Icrc - Applied Structural Drying.100- Worked Out Solutions.

IICRC - APPLIED STRUCTURAL
DRYING.100% WORKED OUT
SOLUTIONS



Air mFiltration mDevice m(ADF) m- mCORRECT mANSWERS-Commonly mcalled man mair
mscrubber mor mnegative mair mmachine mif mairborne mparticles mneed mto mbe mreduced,
myou mcould muse man mappropriately minstalled m_______ m________ m________


Air mFiltration mDevice m- mCORRECT mANSWERS-AFD

Assembly mConstruction m- mCORRECT mANSWERS-Prior mto mdetermining mthe mbest
mdrying msystem mfor maffected mmaterials, mrestorers mshould midentify mand munderstand
mthe massembly mconstruction m(ie mwall massembly, mfloor massembly)


Category m1 m- mCORRECT mANSWERS-water moriginates mfrom ma msanitary msource
mand mdoes mnot mpose msubstantial mrisk mfor mdermal, mingestion, minhalation, mor
mexposure. mUncontaminated mand mroutinely mcleaned


Category m2 m- mCORRECT mANSWERS-water mcontains msignificant mcontamination
mand mhas mthe mpotential mto mcause mdiscomfort mor msickness mif mcontacted mor
mconsumed mby mhumans


Category m3 m- mCORRECT mANSWERS-water mis mgrossly mcontaminated mand mcan
mcontain mpathogenic, mtoxigenic, mor mother mharmful magents


Sewage mBack mUp m- mCORRECT mANSWERS-Category m3

, Clean mwater msupply mline m- mCORRECT mANSWERS-Category m1

Class m1 m- mCORRECT mANSWERS-Least mamount mof mwater mabsorption mand
mevaporation mload m- mWet mporous mmaterials m- mwater mloss mis mless mthen m5% mof
mthe marea


Class m2 m- mCORRECT mANSWERS-Significant mamount mof mwater mabsorption mand
mevaporation mload m- mwater mintrusion mwhere mwet mrepresents m5% m- m40% mof mthe
marea.


Class m3 m- mCORRECT mANSWERS-greatest mamount mof mwater mabsorption mand
mevaporation mload. mWater mintrusion mwhere mwet mrepresents mover m40% mof mthe
marea


Class m4 m- mCORRECT mANSWERS-deeply mheld mor mbound mwater. mSignificant
mamount mof mwater mabsorption minto mlow mevaporation mmaterials. mDrying mmay
mrequire mspecial mdrying mmethods, mlonger mdrying mtime, mor msubstantial mwater
mvapor mpressure mdifferentials.


Closed mdrying msystem m- mCORRECT mANSWERS-Uses mmechanical
mdehumidification mand mis mnot mopen mto moutside mair. mUsed mif mthere mare msecurity
missues, mthe moutside mair mis mnot mconductive mto mdrying mor mwhen maccess mto
moutside mair mis mnot mpossible.


Conventual mrefrigerant mdehumidifier m- mCORRECT mANSWERS-Removes mwater
mvapor mfrom mthe mair mby mlowering mthe mtemperature mof mthe mincoming mair mto
mbelow mdew mpoint mand mcausing mthe mwater mto mcondense mon mthe mcoils. mCold
mand mhot msurfaces mcreated mwith mgases minside ma mclosed mcoil msystem.


Combination mDrying mSystem m- mCORRECT mANSWERS-uses msome moutdoor mair
mwith mdehumidifiers mto maccelerate mthe mdrying mprocess. mThis mcan minclude
mperiodically mventing m(flushing) mthe mstructure, musing mnegative mpressure mor musing
msmall mopenings mto mthe moutside


Desiccant mdehumidifier m- mCORRECT mANSWERS-Removes mwater mvapor mfrom
mthe mair mthrough mabsorption. mUsually mrequires mmore mamperage mas mcompared mto
mrefrigerant mdehumidifier. mDesiccants mcreate mthe mlowest mvapor mpressure mwhich
mwork mbest mon mlow mporosity mmaterials. mWhen ma mdesiccant mdehu mis mdrawing
moutside mair mand mducting mprocessed mair minside ma mbuilding mit mcan mcreate
mpositive mpressure min mthe mbuilding. mTo mimprove mdesiccant mdehu mperformance, mit
mmay mbe mbeneficial mto mpre-cool mthe mdesiccants mair mintake


Infiltration m- mCORRECT mANSWERS-High mhumidity moutside mair mcould maffect mthe
mdrying mclimate madversely mdue mto m______________


1. mTightness mof mthe mbuilding menvelope