IAAI CFI STUDY QUESTIONS WITH
CORRECT ANSWERS GRADED A+
(2026) ASSURED EXCEL!!
CombustibleHLiquid AHliquidHwithHaHflashHpointHABOVEH100F
1987 TheHyearHofHtheHfirstHeditionHofHNFPAH1033
1.5Htimes TheHrecommendedHdistanceHforHsecuringHtheHperimeterHofHaHblastHscene
*ThatHis,HtheHdistanceHfromHtheHfurthestHdebris
1100°F WhatHtemperatureHinHtheHupperHgasHlayerHcausesHtheHonsetHofHFlashover?
1981°F TheHtemperatureHatHwhichHcopperHmelts
2HW/cm2
TheHmeasurementHofHtheHradiantHheatHfluxH(fromHgasHlayerHtoHtheHfloor)HthatHindicatesHth
eHonsetHofHflashover
240Hvolts
TheHvoltageHbetweenHtheHtwoHhotHwiresHatHtheHserviceHentranceHcablesHinHmostHsingle-
familyHresidencesHinHtheHUnitedHStatesH(single-phaseHserviceHwithHthreeHwires)
3Hyears TheHrevisionHcycleHforHNFPAH921H(timespan)
350°F TheHflashHpointHofHpowerHsteeringHfluid
35-70Hp.s.i. InHhigh-pressureHfuel-
injectedHvehicles,HthisHisHtheHtypicalHrangeHofHpressureHthatHisHusedHtoHpumpHfuelHfromHaHfuelHtank
5HandH17 TheHlowerHexplosiveHandHupperHexplosiveHlimitHofHnaturalHgasH(methane)?
680°F TheHignitionHtemperatureHofHpowerHsteeringHfluid
Fuel AHmaterialHthatHwillHmaintainHcombustionHunderHspecifiedHenvironmentalHconditions
ActHorHOmission
TwoHfactorsHorHsituationsHleadingHtoHaHfireHthatHmayHshowHtheHnatureHofHtheHincidentHresp
onsibility.
,AdditionalHInvestigativeHRecommendations
ThisHconceptHshouldHnotHbeHincludedHinHaHsummaryHreportHofHfindings.
AdmiraltyHLaw AHlawHthatHmayHgovernHtheHfireHinvestigationHofHaHboat
After-marketHEquipment
AHtypeHofHdeviceHinHaHvehicle,HwhichHcanHcauseHanHelectricalHoverloadHtoHfactoryHinstalledH
wiring
AliveHandHBreathing
EvidenceHofHsmokeHorHsootHinHtheHlungs,Hbronchi,HandHtracheaHisHoneHofHtheHmostHsignific
antHfactorsHinHconfirmingHthat,HatHtheHtimeHofHtheHfire,HtheHvictimHwasHWHAT?
AllHTeamHMembers
ThoseHwhoHhaveHtheHresponsibilityHforHmonitoringHsafetyHconditionsHatHtheHfireHorHexplosi
onHscene
1220°F TheHmeltingHtemperatureHofHaluminum
Aluminum-to-pavementHsparks
WhichHoneHofHtheseHisHNOTHconsideredHaHcompetentHignitionHsource?H
Metal-to-metalHsparks,
Aluminum-to-pavementHsparks,
Metal-to-pavementHsparks,
MotorHbearingHsparks
HeatHReleaseHRate TheHrateHatHwhichHheatHenergyHisHgeneratedHbyHburning.
Arc-faultHcircuitHinterrupter
WhatHdoesHheHtermHAFCIHstandHfor?HAnd,HtheH"A"HspecificallyHrepresentsHwhat?
ASTM TheHorganizationHthatHdevelopsHstandardHmethodsHforHtestingHmaterials
Auto-ignition InitiationHofHcombustionHbyHheatHbutHwithoutHaHsparkHorHflame
Backdraft
AHdeflagrationHresultingHfromHtheHsuddenHintroductionHofHairHintoHaHconfinedHspaceHconta
iningHoxygen-deficientHproductsHofHincompleteHcombustion
BackfireHFlameHArrestor
AHboatHdeviceHthatHownersHfailHtoHkeepHclean,HwhichHisHaHfrequentHcauseHofHengineHcompa
rtmentHfiresHonHboats
, Ballast
AHdeviceHonHaHfluorescentHlightHfixtureHthatHtransformsHtheHvoltageHfromHnormalHhouseho
ldHvoltageHtoHaHhigherHvoltage
Battery TheHstarterHmotorHdrawsHitsHenergyHfromHthisHsource
BeyondHaHReasonableHDoubt TheHburdenHofHproofHinHaHcriminalHtrial
BimetallicHThermostats TheHcomponentHthatHcontrolsHtemperatureHinHmanyHheat-
producingHappliances
BLEVE ThisHmayHoccurHwhenHtheHvaporHpressureHofHaHliquidHexceedsHatmosphericHpressure
*AndHthisHisHtheHmostHcommonHmechanicalHexplosion
BoilingHPoint
TheHtemperatureHorHpointHatHwhichHtheHvaporHpressureHofHaHliquidHequalsHtheHexternalHpr
essureHapplied
Bonding
TheHpermanentHjoiningHofHmetallicHpartsHtoHformHanHelectricallyHconductiveHpathHthatHens
uresHelectricalHcontinuityHandHtheHcapacityHtoHconductHsafelyHanyHcurrentHlikelyHtoHbeHimposed.
BottomHPassengerHSideHofHtheHWindshield
MostHengineHfiresHtypicallyHpenetrateHtheHinteriorHcompartmentHatHthisHlocationHofHtheHve
hicle
BrassHProngsH(maleHends)
AnHinvestigatorHcanHcloselyHexamineHthisHcomponentHofHaHcordHtoHdetermineHifHitHwasHplu
ggedHintoHaHreceptacle
Calcination
TheHchemicalHandHphysicalHchangesHthatHoccurHinHgypsumHwallboardHsurfacesHduringHaHfir
e
CarbonHMonoxide AHnarcoticHgasHthatHoneHmightHbeHexposedHtoHinHtheHfire
CarbonHMonoxide
TheHlevelsHofHthisHtoxinHdissipateHoverHtimeHafterHremovalHfromHtheHfireHenvironment.
CarbonHMonoxideHPoisoning ThisHtoxicHconditionHdoesHNOTHcauseHaHcherry-
pinkHcolorationHtoHtheHskinHofHtheHfireHvictimHandHisHNOTHvisibleHonHallHskinHtypes
CORRECT ANSWERS GRADED A+
(2026) ASSURED EXCEL!!
CombustibleHLiquid AHliquidHwithHaHflashHpointHABOVEH100F
1987 TheHyearHofHtheHfirstHeditionHofHNFPAH1033
1.5Htimes TheHrecommendedHdistanceHforHsecuringHtheHperimeterHofHaHblastHscene
*ThatHis,HtheHdistanceHfromHtheHfurthestHdebris
1100°F WhatHtemperatureHinHtheHupperHgasHlayerHcausesHtheHonsetHofHFlashover?
1981°F TheHtemperatureHatHwhichHcopperHmelts
2HW/cm2
TheHmeasurementHofHtheHradiantHheatHfluxH(fromHgasHlayerHtoHtheHfloor)HthatHindicatesHth
eHonsetHofHflashover
240Hvolts
TheHvoltageHbetweenHtheHtwoHhotHwiresHatHtheHserviceHentranceHcablesHinHmostHsingle-
familyHresidencesHinHtheHUnitedHStatesH(single-phaseHserviceHwithHthreeHwires)
3Hyears TheHrevisionHcycleHforHNFPAH921H(timespan)
350°F TheHflashHpointHofHpowerHsteeringHfluid
35-70Hp.s.i. InHhigh-pressureHfuel-
injectedHvehicles,HthisHisHtheHtypicalHrangeHofHpressureHthatHisHusedHtoHpumpHfuelHfromHaHfuelHtank
5HandH17 TheHlowerHexplosiveHandHupperHexplosiveHlimitHofHnaturalHgasH(methane)?
680°F TheHignitionHtemperatureHofHpowerHsteeringHfluid
Fuel AHmaterialHthatHwillHmaintainHcombustionHunderHspecifiedHenvironmentalHconditions
ActHorHOmission
TwoHfactorsHorHsituationsHleadingHtoHaHfireHthatHmayHshowHtheHnatureHofHtheHincidentHresp
onsibility.
,AdditionalHInvestigativeHRecommendations
ThisHconceptHshouldHnotHbeHincludedHinHaHsummaryHreportHofHfindings.
AdmiraltyHLaw AHlawHthatHmayHgovernHtheHfireHinvestigationHofHaHboat
After-marketHEquipment
AHtypeHofHdeviceHinHaHvehicle,HwhichHcanHcauseHanHelectricalHoverloadHtoHfactoryHinstalledH
wiring
AliveHandHBreathing
EvidenceHofHsmokeHorHsootHinHtheHlungs,Hbronchi,HandHtracheaHisHoneHofHtheHmostHsignific
antHfactorsHinHconfirmingHthat,HatHtheHtimeHofHtheHfire,HtheHvictimHwasHWHAT?
AllHTeamHMembers
ThoseHwhoHhaveHtheHresponsibilityHforHmonitoringHsafetyHconditionsHatHtheHfireHorHexplosi
onHscene
1220°F TheHmeltingHtemperatureHofHaluminum
Aluminum-to-pavementHsparks
WhichHoneHofHtheseHisHNOTHconsideredHaHcompetentHignitionHsource?H
Metal-to-metalHsparks,
Aluminum-to-pavementHsparks,
Metal-to-pavementHsparks,
MotorHbearingHsparks
HeatHReleaseHRate TheHrateHatHwhichHheatHenergyHisHgeneratedHbyHburning.
Arc-faultHcircuitHinterrupter
WhatHdoesHheHtermHAFCIHstandHfor?HAnd,HtheH"A"HspecificallyHrepresentsHwhat?
ASTM TheHorganizationHthatHdevelopsHstandardHmethodsHforHtestingHmaterials
Auto-ignition InitiationHofHcombustionHbyHheatHbutHwithoutHaHsparkHorHflame
Backdraft
AHdeflagrationHresultingHfromHtheHsuddenHintroductionHofHairHintoHaHconfinedHspaceHconta
iningHoxygen-deficientHproductsHofHincompleteHcombustion
BackfireHFlameHArrestor
AHboatHdeviceHthatHownersHfailHtoHkeepHclean,HwhichHisHaHfrequentHcauseHofHengineHcompa
rtmentHfiresHonHboats
, Ballast
AHdeviceHonHaHfluorescentHlightHfixtureHthatHtransformsHtheHvoltageHfromHnormalHhouseho
ldHvoltageHtoHaHhigherHvoltage
Battery TheHstarterHmotorHdrawsHitsHenergyHfromHthisHsource
BeyondHaHReasonableHDoubt TheHburdenHofHproofHinHaHcriminalHtrial
BimetallicHThermostats TheHcomponentHthatHcontrolsHtemperatureHinHmanyHheat-
producingHappliances
BLEVE ThisHmayHoccurHwhenHtheHvaporHpressureHofHaHliquidHexceedsHatmosphericHpressure
*AndHthisHisHtheHmostHcommonHmechanicalHexplosion
BoilingHPoint
TheHtemperatureHorHpointHatHwhichHtheHvaporHpressureHofHaHliquidHequalsHtheHexternalHpr
essureHapplied
Bonding
TheHpermanentHjoiningHofHmetallicHpartsHtoHformHanHelectricallyHconductiveHpathHthatHens
uresHelectricalHcontinuityHandHtheHcapacityHtoHconductHsafelyHanyHcurrentHlikelyHtoHbeHimposed.
BottomHPassengerHSideHofHtheHWindshield
MostHengineHfiresHtypicallyHpenetrateHtheHinteriorHcompartmentHatHthisHlocationHofHtheHve
hicle
BrassHProngsH(maleHends)
AnHinvestigatorHcanHcloselyHexamineHthisHcomponentHofHaHcordHtoHdetermineHifHitHwasHplu
ggedHintoHaHreceptacle
Calcination
TheHchemicalHandHphysicalHchangesHthatHoccurHinHgypsumHwallboardHsurfacesHduringHaHfir
e
CarbonHMonoxide AHnarcoticHgasHthatHoneHmightHbeHexposedHtoHinHtheHfire
CarbonHMonoxide
TheHlevelsHofHthisHtoxinHdissipateHoverHtimeHafterHremovalHfromHtheHfireHenvironment.
CarbonHMonoxideHPoisoning ThisHtoxicHconditionHdoesHNOTHcauseHaHcherry-
pinkHcolorationHtoHtheHskinHofHtheHfireHvictimHandHisHNOTHvisibleHonHallHskinHtypes
