWER- C) Beveling
What is the process of identifying and interpreting fire patterns to determine how
the patterns were created and their significance?
A) Fire analysis
B) Fire pattern analysis
C) Fire dynamics analysis
D) Fire investigation
-ANSWER- B) Fire pattern analysis
A building is designed to support a specific amount of weight. Which type of
classification is for a load that can move?
A) Dead load
B) Live load
C) Impact load
D) Wind load
-ANSWER- B) Live load
A room's height, width, and specifically, the distances of the walls from each other
all make up the ___ of the room?
A) Volume
B) Area
C) Geometry
D) Perimeter
-ANSWER- C) Geometry
3
, Concealed and interstitial spaces exist only in masonry buildings. True or False?
A) True
B) False
-ANSWER- B) False
What type of construction classification is a structure with exterior walls made of
masonry or other noncombustible material?
A) Wood frame
B) Heavy timber
C) Ordinary
D) Noncombustible
-ANSWER- C) Ordinary
What type of construction classification is a structure with exterior walls and load-
bearing components made of wood or other combustible materials?
A) Wood frame
B) Heavy timber
C) Ordinary
D) Masonry
-ANSWER- A) Wood frame
What type of construction classification uses walls placed on top of platforms or
floors?
A) Balloon frame
B) Platform frame
C) Heavy timber
D) Ordinary
-ANSWER- B) Platform frame
Heavy timber construction employs structural members that are of unprotected
wood, with the smallest dimension being ____ or ___ inches.
A) 4, 6
B) 6, 8
C) 8, 10
D) 10, 12
-ANSWER- B) 6, 8
___ are structural elements that have the same characteristics as solid wood beams.
A) Steel beams
B) Concrete beams
4
A comprehensive review of 400 Latest Practice
Questions and Correct Answers/ IAAI CFI Exam
Prep Test Bank (Latest 2026-2027)
Certified Fire Investigator
Which of the following is "one of the most significant factors in confirming that
the victim was alive and breathing smoke during the fire"?
A) Carboxyhemoglobin level
B) Evidence of smoke or soot in the lungs, bronchi, and trachea
C) Burn patterns
D) Lividity
-ANSWER- B) Evidence of smoke or soot in the lungs, bronchi, and trachea
The process when all the items of a room ignite almost simultaneously, causing
full room involvement is known as?
A) Backdraft
B) Flashover
C) Rollover
D) Flameover
-ANSWER- B) Flashover
What is the term that describes observable or measurable changes in or on material
as result of exposure to fire?
A) Fire effect
B) Fire pattern
C) Fire damage
D) Fire indicator
-ANSWER- A) Fire effect
(A) ____ is the visible or measurable physical changes or identifiable shapes
formed by a fire effect or group of fire effects.
A) Fire effect
1
,B) Fire pattern
C) Fire damage
D) Fire indicator
-ANSWER- B) Fire pattern
_____ is carbonaceous material that has been burned or pyrolized and has a
blackened appearance?
A) Ash
B) Soot
C) Char
D) Slag
-ANSWER- C) Char
What is the term that describes concrete or masonry surfaces that chip or pit from
exposure to heat?
A) Cracking
B) Spalling
C) Scaling
D) Erosion
-ANSWER- B) Spalling
___ is the basic chemical process associated with combustion.
A) Reduction
B) Oxidation
C) Pyrolysis
D) Vaporization
-ANSWER- B) Oxidation
When a material undergoes a physical change from a solid to a liquid due to
exposure to heat best describes what term?
A) Pyrolysis
B) Vaporization
C) Melting
D) Sublimation
-ANSWER- C) Melting
Fractured glass is hardly ever found in structures involved with fire. True or False?
A) True
B) False
-ANSWER- B) False
2
,___ occurs in plaster or gypsum wall surfaces when the chemically bound water is
driven out of the gypsum by the heat of the fire.
A) Spalling
B) Calcination
C) Dehydration
D) Cracking
-ANSWER- B) Calcination
___ is an indicator of fire direction on wood wall studs.
A) Spalling
B) Calcination
C) Beveling
D) Cracking
-ANSWER- C) Beveling
What is the process of identifying and interpreting fire patterns to determine how
the patterns were created and their significance?
A) Fire analysis
B) Fire pattern analysis
C) Fire dynamics analysis
D) Fire investigation
-ANSWER- B) Fire pattern analysis
A building is designed to support a specific amount of weight. Which type of
classification is for a load that can move?
A) Dead load
B) Live load
C) Impact load
D) Wind load
-ANSWER- B) Live load
A room's height, width, and specifically, the distances of the walls from each other
all make up the ___ of the room?
A) Volume
B) Area
C) Geometry
D) Perimeter
-ANSWER- C) Geometry
3
, Concealed and interstitial spaces exist only in masonry buildings. True or False?
A) True
B) False
-ANSWER- B) False
What type of construction classification is a structure with exterior walls made of
masonry or other noncombustible material?
A) Wood frame
B) Heavy timber
C) Ordinary
D) Noncombustible
-ANSWER- C) Ordinary
What type of construction classification is a structure with exterior walls and load-
bearing components made of wood or other combustible materials?
A) Wood frame
B) Heavy timber
C) Ordinary
D) Masonry
-ANSWER- A) Wood frame
What type of construction classification uses walls placed on top of platforms or
floors?
A) Balloon frame
B) Platform frame
C) Heavy timber
D) Ordinary
-ANSWER- B) Platform frame
Heavy timber construction employs structural members that are of unprotected
wood, with the smallest dimension being ____ or ___ inches.
A) 4, 6
B) 6, 8
C) 8, 10
D) 10, 12
-ANSWER- B) 6, 8
___ are structural elements that have the same characteristics as solid wood beams.
A) Steel beams
B) Concrete beams
4
