NC FIT FIRE INVESTIGATION TECHNICIAN
STUDY GUIDE EXAM QUESTIONS WITH
VERIFIED SOLUTIONS NEW MODIFIED
Fire patterns, which are visual or measurable physical effects that
remain after a fire are what kind of evidence? --CORRECT
ANSWER--Artifact evidence
Fluids include both liquids and gases, but in fires we generally focus
on --CORRECT ANSWER--Gas flows
Propane (un-diluted) has a flammable range of: --CORRECT
ANSWER--2.15-9.6 percent
What are examples of forms of information --CORRECT ANSWER--
Verbal, written, visual and electronic
Materials such as thermoplastics do not produce what when burned? -
-CORRECT ANSWER--Char
Page 1 of 131
,Oxidation of non-combustible materials can produce what --
CORRECT ANSWER--Produce color and texture changes and fire
patterns
What is a weatherhead --CORRECT 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. --CORRECT ANSWER--The fuel
What is physical evidence --CORRECT ANSWER--Any physical or
tangible item that tends to prove or disprove a particular fact or issue
Probable cause --CORRECT ANSWER--The standard by which law
enforcement has reason to make an arrest/arrest warrant or obtain a
search warrant
What is heat flux --CORRECT ANSWER--The measurement of the
rate of heat transfer to a surface
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,What are interstitial spaces --CORRECT ANSWER--The space
between the building frame and interior walls
Once a window breaks or a door is opened, what is introduced --
CORRECT ANSWER--Additional oxygen that can greatly increase
the fire size and spread
A lack of fire stops may allow for --CORRECT ANSWER--Vertical
fire spread
What are fire patterns? --CORRECT 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? --CORRECT ANSWER--6, 8, or 10
AWG
Common household wiring is? --CORRECT ANSWER--14 and 12
AWG if it is copper.
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, Aluminum conductors melt in any fire and solidify into irregular
shapes meaning they have --CORRECT ANSWER--Low melting
temperatures
According to ANSI Z535.4 product safety and labels; caution
indicates --CORRECT ANSWER--a potentially hazardous situation
that, if not avoided, may result in minor or moderate injury.
Deflagration is what speed? --CORRECT ANSWER--Slower than the
speed of sound.
What are some common examples of physical evidence --CORRECT
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: --CORRECT ANSWER--The nature
and extent of the danger and gravity of the risk of danger
The compartmentation of a structure refers to its --CORRECT
ANSWER--Subdivision into separate sections or units
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STUDY GUIDE EXAM QUESTIONS WITH
VERIFIED SOLUTIONS NEW MODIFIED
Fire patterns, which are visual or measurable physical effects that
remain after a fire are what kind of evidence? --CORRECT
ANSWER--Artifact evidence
Fluids include both liquids and gases, but in fires we generally focus
on --CORRECT ANSWER--Gas flows
Propane (un-diluted) has a flammable range of: --CORRECT
ANSWER--2.15-9.6 percent
What are examples of forms of information --CORRECT ANSWER--
Verbal, written, visual and electronic
Materials such as thermoplastics do not produce what when burned? -
-CORRECT ANSWER--Char
Page 1 of 131
,Oxidation of non-combustible materials can produce what --
CORRECT ANSWER--Produce color and texture changes and fire
patterns
What is a weatherhead --CORRECT 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. --CORRECT ANSWER--The fuel
What is physical evidence --CORRECT ANSWER--Any physical or
tangible item that tends to prove or disprove a particular fact or issue
Probable cause --CORRECT ANSWER--The standard by which law
enforcement has reason to make an arrest/arrest warrant or obtain a
search warrant
What is heat flux --CORRECT ANSWER--The measurement of the
rate of heat transfer to a surface
Page 2 of 131
,What are interstitial spaces --CORRECT ANSWER--The space
between the building frame and interior walls
Once a window breaks or a door is opened, what is introduced --
CORRECT ANSWER--Additional oxygen that can greatly increase
the fire size and spread
A lack of fire stops may allow for --CORRECT ANSWER--Vertical
fire spread
What are fire patterns? --CORRECT 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? --CORRECT ANSWER--6, 8, or 10
AWG
Common household wiring is? --CORRECT ANSWER--14 and 12
AWG if it is copper.
Page 3 of 131
, Aluminum conductors melt in any fire and solidify into irregular
shapes meaning they have --CORRECT ANSWER--Low melting
temperatures
According to ANSI Z535.4 product safety and labels; caution
indicates --CORRECT ANSWER--a potentially hazardous situation
that, if not avoided, may result in minor or moderate injury.
Deflagration is what speed? --CORRECT ANSWER--Slower than the
speed of sound.
What are some common examples of physical evidence --CORRECT
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: --CORRECT ANSWER--The nature
and extent of the danger and gravity of the risk of danger
The compartmentation of a structure refers to its --CORRECT
ANSWER--Subdivision into separate sections or units
Page 4 of 131
