IICRC - Applied Structural Drying Questions and Answers 100% Pass

IICRC - Applied Structural Drying
Questions and Answers 100% Pass
AirAFiltrationADeviceA(ADF)A-ACORRECTAANSWERSA-
CommonlyAcalledAanAairAscrubberAorAnegativeAairAmachineAifAairborneAparticlesAneedAtoA
beAreduced,AyouAcouldAuseAanAappropriatelyAinstalledA_______A________A________
AirAFiltrationADeviceA-ACORRECTAANSWERSA-AFD
AssemblyAConstructionA-ACORRECTAANSWERSA-
PriorAtoAdeterminingAtheAbestAdryingAsystemAforAaffectedAmaterials,ArestorersAshouldAident
ifyAandAunderstandAtheAassemblyAconstructionA(ieAwallAassembly,AfloorAassembly)
CategoryA1A-ACORRECTAANSWERSA-
waterAoriginatesAfromAaAsanitaryAsourceAandAdoesAnotAposeAsubstantialAriskAforAdermal,Ain
gestion,Ainhalation,AorAexposure.AUncontaminatedAandAroutinelyAcleaned
CategoryA2A-ACORRECTAANSWERSA-
waterAcontainsAsignificantAcontaminationAandAhasAtheApotentialAtoAcauseAdiscomfortAorAsic
knessAifAcontactedAorAconsumedAbyAhumans
CategoryA3A-ACORRECTAANSWERSA-
waterAisAgrosslyAcontaminatedAandAcanAcontainApathogenic,Atoxigenic,AorAotherAharmfulAa
gents
SewageABackAUpA-ACORRECTAANSWERSA-CategoryA3
CleanAwaterAsupplyAlineA-ACORRECTAANSWERSA-CategoryA1
ClassA1A-ACORRECTAANSWERSA-
LeastAamountAofAwaterAabsorptionAandAevaporationAloadA-AWetAporousAmaterialsA-
AwaterAlossAisAlessAthenA5%AofAtheAarea

ClassA2A-ACORRECTAANSWERSA-
SignificantAamountAofAwaterAabsorptionAandAevaporationAloadA-
AwaterAintrusionAwhereAwetArepresentsA5%A-A40%AofAtheAarea.

ClassA3A-ACORRECTAANSWERSA-
greatestAamountAofAwaterAabsorptionAandAevaporationAload.AWaterAintrusionAwhereAwetAre
presentsAoverA40%AofAtheAarea
ClassA4A-ACORRECTAANSWERSA-
deeplyAheldAorAboundAwater.ASignificantAamountAofAwaterAabsorptionAintoAlowAevaporation
Amaterials.ADryingAmayArequireAspecialAdryingAmethods,AlongerAdryingAtime,AorAsubstantial

AwaterAvaporApressureAdifferentials.

ClosedAdryingAsystemA-ACORRECTAANSWERSA-
UsesAmechanicalAdehumidificationAandAisAnotAopenAtoAoutsideAair.AUsedAifAthereAareAsecur
ityAissues,AtheAoutsideAairAisAnotAconductiveAtoAdryingAorAwhenAaccessAtoAoutsideAairAisAnotA
possible.
ConventualArefrigerantAdehumidifierA-ACORRECTAANSWERSA-
RemovesAwaterAvaporAfromAtheAairAbyAloweringAtheAtemperatureAofAtheAincomingAairAtoAbel
owAdewApointAandAcausingAtheAwaterAtoAcondenseAonAtheAcoils.AColdAandAhotAsurfacesAcre
atedAwithAgasesAinsideAaAclosedAcoilAsystem.

, CombinationADryingASystemA-ACORRECTAANSWERSA-
usesAsomeAoutdoorAairAwithAdehumidifiersAtoAaccelerateAtheAdryingAprocess.AThisAcanAincl
udeAperiodicallyAventingA(flushing)AtheAstructure,AusingAnegativeApressureAorAusingAsmallA
openingsAtoAtheAoutside
DesiccantAdehumidifierA-ACORRECTAANSWERSA-
RemovesAwaterAvaporAfromAtheAairAthroughAabsorption.AUsuallyArequiresAmoreAamperage
AasAcomparedAtoArefrigerantAdehumidifier.ADesiccantsAcreateAtheAlowestAvaporApressureAw

hichAworkAbestAonAlowAporosityAmaterials.AWhenAaAdesiccantAdehuAisAdrawingAoutsideAairA
andAductingAprocessedAairAinsideAaAbuildingAitAcanAcreateApositiveApressureAinAtheAbuilding
.AToAimproveAdesiccantAdehuAperformance,AitAmayAbeAbeneficialAtoApre-
coolAtheAdesiccantsAairAintake
InfiltrationA-ACORRECTAANSWERSA-
HighAhumidityAoutsideAairAcouldAaffectAtheAdryingAclimateAadverselyAdueAtoA___________
___
1.ATightnessAofAtheAbuildingAenvelope
2.APrevailingAweather
3.AHVAC
4.AClassAofAWater
5.ABuildingAConstruction
5.ABuildAoutAdensityA-ACORRECTAANSWERSA-
FavorsAthatAaffectAtheAdetailedAdehumidifierAcalculationAis:
DetailedADehumidificationACalculationA-ACORRECTAANSWERSA-SeeAChart:A
CubicAFeetA:ADividedAbyA70A=ABaseAPintsAperAday
MultiplyAtheA5AmultipliersAtogether:ABuildAoutAdensityAxAbuildingAconstructionAxAclassAofAwat
erAxAHVACAxAWeatherAImpactA=AMultiplier
MultiplyABaseAPintsAperAdayAxAMultiplierA=AAdjustedAPintsAPerADay
DryAStandardsA-ACORRECTAANSWERSA-
TheAunaffectedAmaterialAreadingsAareAcalledA______A______.AYouAknowAyouAcanAuseAthis
AasAyourAdryingAgoal.AYourAdryingAgoalAisAthisAplusA10%AofAit.

DryingAGoalACalculationA-ACORRECTAANSWERSA-
DryAstandardA+A(DryAstandardAxA10%)A=A____________________
WhyAdoesAdemolitionAoccurA-ACORRECTAANSWERSA-
1.ARemovingAMaterialsAtoAeliminateAsafetyAhazards
2.ARemovingAmaterialsAthatAhaveAsufferedAprimaryAdamageAandAareAnotArestorable
3.ARemovingAporousAmaterialsAthatAareAholdingAodor
5.ARemovingAvaporAbarriersAtoAassistAwithAdryingAefforts
6.ARemovingAmaterialsAtoAreduceAdryingAtime
7.ARemovingAmaterialsAtoAopenAcavitiesAorAareasAtoAprovideAadditionalAneededAservices

UsefulAforAadjuster,AorAnotesAonAxactimateAlineAitems
RecommendationACalculationA-ACORRECTAANSWERSA-
StepA1:AInstallAOneAairAmoverAinAeachAaffectedARoom
StepA2:AAddAoneAairAmoverAforAeveryA50-70AsquareAfeetAofAaffectedAwetAfloorAinAeachAroom
StepA3.AAddAoneAairAmoverAforAeveryA100A-
A150AsquareAfeetAofAaffectedAwetAceilingAandAwallAareasAaboveAapproximatelyA24"

StepA4:AAddAoneAairAmoverAforAeachAwallAinsetAandAoffsetAgreaterAthanA18"