NC FIT FIRE INVESTIGATION TECHNICIAN EXAM,
PRACTICE EXAM AND STUDYGUIDE NEWEST 2025
ACTUAL EXAM COMPLETE 700 QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED
ANSWERS) |ALREADY GRADED A+||LATEST
VERSION!!
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
,2|Page
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.
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
,3|Page
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
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
, 4|Page
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
The compartmentation of a structure refers to its - Answer-
Subdivision into separate sections or units