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IAAI CFI STUDY QUESTIONS WITH VERIFIED ANSWERS

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IAAI CFI STUDY QUESTIONS WITH VERIFIED ANSWERS

Institution

NAFI CFEI

Course

NAFI CFEI

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IAAI CFI STUDY QUESTIONS WITH
VERIFIED ANSWERS
CombustibleYLiquidY-YCORRECTYANSWERS-AYliquidYwithYaYflashYpointYABOVEY100F

12.5Y-YCORRECTYANSWERS-
IfYtheYcurrentYflowingYoutYfromYanYelectricalYpanelYisY12.5Yamps,YandYitYthenYflowsYthroughYanYelec
tricalYloadYofY1500Ywatts,YwhatYisYtheYamperageYofYtheYremainingYcurrentYflowYofYtheYreturnYcircuit
?

1000Y-YCORRECTYANSWERS-IfYaYhairYdryerYdrawsY8.3ampsY(inYaYhomeYwithY120-
voltYservice),YwhatYisYtheYwattage?

*PowerY(P)Y=YcurrentY(I)YxYvoltageY(V)

WattsY=YampsYxYvolts

1987Y-YCORRECTYANSWERS-TheYyearYofYtheYfirstYeditionYofYNFPAY1033

1.5YtimesY-YCORRECTYANSWERS-
TheYrecommendedYdistanceYforYsecuringYtheYperimeterYofYaYblastYscene

*ThatYis,YtheYdistanceYfromYtheYfurthestYdebris

1100°FY-YCORRECTYANSWERS-
WhatYtemperatureYinYtheYupperYgasYlayerYcausesYtheYonsetYofYFlashover?

1960°FY-YCORRECTYANSWERS-TheYtemperatureYatYwhichYcopperYmelts

,2YW/cm2Y-YCORRECTYANSWERS-
TheYmeasurementYofYtheYradiantYheatYfluxY(fromYgasYlayerYtoYtheYfloor)YthatYindicatesYtheYonsetYofY
flashover

240YvoltsY-YCORRECTYANSWERS-
TheYvoltageYbetweenYtheYtwoYhotYwiresYatYtheYserviceYentranceYcablesYinYmostYsingle-
familyYresidencesYinYtheYUnitedYStatesY(single-phaseYserviceYwithYthreeYwires)

3YyearsY-YCORRECTYANSWERS-TheYrevisionYcycleYforYNFPAY921Y(timespan)

350°FY-YCORRECTYANSWERS-TheYflashYpointYofYpowerYsteeringYfluid

35-70Yp.s.i.Y-YCORRECTYANSWERS-InYhigh-pressureYfuel-
injectedYvehicles,YthisYisYtheYtypicalYrangeYofYpressureYthatYisYusedYtoYpumpYfuelYfromYaYfuelYtank

5YandY17Y-YCORRECTYANSWERS-
TheYlowerYexplosiveYandYupperYexplosiveYlimitYofYnaturalYgasY(methane)?

680°FY-YCORRECTYANSWERS-TheYignitionYtemperatureYofYpowerYsteeringYfluid

FuelY-YCORRECTYANSWERS-AnyYsubstanceYthatYcanYundergoYcombustion

ActYorYOmissionY-YCORRECTYANSWERS-
TwoYfactorsYorYsituationsYleadingYtoYaYfireYthatYmayYshowYtheYnatureYofYtheYincidentYresponsibility.

AdditionalYInvestigativeYRecommendationsY-YCORRECTYANSWERS-
ThisYconceptYshouldYnotYbeYincludedYinYaYsummaryYreportYofYfindings.

,AdmiraltyYLawY-YCORRECTYANSWERS-AYlawYthatYmayYgovernYtheYfireYinvestigationYofYaYboat

After-marketYEquipmentY-YCORRECTYANSWERS-
AYtypeYofYdeviceYinYaYvehicle,YwhichYcanYcauseYanYelectricalYoverloadYtoYfactoryYinstalledYwiring

AliveYandYBreathingY-YCORRECTYANSWERS-
EvidenceYofYsmokeYorYsootYinYtheYlungs,Ybronchi,YandYtracheaYisYoneYofYtheYmostYsignificantYfactors
YinYconfirmingYthat,YatYtheYtimeYofYtheYfire,YtheYvictimYwasYWHAT?

AllYTeamYMembersY-YCORRECTYANSWERS-
ThoseYwhoYhaveYtheYresponsibilityYforYmonitoringYsafetyYconditionsYatYtheYfireYorYexplosionYscene

1220°FY-YCORRECTYANSWERS-TheYmeltingYtemperatureYofYaluminum

Aluminum-to-pavementYsparksY-YCORRECTYANSWERS-
WhichYoneYofYtheseYisYNOTYconsideredYaYcompetentYignitionYsource?Y

Metal-to-metalYsparks,

Aluminum-to-pavementYsparks,

Metal-to-pavementYsparks,

MotorYbearingYsparks

HeatYReleaseYRateY-YCORRECTYANSWERS-
AYmeaningfulYanalysisYofYaYfireYrequiresYanYunderstandingYofYtheYfireYgrowth,YtheYtotalYheatYreleas
ed,YandYWHAT?

Arc-faultYcircuitYinterrupterY-YCORRECTYANSWERS-
WhatYdoesYheYtermYAFCIYstandYfor?YAnd,YtheY"A"YspecificallyYrepresentsYwhat?

, ASTMY-YCORRECTYANSWERS-
TheYorganizationYthatYdevelopsYstandardYmethodsYforYtestingYmaterials

Auto-ignitionY-YCORRECTYANSWERS-InitiationYofYcombustionYbyYheatYbutYwithoutYaYsparkYorYflame

BackdraftY-YCORRECTYANSWERS-
AYdeflagrationYresultingYfromYtheYsuddenYintroductionYofYairYintoYaYconfinedYspaceYcontainingYoxy
gen-deficientYproductsYofYincompleteYcombustion

BackdraftY-YCORRECTYANSWERS-
AnYexplosionYcausedYbyYaYcombinationYofYcombustibleYmaterialsYheatedYtoYtheYignitionYpointYandY
aYsuddenYintroductionYofYoxygenYtoYsupportYcombustion

BackfireYFlameYArrestorY-YCORRECTYANSWERS-
AYboatYdeviceYthatYownersYfailYtoYkeepYclean,YwhichYisYaYfrequentYcauseYofYengineYcompartmentYfir
esYonYboats

BallastY-YCORRECTYANSWERS-
AYdeviceYonYaYfluorescentYlightYfixtureYthatYtransformsYtheYvoltageYfromYnormalYhouseholdYvoltag
eYtoYaYhigherYvoltage

BatteryY-YCORRECTYANSWERS-TheYstarterYmotorYdrawsYitsYenergyYfromYthisYsource

BeyondYaYReasonableYDoubtY-YCORRECTYANSWERS-TheYburdenYofYproofYinYaYcriminalYtrial

BimetallicYThermostatsY-YCORRECTYANSWERS-
TheYcomponentYthatYcontrolsYtemperatureYinYmanyYheat-producingYappliances

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Uploaded on: June 23, 2026
Number of pages: 31
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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IAAI CFI STUDY QUESTIONS WITH VERIFIED ANSWERS

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