National Home Inspector Practice Exam
Questions and Answers Updated 2026
WhichAofAtheAfollowingAdescribesApartialAvaporApressure?
A)AWaterAvaporAhasAaAtendencyAtoAdisperseAitselfAequallyAinAtheAavailableAai
r.
B)AWaterAvaporAcausesAnewAhomesAtoArequireAhouseAwrap.
C)AWaterAvaporAisAcommonAwithAforcedAinductionAnaturalAgasAfurnaces.
D)AWaterAvaporAisAanAindicationAofAsickAhouseAsyndrome.A-
AAnswerAA)AWaterAvaporAhasAaAtendencyAtoAdisperseAitselfAequallyAinAtheAav
ailableAair.
InAorderAforAsoffitAventsAtoAoperateAproperly,AthereAMUSTAbe:
A)AAAclearAairAchannelAbetweenAtheAroofAboardsAandAtheAinsulation.
B)AAnAabsenceAofAinsect,Abee,AandAbirdAnests.A
C)AVentsAonAbothAendsAonAtheAoutside.A
D)AContinuousAventAstripsAonAtheAlengthAofAtheAsoffit.A-
AAnswerAA)AAAclearAairAchannelAbetweenAtheAroofAboardsAandAtheAinsulation.
HomeAinspectorsAreportAreceptaclesAwithAreversedApolarityAasApotentiallyAhazar
dousAbecause:
A)ATheyAcontributeAtoAtheAoverheatingAofAtheAreceptacle.
B)ATheyAincreaseAtheAshockAlikelihoodAatAconnectedAequipment.
C)ASingleAphaseAapplianceAmotorsAwillArunAbackwards.
D)ATheyAtripAgroundAfaultAcircuitAinterrupterAoutlets.A-
AAnswerAB)ATheyAincreaseAtheAshockAlikelihoodAatAconnectedAequipment.
,TheAtermA"wetAvent"ArefersAtoAa:
A)AVentAthatAtrapsAwaterAandAthereforeAstaysAwet.
B)AVentAlocatedAaboveAtheAroofAlineAandAexposedAtoArain.
C)AVentAthatArunsAoutsideAanAexteriorAwall.
D)AWasteAlineAthatAalsoAfunctionsAasAaAvent.A-
AAnswerAD)AWasteAlineAthatAalsoAfunctionsAasAaAvent.
EIFSAisAaAsidingAmaterialAthat:
A)AIsAusedAinAcommercialAbuildingsAonly.
B)ALooksAlikeAstuccoAbutAlacksAaAwireAmesh.
C)ACanAbeAinstalledAonAtopAofAaAmodifiedAbitumenAmembrane.
D)ACanAbeAinstalledAonAtopAofAaAmasonryAsurface.A-
AAnswerAB)ALooksAlikeAstuccoAbutAlacksAaAwireAmesh.
TheAjointsAonAtheAexteriorAofAtheAbrickAchimneyAshouldAbe:
A)AConcaved.
B)ARaked.
C)AOpen.
D)AClosed.A-AAnswerAA)AConcaved
WhenAaAwaterAheaterAthermostatAisAsetAatA140A°AFAorAhigher,AaA______Ash
ouldAbeAinstalledAtoAtemperAtheAwater.
A)ATemperatureAprobe
B)AMixingAprobe
C)AMixingAvalve
D)ATemperAvalveA-AAnswerAC)AMixingAvalve
, InAaAforcedAairAfurnace,AtheAburnersAareAusedAtoAgenerateAheatAinAthe:
A)AHeatAexchanger.
B)ADraftAdiverter.
C)AFlue.
D)APlenum.A-AAnswerAA)AHeatAexchanger.
WhileAinspectingAaAcrawlAspace,AyouAshouldAprobeAforAdecayAifAtheA________
_AisAdarkAinAappearance.
A)AKingAjoist
B)AFloorAjoist
C)AMasonryAwall
D)ABearingAwallA-AAnswerAB)AFloorAjoist
WhichAstatementABESTAdescribesAtheAactionAaAhomeAinspectorAshouldAtakeAwhe
nAaAsafetyAissueAisAfoundAinAaAhome?
A)ADetermineAtheAdegreeAofAimmediacy,AandAreportAtoAtheAappropriateAparties
.
B)AExplainAverballyAtoAtheAclient,AbutAdoAnotAincludeAinAaAwrittenAreport.
C)ARepairAtheAproblemAwhenApossible.
D)AShutAdownAtheAsystemAandAcallAaArepairAcontractor.A-
AAnswerAA)ADetermineAtheAdegreeAofAimmediacy,AandAreportAtoAtheAappropria
teAparties.
IvyAhasAgrownAacrossAtheAentireAexteriorAbrickAwallAsurfacesAofAaAone-
familyAhouse.ATheAhomeAinspectorAshouldAreportAthatAtheAivy:
Questions and Answers Updated 2026
WhichAofAtheAfollowingAdescribesApartialAvaporApressure?
A)AWaterAvaporAhasAaAtendencyAtoAdisperseAitselfAequallyAinAtheAavailableAai
r.
B)AWaterAvaporAcausesAnewAhomesAtoArequireAhouseAwrap.
C)AWaterAvaporAisAcommonAwithAforcedAinductionAnaturalAgasAfurnaces.
D)AWaterAvaporAisAanAindicationAofAsickAhouseAsyndrome.A-
AAnswerAA)AWaterAvaporAhasAaAtendencyAtoAdisperseAitselfAequallyAinAtheAav
ailableAair.
InAorderAforAsoffitAventsAtoAoperateAproperly,AthereAMUSTAbe:
A)AAAclearAairAchannelAbetweenAtheAroofAboardsAandAtheAinsulation.
B)AAnAabsenceAofAinsect,Abee,AandAbirdAnests.A
C)AVentsAonAbothAendsAonAtheAoutside.A
D)AContinuousAventAstripsAonAtheAlengthAofAtheAsoffit.A-
AAnswerAA)AAAclearAairAchannelAbetweenAtheAroofAboardsAandAtheAinsulation.
HomeAinspectorsAreportAreceptaclesAwithAreversedApolarityAasApotentiallyAhazar
dousAbecause:
A)ATheyAcontributeAtoAtheAoverheatingAofAtheAreceptacle.
B)ATheyAincreaseAtheAshockAlikelihoodAatAconnectedAequipment.
C)ASingleAphaseAapplianceAmotorsAwillArunAbackwards.
D)ATheyAtripAgroundAfaultAcircuitAinterrupterAoutlets.A-
AAnswerAB)ATheyAincreaseAtheAshockAlikelihoodAatAconnectedAequipment.
,TheAtermA"wetAvent"ArefersAtoAa:
A)AVentAthatAtrapsAwaterAandAthereforeAstaysAwet.
B)AVentAlocatedAaboveAtheAroofAlineAandAexposedAtoArain.
C)AVentAthatArunsAoutsideAanAexteriorAwall.
D)AWasteAlineAthatAalsoAfunctionsAasAaAvent.A-
AAnswerAD)AWasteAlineAthatAalsoAfunctionsAasAaAvent.
EIFSAisAaAsidingAmaterialAthat:
A)AIsAusedAinAcommercialAbuildingsAonly.
B)ALooksAlikeAstuccoAbutAlacksAaAwireAmesh.
C)ACanAbeAinstalledAonAtopAofAaAmodifiedAbitumenAmembrane.
D)ACanAbeAinstalledAonAtopAofAaAmasonryAsurface.A-
AAnswerAB)ALooksAlikeAstuccoAbutAlacksAaAwireAmesh.
TheAjointsAonAtheAexteriorAofAtheAbrickAchimneyAshouldAbe:
A)AConcaved.
B)ARaked.
C)AOpen.
D)AClosed.A-AAnswerAA)AConcaved
WhenAaAwaterAheaterAthermostatAisAsetAatA140A°AFAorAhigher,AaA______Ash
ouldAbeAinstalledAtoAtemperAtheAwater.
A)ATemperatureAprobe
B)AMixingAprobe
C)AMixingAvalve
D)ATemperAvalveA-AAnswerAC)AMixingAvalve
, InAaAforcedAairAfurnace,AtheAburnersAareAusedAtoAgenerateAheatAinAthe:
A)AHeatAexchanger.
B)ADraftAdiverter.
C)AFlue.
D)APlenum.A-AAnswerAA)AHeatAexchanger.
WhileAinspectingAaAcrawlAspace,AyouAshouldAprobeAforAdecayAifAtheA________
_AisAdarkAinAappearance.
A)AKingAjoist
B)AFloorAjoist
C)AMasonryAwall
D)ABearingAwallA-AAnswerAB)AFloorAjoist
WhichAstatementABESTAdescribesAtheAactionAaAhomeAinspectorAshouldAtakeAwhe
nAaAsafetyAissueAisAfoundAinAaAhome?
A)ADetermineAtheAdegreeAofAimmediacy,AandAreportAtoAtheAappropriateAparties
.
B)AExplainAverballyAtoAtheAclient,AbutAdoAnotAincludeAinAaAwrittenAreport.
C)ARepairAtheAproblemAwhenApossible.
D)AShutAdownAtheAsystemAandAcallAaArepairAcontractor.A-
AAnswerAA)ADetermineAtheAdegreeAofAimmediacy,AandAreportAtoAtheAappropria
teAparties.
IvyAhasAgrownAacrossAtheAentireAexteriorAbrickAwallAsurfacesAofAaAone-
familyAhouse.ATheAhomeAinspectorAshouldAreportAthatAtheAivy:
