NAFI CFEI TEST (LATEST 2026 - 2027
UPDATE) QUESTIONS AND VERIFIED
ANSWERS 100% CORRECT
trueW-WCORRECTWANSWERS-
ProbableWcauseWisWnotWneededWtoWobtainWanWadministrativeWsearchWwarrant.
a.True
b.False
conductionW-WCORRECTWANSWERS-
HeatWtransferWtoWanotherWbodyWorWwithinWaWbodyWbyWdirectWcontactWisWcalled:
a.Conduction.
b.Convection.
c.Radiation.
d.Pyrolysis.
trueW-WCORRECTWANSWERS-
FusesWandWcircuitWbreakersWprovideWprotectionWagainstWelectricalWshortWcircuits,Wground/earthWf
aults,andWloadWcurrentsWthatWmightWbeWdamagingW(i.e.Woverloads)WtoWtheWbuildingWelectricalWsys
tem.ProperlyWfunctioningWcircuitWprotectionWmayWallowWtheWeliminationWofWtheWbuildingsWwiring
WsystemWasWaWpotentialWcauseWofWtheWfire.
a.True
b.False
falseW-WCORRECTWANSWERS-InWpre-
flashoverWconditionsWtheWprimaryWheatWtransferWmechanismWforWfireWspreadWthroughWa
compartmentWisWradiation.
a.True
, b.False
falseW-WCORRECTWANSWERS-
InWaWcompartment,WflashoverWoccursWbecauseWconvectiveWheatWenergyWraisesWcombustibleWtoWt
heirWauto-ignitionWtemperature.
a.True
b.False
trueW-WCORRECTWANSWERS-
CombustionWmayWcontinueWwithWavailableWoxygenWconcentrationsWlowerWthanW1Wpercent.
a.True
b.False
trueW-WCORRECTWANSWERS-
TheWwayWstructuresWreactWinWaWfireWoftenWinfluenceWhowWtheWfireWgrowsWandWspreadsWasWwellWa
sWhowWtheymaintainWtheirWstructuralWintegrityWduringWtheWfire.WTherefore,WtheWfireWinvestigatorW
shouldWconsidertheWtypeWofWstructureWandWmethodWofWconstructionWwhenWcompletingWtheWanal
ysisWofWfireWgrowthWandWspreadWasWaWpartWofWtheirWfireWinvestigation.
a.True
b.False
falseW-WCORRECTWANSWERS-MaterialsWwhichWhaveWbeenWproperlyWtreatedWwithWflame-
retardantsWwillWnotWundergoWpyrolysisWandforWthisWreasonWwillWnotWignite.
a.True
b.False
empiricalW-WCORRECTWANSWERS-
DataWthatWisWbasedWonWobservationWorWexperienceWandWcanWbeWverifiedWisWcalled:
a.AnecdotalWdata
UPDATE) QUESTIONS AND VERIFIED
ANSWERS 100% CORRECT
trueW-WCORRECTWANSWERS-
ProbableWcauseWisWnotWneededWtoWobtainWanWadministrativeWsearchWwarrant.
a.True
b.False
conductionW-WCORRECTWANSWERS-
HeatWtransferWtoWanotherWbodyWorWwithinWaWbodyWbyWdirectWcontactWisWcalled:
a.Conduction.
b.Convection.
c.Radiation.
d.Pyrolysis.
trueW-WCORRECTWANSWERS-
FusesWandWcircuitWbreakersWprovideWprotectionWagainstWelectricalWshortWcircuits,Wground/earthWf
aults,andWloadWcurrentsWthatWmightWbeWdamagingW(i.e.Woverloads)WtoWtheWbuildingWelectricalWsys
tem.ProperlyWfunctioningWcircuitWprotectionWmayWallowWtheWeliminationWofWtheWbuildingsWwiring
WsystemWasWaWpotentialWcauseWofWtheWfire.
a.True
b.False
falseW-WCORRECTWANSWERS-InWpre-
flashoverWconditionsWtheWprimaryWheatWtransferWmechanismWforWfireWspreadWthroughWa
compartmentWisWradiation.
a.True
, b.False
falseW-WCORRECTWANSWERS-
InWaWcompartment,WflashoverWoccursWbecauseWconvectiveWheatWenergyWraisesWcombustibleWtoWt
heirWauto-ignitionWtemperature.
a.True
b.False
trueW-WCORRECTWANSWERS-
CombustionWmayWcontinueWwithWavailableWoxygenWconcentrationsWlowerWthanW1Wpercent.
a.True
b.False
trueW-WCORRECTWANSWERS-
TheWwayWstructuresWreactWinWaWfireWoftenWinfluenceWhowWtheWfireWgrowsWandWspreadsWasWwellWa
sWhowWtheymaintainWtheirWstructuralWintegrityWduringWtheWfire.WTherefore,WtheWfireWinvestigatorW
shouldWconsidertheWtypeWofWstructureWandWmethodWofWconstructionWwhenWcompletingWtheWanal
ysisWofWfireWgrowthWandWspreadWasWaWpartWofWtheirWfireWinvestigation.
a.True
b.False
falseW-WCORRECTWANSWERS-MaterialsWwhichWhaveWbeenWproperlyWtreatedWwithWflame-
retardantsWwillWnotWundergoWpyrolysisWandforWthisWreasonWwillWnotWignite.
a.True
b.False
empiricalW-WCORRECTWANSWERS-
DataWthatWisWbasedWonWobservationWorWexperienceWandWcanWbeWverifiedWisWcalled:
a.AnecdotalWdata
