Exam (elaborations)
EPA 608 CORE TEST SAMPLE QUESTIONS WITH ALL ANSWERS
EPA 608 CORE TEST SAMPLE QUESTIONS WITH ALL ANSWERS
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EPA 608 CORE TEST
SAMPLE QUESTIONS
WITH ALL ANSWERS
AsVofVwhatVdateVdidVitVbecomeVunlawfulVtoVreleaseVClassV1VandVClassVII
refrigerantsVtoVtheVatmosphere?
a.VJulyV1,V1992
b.VJulyV1,V1993
c.VNovemberV14,V1994
d.VJanuaryV1,V1996V-VcorrectVanswer-a.VJulyV1,V1992
WhatVisVtheVozoneVlayerVandVwhyVisVitVimportantVtoVusVonVEarth?
a.VThinVlayerVofVR-22VinVtheVatmosphereVthatVfiltersVUV.
b.VProtectiveVshieldVforVEarthVfromVtheVsun'sVharmfulVultraviolentV(UV)
raysVinVtheVstratosphereVlayerVthatVextendsVaboutV6VtoV30VmilesVabove
earth
c.VThinVlayerVofVCFCVandVHCFCVinVtheVatmosphereVthatVfiltersVUV.
d.VProtectiveVlayerVthatVshieldsVUVVinVtheVTroposphereV-VcorrectVanswer-
b.VProtectiveVshieldVforVEarthVfromVtheVsun'sVharmfulVultraviolentV(UV)
raysVinVtheVstratosphereVlayerVthatVextendsVaboutV6VtoV30VmilesVabove
earth
TheVatomVfoundVinVCFCVandVHCFCVrefrigerantsVthatVdestroysVozoneVinVthe
stratosphereVis?
a.VFluorine
b.VCarbon
c.VHydrogen
d.VChlorineV-VcorrectVanswer-d.VChlorine
,WhatVisVanVozoneVmoleculeVmadeVof?
a.VRefrigerant
b.VAmmonia
c.VThreeVoxygenVatomsV(O3).
d.VOxygenVandVammonia.V-VcorrectVanswer-ThreeVoxygenVatomsV(O3).
WhichVrefrigerantVisVaVCFC?
a.VR-134A
b.VR-123
c.VR-22
d.VR-12V-VcorrectVanswer-d.VR-12
WhatVisVtheVnameVofVtheVatomVthatVattacksVozoneVmolecules?
a.VCFCVatoms
b.VHCFCVatoms
c.VChlorineVandVbromineVatomsVemittedVintoVtheVatmosphere
d.VaVandVbV-VcorrectVanswer-
c.VChlorineVandVbromineVatomsVemittedVintoVtheVatmosphere
WhichVrefrigerantVisVaVHFC?
a.VR-134A
b.VR-123
c.VR-22
d.VR-12V-VcorrectVanswer-a.VR-134A
DescribeVhowVoneVChlorineVatomVcanVdestroyV100,000VozoneVmolecules.
a.VChlorineVreleasesVoneVofVtheVoxygenVatomsVandVformsVtwoVO2Voxygen
molecules,VleavingVtheVchlorineVmoleculeVfreeVtoVattackVanother
ozoneVmoleculeVandVrepeatVtheVprocess.
b.VChlorineVlocksVupVtheVozoneVmoleculeVandVthenVandVthenVgoesVafter
another.
c.VChlorineVconvertsVtheVozoneVtoVbromineVandVthenVattacksVmoreVozone
molecules.
d.VChlorineVcanVbleachV100,000VozoneVmoleculesVbeforeVitVweakens.V-
VcorrectVanswer-
a.VChlorineVreleasesVoneVofVtheVoxygenVatomsVandVformsVtwoVO2VoxygenVmolecu
les,VleavingVtheVchlorineVmoleculeVfreeVtoVattackVanother
ozoneVmoleculeVandVrepeatVtheVprocess.
WhichVrefrigerantVcontainsVnoVchlorine?
a.VR-134A
b.VR-123
c.VR-22
d.VR-12V-VcorrectVanswer-a.VR-134A
NameVtheVrefrigerantVtypesVthatVbelongVtoVCFCs,VHCFCsVandVHFCs
a.VCFCVR-11,VR-12,VR-500
b.VHCFCVR-22,VR-123
c.VHFCVR-134a
,d.VAllVofVtheVaboveVareVcorrectV-VcorrectVanswer-d.VAllVofVtheVaboveVareVcorrect
TheVruleVofVthumbVforVrefillingVapprovedVcylindersVisVaVmaximumVofV___Vpercent
liquid?
a.V60%
b.V79%
c.V80%
d.V90%V-VcorrectVanswer-c.V80%
WhatVdoVtheVlettersVinV"HCFC"VstandVfor?
a.VHighVCarbonVFluorineVChlorine
b.Vhydrochlorofluorocarbons
c.VHarmfulVCarbonVFluorineVChlorine
d.VhighchlorinefluorocarbonV-VcorrectVanswer-b.Vhydrochlorofluorocarbons
ToVrecoverVrefrigerantVisVto?
a.VRemoveVaVrefrigerantVinVanyVconditionVfromVaVsystemVinVeitherVan
activeVorVpassiveVmanner,VandVstoreVitVinVanVexternalVcontainer
withoutVnecessarilyVtestingVorVprocessing
b.VReduceVcontaminantsVinVusedVrefrigerantVbyVoilVseparationVthroughVfilter
dryers.
c.VReprocessVrefrigerantVtoVnewVproductVspecifications
d.VRemoveVrefrigerantVandVchangeVownership.V-VcorrectVanswer-
a.VRemoveVaVrefrigerantVinVanyVconditionVfromVaVsystemVinVeitherVan
activeVorVpassiveVmanner,VandVstoreVitVinVanVexternalVcontainer
withoutVnecessarilyVtestingVorVprocessing
WhatVisVODP?
a.VOxygenVDestructionVProperties
b.VOzoneVDepletionVPotential
c.VOzoneVDestructionVProperties
d.VOxygenVDepletionVPotentialV-VcorrectVanswer-b.VOzoneVDepletionVPotential
R-134AVisVaV"dropVin"VrefrigerantVfor?
36V|VPVaVgVe
a.VR-12
b.VR-22
c.VR-11
d.VR-134AVisVnotVaVdrop-inVrefrigerantV-VcorrectVanswer-d.VR-134AVisVnotVaVdrop-
inVrefrigerant
NameVsomeVofVtheVhealthVandVenvironmentalVeffectsVofVozoneVdepletion.
a.VIncreasedVTemperatureVofVtheVEarth
b.VIncreasedVCasesVofVSkinVCancer
c.VIncreasedVnumbersVofVCataractsVinVtheVeyes
d.VAllVtheVaboveV-VcorrectVanswer-d.VAllVtheVabove
TheVconditionVandVstateVofVtheVrefrigerantVleavingVaVreceiverVis?
a.VSubcooledVliquid
b.VSubcooledVvapor
, c.VSuperheatedVvapor
d.VSuperheatedVliquid.V-VcorrectVanswer-a.VSubcooledVliquid
WhatVevidenceVdoVweVhaveVthatVCFCsVandVHCFCsVareVdepletingVtheVozone?
a.VTheVriseVinVtheVamountVofVchlorineVmeasuredVinVtheVstratosphereVoverVthe
pastVtwoVdecadesVmatchesVtheVriseVinVtheVamountVofVfluorine.
b.VTheVriseVinVtheVamountVofVchlorineVmeasuredVinVtheVstratosphereVoverVthe
pastVtwoVdecadesVmatchesVtheVriseVinVCFCVemissionsVoverVtheVsame
period.
c.VSamplesVofVairVtakenVfromVtheVstratosphereVoverVeruptingVvolcanoesVshow
thatVvolcanoesVcontributeVaVsmallVquantityVofVchlorineVtoVtheVstratosphere
comparedVtoVCFCs.
d.VAllVtheVaboveV-VcorrectVanswer-d.VAllVtheVabove
TheVcomponentVofVanVairVconditioningVsystemVthatVchangesVaVlowVpressureVvapor
toVaVhighVpressureVvaporVisVthe?
a.VCondenser
b.VMeteringVdevice
c.VEvaporator
d.VCompressor
20.WhatVcharacteristicsV-VcorrectVanswer-d.VCompressor
WhatVcharacteristicsVmakeVitVeasyVforVCFCsVtoVreachVtheVstratosphereVandVhow
doVtheyVgetVthere?
a.VCFCsVareVlighterVthanVairVatomsVandVriseVintoVtheVStratosphere.
b.VCFCsVwillVnotVdissolveVinVwaterVorVbreakVdownVintoVcompoundsVthatVdissolveVi
nVwater.VWindVmovesVthemVintoVtheVStratosphere
c.VHeatingVofVtheVCFCsVmakesVthemVlighterVthanVair.
d.VaVandVcV-VcorrectVanswer-
b.VCFCsVwillVnotVdissolveVinVwaterVorVbreakVdownVintoVcompoundsVthatVdissolveVi
nVwater.VWindVmovesVthemVintoVtheVStratosphere
WhyVdoVweVnowVuseVR-134aVrefrigerant?
a.VItVcostsVless
b.VHFCsVdoVnotVcontainVanyVchlorine
c.VItVisVaVdropVinVreplacementVforVR-22
d.VItVisVaVdropVinVreplacementVforVR-11V-VcorrectVanswer-
b.VHFCsVdoVnotVcontainVanyVchlorine
WhatVisVtheVpurposeVofVtheVCAA?
37V|VPVaVgVe
a.VRegulateVCaliforniaVAirVquality
b.VCleanVtheVairVinVtheVUS
c.VLimitVhowVmuchVofVaVpollutantVcanVbeVinVtheVairVinVtheVUSV-VcorrectVanswer-
c.VLimitVhowVmuchVofVaVpollutantVcanVbeVinVtheVairVinVtheVUS
WhatVthreeVthingsVisVtheVCAAVdoingVtoVcontrolVchlorofluorocarbonVemissions?
a.VSetVdatesVtoVphaseVoutVCFC'sVandVHCFC's
b.VProhibitVventingVofVCFCVandVHCFC
c.VRequireVtheVEPAVtoVsetVstandardsVforVrecoveryVofVrefrigerantsVpriorVto