NC FIT FIRE INVESTIGATION TECHNICIAN STUDY GUIDE QUESTIONS AND CORRECT VERIFIED ANSWERS

NC FIT FIRE INVESTIGATION
TECHNICIAN STUDY GUIDE QUESTIONS
AND CORRECT VERIFIED ANSWERS
WhatA2areA2fireA2patterns?A2-A2Ans--
VisibleA2orA2measurableA2physicalA2changesA2orA2identifiableA2shapesA2formedA2byA2aA2fir
eA2effectA2orA2groupA2ofA2fireA2effects

AppliancesA2suchA2asA2anA2electricA2range,A2dryerA2orA2waterA2heaterA2areA2oftenA2applie
dA2withA2whatA2sizeA2wire?A2-A2Ans--6,A28,A2orA210A2AWG

CommonA2householdA2wiringA2is?A2-A2Ans--14A2andA212A2AWGA2ifA2itA2isA2copper.

AluminumA2conductorsA2meltA2inA2anyA2fireA2andA2solidifyA2intoA2irregularA2shapesA2meani
ngA2theyA2haveA2-A2Ans--LowA2meltingA2temperatures

AccordingA2toA2ANSIA2Z535.4A2productA2safetyA2andA2labels;A2cautionA2indicatesA2-
A2Ans--
aA2potentiallyA2hazardousA2situationA2that,A2ifA2notA2avoided,A2mayA2resultA2inA2minorA2orA2
moderateA2injury.

DeflagrationA2isA2whatA2speed?A2-A2Ans--SlowerA2thanA2theA2speedA2ofA2sound.

WhatA2areA2someA2commonA2examplesA2ofA2physicalA2evidenceA2-A2Ans--
TracesA2ofA2ignitableA2liquidA2inA2flooring;A2blood;A2fingerprints;A2aA2toolA2markA2thatA2isA2a
tA2aA2pointA2ofA2forcibleA2entry;A2faultedA2electricalA2circuit

AA2statementA2ofA2dangerA2identifies:A2-A2Ans--
TheA2natureA2andA2extentA2ofA2theA2dangerA2andA2gravityA2ofA2theA2riskA2ofA2danger

FireA2patterns,A2whichA2areA2visualA2orA2measurableA2physicalA2effectsA2thatA2remainA2aft
erA2aA2fireA2areA2whatA2kindA2ofA2evidence?A2-A2Ans--ArtifactA2evidence

FluidsA2includeA2bothA2liquidsA2andA2gases,A2butA2inA2firesA2weA2generallyA2focusA2onA2-
A2Ans--GasA2flows


PropaneA2(un-diluted)A2hasA2aA2flammableA2rangeA2of:A2-A2Ans--2.15-9.6A2percent

WhatA2areA2examplesA2ofA2formsA2ofA2informationA2-A2Ans--
Verbal,A2written,A2visualA2andA2electronic

MaterialsA2suchA2asA2thermoplasticsA2doA2notA2produceA2whatA2whenA2burned?A2-A2Ans--
Char

,OxidationA2ofA2non-combustibleA2materialsA2canA2produceA2whatA2-A2Ans--
ProduceA2colorA2andA2textureA2changesA2andA2fireA2patterns

WhatA2isA2aA2weatherheadA2-A2Ans--
TheA2pointA2whereA2electricalA2serviceA2entranceA2cablesA2connectA2toA2theA2structureA2w
hichA2isA2designedA2toA2keepA2waterA2outA2ofA2theA2conduitA2thatA2carriesA2theA2wires.

TheA2make-
upA2ofA2______________A2hasA2aA2significantA2effectA2onA2theA2resultsA2ofA2anA2explosion
.A2-A2Ans--TheA2fuel

WhatA2isA2physicalA2evidenceA2-A2Ans--
AnyA2physicalA2orA2tangibleA2itemA2thatA2tendsA2toA2proveA2orA2disproveA2aA2particularA2fa
ctA2orA2issue

ProbableA2causeA2-A2Ans--
TheA2standardA2byA2whichA2lawA2enforcementA2hasA2reasonA2toA2makeA2anA2arrest/
arrestA2warrantA2orA2obtainA2aA2searchA2warrant

WhatA2isA2heatA2fluxA2-A2Ans--
TheA2measurementA2ofA2theA2rateA2ofA2heatA2transferA2toA2aA2surface

WhatA2areA2interstitialA2spacesA2-A2Ans--
TheA2spaceA2betweenA2theA2buildingA2frameA2andA2interiorA2walls

OnceA2aA2windowA2breaksA2orA2aA2doorA2isA2opened,A2whatA2isA2introducedA2-A2Ans--
AdditionalA2oxygenA2thatA2canA2greatlyA2increaseA2theA2fireA2sizeA2andA2spread

AA2lackA2ofA2fireA2stopsA2mayA2allowA2forA2-A2Ans--VerticalA2fireA2spread

TheA2compartmentationA2ofA2aA2structureA2refersA2toA2itsA2-A2Ans--
SubdivisionA2intoA2separateA2sectionsA2orA2units

InA2ordinaryA2construction,A2exteriorA2wallsA2areA2-A2Ans--MasonryA2orA2otherA2non-
combustible

WhereA2isA2non-combustibleA2constructionA2usedA2primarilyA2-A2Ans--
Commercial,A2industrialA2orA2highA2rises

ThreeA2branchesA2ofA2federalA2governmentA2-A2Ans--Executive,A2legislativeA2andA2judicial

ToA2beA2involvedA2inA2theA2combustionA2process,A2fuelsA2mustA2generallyA2beA2inA2whatA2
state?A2-A2Ans--GasA2orA2vapor

WhichA2OSHAA2regulationA2dealsA2withA2operationsA2atA2aA2hazardousA2wasteA2siteA2andA
2theA2emergencyA2responseA2toA2hazardousA2materialA2incidents?A2-A2Ans--

,29A2CFRA21910.120A2HAZWOPERA2(HazardousA2WasteA2OperationsA2andA2EmergencyA
2Response)


WhereA2areA2linearA2patternsA2usuallyA2found?A2-A2Ans--
OnA2horizontalA2surfacesA2andA2mayA2appearA2asA2linesA2ofA2demarcation,A2extendingA2a
ndA2elongatingA2acrossA2theA2surface

WhatA2isA2empiricalA2dataA2andA2whenA2isA2itA2utilized?A2-A2Ans--
FactualA2dataA2thatA2isA2basedA2onA2actualA2measurement,A2observation,A2orA2directA2sen
soryA2experienceA2ratherA2thanA2onA2theory

GenerallyA2speaking,A2aA2simpleA2arcA2doesA2notA2produceA2enoughA2-A2Ans--
EnergyA2toA2igniteA2mostA2ordinary,A2higherA2densityA2combustibles.

DistortionA2orA2deformityA2ofA2anA2objectA2indicatesA2-A2Ans--
MeltingA2temperatureA2wasA2neverA2reached.

AccordingA2toA2ANSIA2ZA2535.4A2productA2safetyA2signsA2andA2labelsA2"warning"A2meansA
2-A2Ans--
IndicatesA2aA2potentiallyA2hazardousA2situationA2thatA2ifA2notA2avoidedA2couldA2resultA2inA2
deathA2orA2seriousA2injury.

WhatA2isA2fire?A2-A2Ans--
AA2rapidA2oxidationA2process,A2aA2chemicalA2reaction,A2resultingA2inA2theA2evolutionA2ofA2li
ghtA2andA2heatA2ofA2varyingA2intensities.

WhatA2typeA2ofA2questionA2allowsA2aA2witnessA2toA2answerA2withA2aA2story?A2-A2Ans--
Open-ended.A2TheseA2areA2theA2bestA2type.

WhatA2isA2fireA2dynamics?A2-A2Ans--TheA2studyA2ofA2allA2theA2behaviorsA2ofA2fire

WhatA2isA2aA2methodA2toA2locateA2anomaliesA2alongA2aA2conductor?A2-A2Ans--
RubA2aA2cottonA2ballA2alongA2theA2conductor

WhatA2thingsA2shouldA2anA2analysisA2beA2basedA2on?A2-A2Ans--
Experience,A2knowledge,A2experienceA2andA2trainingA2ofA2theA2personA2doingA2theA2analy
sis.

MechanicalA2powerA2isA2theA2___________A2inA2aA2systemA2-A2Ans--TheA2output

YouA2shouldA2separateA2witnessesA2asA2soonA2asA2__________A2-A2Ans--
Possible.A2Why?

MechanicalA2powerA2forA2motorsA2isA2usuallyA2expressedA2asA2___________A2-A2Ans--
Horsepower

, ElectricalA2powerA2isA2expressedA2asA2__________A2-A2Ans--Kilowatts

TRUEA2orA2FALSE:A2ComparingA2relativeA2depthA2ofA2calcinationsA2canA2beA2aA2reliableA2
methodA2forA2indicatingA2fireA2spread.A2-A2Ans--True

FireA2investigatorsA2canA2beA2foundA2inA2whatA2twoA2sectors?A2-A2Ans--
PublicA2(fire,A2police,A2etc)A2andA2privateA2(insuranceA2companies)

WhatA2areA2privilegedA2communications?A2-A2Ans--
StatementsA2madeA2byA2certainA2personsA2withinA2aA2protectedA2relationshipA2(husband/
wife,A2attorney/client,A2doctor/patient)

TheA2medicalA2communityA2estimatesA2burnA2damageA2byA2____________A2-A2Ans--
TheA2ruleA2ofA29s

WhatA2areA2theA2degreesA2ofA2burns?A2-A2Ans--
FirstA2degree:A2reddeningA2ofA2skin;A2secondA2degree:A2blistering;A2thirdA2degree:A2fullA2th
icknessA2damageA2toA2skin;A2fourthA2degree:A2damageA2toA2underlyingA2tissueA2andA2char
ringA2ofA2tissue.

WhatA2areA2theA2sevenA2stepsA2ofA2theA2scientificA2method?A2-A2Ans--
RecognizeA2theA2need;A2defineA2theA2problem;A2collectA2data;A2analyzeA2theA2data;A2devel
opA2aA2hypothesis;A2testA2theA2hypothesis;A2selectA2theA2finalA2hypothesis

WhatA2areA2theA2threeA2statesA2ofA2matter?A2-A2Ans--Solid,A2liquid,A2gas/vapor

AA2hypothesisA2mustA2beA2supportedA2byA2_____A2-A2Ans--AllA2facts

WhatA2happensA2whenA2youA2removeA2aA2componentA2fromA2theA2fire/
combustionA2process?A2-A2Ans--TheA2fireA2willA2beA2extinguished

DataA2collectionA2includesA2manyA2thingsA2suchA2asA2-A2Ans--
RecognitionA2ofA2physicalA2evidence;A2collectionA2ofA2materials;A2documentationA2ofA2per
sonalA2observations;A2resultsA2ofA2labA2exams;A2photographs,A2sketches,A2notes;A2official
A2reports


WhatA2isA2negligence?A2-A2Ans--
ConductA2thatA2fallsA2withinA2theA2legalA2standardA2establishedA2toA2protectA2othersA2agai
nstA2harm;A2carelessness;A2failureA2toA2act

MostA2arsonA2offensesA2areA2felonyA2crimesA2punishableA2byA2________A2-A2Ans--
ImprisonmentA2andA2fines

ArsonA2toA2anA2occupiedA2structureA2isA2generallyA2consideredA2toA2beA2_____A2-A2Ans--
FirstA2degreeA2arson,A2punishableA2byA2substantialA2prisonA2time,A2rangingA2toA2aA2lifeA2s
entenceA2inA2someA2jurisdictions.