1
NC FIT Fire Investigation Technician
Study Guide 2025/2026 Exam Questions
and Answers | A+ Score Assured
What are fire patterns? - 🧠ANSWER ✔✔Visible or measurable physical changes
or identifiable shapes formed by a fire effect or group of fire effects
Appliances such as an electric range, dryer or water heater are often applied with
what size wire? - 🧠ANSWER ✔✔6, 8, or 10 AWG
Common household wiring is? - 🧠ANSWER ✔✔14 and 12 AWG if it is copper.
Aluminum conductors melt in any fire and solidify into irregular shapes meaning
they have - 🧠ANSWER ✔✔Low melting temperatures
According to ANSI Z535.4 product safety and labels; caution indicates -
🧠ANSWER ✔✔a potentially hazardous situation that, if not avoided, may result in
minor or moderate injury.
Deflagration is what speed? - 🧠ANSWER ✔✔Slower than the speed of sound.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, 2
What are some common examples of physical evidence - 🧠ANSWER ✔✔Traces of
ignitable liquid in flooring; blood; fingerprints; a tool mark that is at a point of
forcible entry; faulted electrical circuit
A statement of danger identifies: - 🧠ANSWER ✔✔The nature and extent of the
danger and gravity of the risk of danger
Fire patterns, which are visual or measurable physical effects that remain after a
fire are what kind of evidence? - 🧠ANSWER ✔✔Artifact evidence
Fluids include both liquids and gases, but in fires we generally focus on -
🧠ANSWER ✔✔Gas flows
Propane (un-diluted) has a flammable range of: - 🧠ANSWER ✔✔2.15-9.6 percent
What are examples of forms of information - 🧠ANSWER ✔✔Verbal, written,
visual and electronic
Materials such as thermoplastics do not produce what when burned? - 🧠ANSWER
✔✔Char
Oxidation of non-combustible materials can produce what - 🧠ANSWER
✔✔Produce color and texture changes and fire patterns
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
, 3
What is a weatherhead - 🧠ANSWER ✔✔The point where electrical service
entrance cables connect to the structure which is designed to keep water out of the
conduit that carries the wires.
The make-up of ______________ has a significant effect on the results of an
explosion. - 🧠ANSWER ✔✔The fuel
What is physical evidence - 🧠ANSWER ✔✔Any physical or tangible item that
tends to prove or disprove a particular fact or issue
Probable cause - 🧠ANSWER ✔✔The standard by which law enforcement has
reason to make an arrest/arrest warrant or obtain a search warrant
What is heat flux - 🧠ANSWER ✔✔The measurement of the rate of heat transfer to
a surface
What are interstitial spaces - 🧠ANSWER ✔✔The space between the building
frame and interior walls
Once a window breaks or a door is opened, what is introduced - 🧠ANSWER
✔✔Additional oxygen that can greatly increase the fire size and spread
A lack of fire stops may allow for - 🧠ANSWER ✔✔Vertical fire spread
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
, 4
The compartmentation of a structure refers to its - 🧠ANSWER ✔✔Subdivision into
separate sections or units
In ordinary construction, exterior walls are - 🧠ANSWER ✔✔Masonry or other
non-combustible
Where is non-combustible construction used primarily - 🧠ANSWER
✔✔Commercial, industrial or high rises
Three branches of federal government - 🧠ANSWER ✔✔Executive, legislative and
judicial
To be involved in the combustion process, fuels must generally be in what state? -
🧠ANSWER ✔✔Gas or vapor
Which OSHA regulation deals with operations at a hazardous waste site and the
emergency response to hazardous material incidents? - 🧠ANSWER ✔✔29 CFR
1910.120 HAZWOPER (Hazardous Waste Operations and Emergency Response)
Where are linear patterns usually found? - 🧠ANSWER ✔✔On horizontal surfaces
and may appear as lines of demarcation, extending and elongating across the
surface
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 4
STATEMENT. ALL RIGHTS RESERVED
NC FIT Fire Investigation Technician
Study Guide 2025/2026 Exam Questions
and Answers | A+ Score Assured
What are fire patterns? - 🧠ANSWER ✔✔Visible or measurable physical changes
or identifiable shapes formed by a fire effect or group of fire effects
Appliances such as an electric range, dryer or water heater are often applied with
what size wire? - 🧠ANSWER ✔✔6, 8, or 10 AWG
Common household wiring is? - 🧠ANSWER ✔✔14 and 12 AWG if it is copper.
Aluminum conductors melt in any fire and solidify into irregular shapes meaning
they have - 🧠ANSWER ✔✔Low melting temperatures
According to ANSI Z535.4 product safety and labels; caution indicates -
🧠ANSWER ✔✔a potentially hazardous situation that, if not avoided, may result in
minor or moderate injury.
Deflagration is what speed? - 🧠ANSWER ✔✔Slower than the speed of sound.
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, 2
What are some common examples of physical evidence - 🧠ANSWER ✔✔Traces of
ignitable liquid in flooring; blood; fingerprints; a tool mark that is at a point of
forcible entry; faulted electrical circuit
A statement of danger identifies: - 🧠ANSWER ✔✔The nature and extent of the
danger and gravity of the risk of danger
Fire patterns, which are visual or measurable physical effects that remain after a
fire are what kind of evidence? - 🧠ANSWER ✔✔Artifact evidence
Fluids include both liquids and gases, but in fires we generally focus on -
🧠ANSWER ✔✔Gas flows
Propane (un-diluted) has a flammable range of: - 🧠ANSWER ✔✔2.15-9.6 percent
What are examples of forms of information - 🧠ANSWER ✔✔Verbal, written,
visual and electronic
Materials such as thermoplastics do not produce what when burned? - 🧠ANSWER
✔✔Char
Oxidation of non-combustible materials can produce what - 🧠ANSWER
✔✔Produce color and texture changes and fire patterns
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
, 3
What is a weatherhead - 🧠ANSWER ✔✔The point where electrical service
entrance cables connect to the structure which is designed to keep water out of the
conduit that carries the wires.
The make-up of ______________ has a significant effect on the results of an
explosion. - 🧠ANSWER ✔✔The fuel
What is physical evidence - 🧠ANSWER ✔✔Any physical or tangible item that
tends to prove or disprove a particular fact or issue
Probable cause - 🧠ANSWER ✔✔The standard by which law enforcement has
reason to make an arrest/arrest warrant or obtain a search warrant
What is heat flux - 🧠ANSWER ✔✔The measurement of the rate of heat transfer to
a surface
What are interstitial spaces - 🧠ANSWER ✔✔The space between the building
frame and interior walls
Once a window breaks or a door is opened, what is introduced - 🧠ANSWER
✔✔Additional oxygen that can greatly increase the fire size and spread
A lack of fire stops may allow for - 🧠ANSWER ✔✔Vertical fire spread
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 3
STATEMENT. ALL RIGHTS RESERVED
, 4
The compartmentation of a structure refers to its - 🧠ANSWER ✔✔Subdivision into
separate sections or units
In ordinary construction, exterior walls are - 🧠ANSWER ✔✔Masonry or other
non-combustible
Where is non-combustible construction used primarily - 🧠ANSWER
✔✔Commercial, industrial or high rises
Three branches of federal government - 🧠ANSWER ✔✔Executive, legislative and
judicial
To be involved in the combustion process, fuels must generally be in what state? -
🧠ANSWER ✔✔Gas or vapor
Which OSHA regulation deals with operations at a hazardous waste site and the
emergency response to hazardous material incidents? - 🧠ANSWER ✔✔29 CFR
1910.120 HAZWOPER (Hazardous Waste Operations and Emergency Response)
Where are linear patterns usually found? - 🧠ANSWER ✔✔On horizontal surfaces
and may appear as lines of demarcation, extending and elongating across the
surface
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 4
STATEMENT. ALL RIGHTS RESERVED
