(VERIFIEDgANDgWELLgDETAILEDgANSWER)gLATEST
gUPDATEg2024/2025
Agrefillablegrefrigerantgcylindergmustgnotgbegfilledgaboveg
ofgits
fullgcapacity.g-gCORRECTgANSWERg80%
g
Ozoneglayergabsorbsgandgscattersg fromgthegsung-
gCORRECTgANSWERgUltravioletglight
Angawardgofgupgtog
maygbegpaidgtogagpersongsupplyingg
informationgthatgleadsgtogagpenaltygagainstgagtechniciangwhogisg
intentionallygventing.g-gCORRECTgANSWERg$10,000
Sinceg
,gitgisgnoglongerglegalgforgCFCsgtogbegmanufacturedgorg
importedgintogthegUnitedgStatesg-gCORRECTgANSWERgJang1,g1996
R-134agisgagchlorine-freegrefrigerantg-gCORRECTgANSWERgTrue
MVACgsystemsgbeinggdisposedgmustgbegevacuatedgtog
ofgmercury
beforegbeinggscrappedg-gCORRECTgANSWERg4ginches
g
OzonegatggroundglevelgandgatgStratospheregisgagharmfulgpollutantg-
,gCORRECTgANSWERgFalse
,Eachgchlorinegiongcangablegtogdestroyg ozonegmoleculesg-
gCORRECTgANSWERg100,000
Sinceg
,gitgisgillegalgtogventgsubstitutesgforgCFCgandgHCFCg
refrigerantsg-gCORRECTgANSWERgNovg15,g1995
ForgdetermininggthegOzonegDepletiongPotentialg
havinggbeen
assignedgagfactorgofg1g-gCORRECTgANSWERgCFC-11
g
Ester-basedgsyntheticgoilsgcangbegmixedgwithgothergoilsg-
gCORRECTgANSWERgFalse
LifetimegofgCFCsgisgbelievedgtograngegfromg yearsg-
gCORRECTgANSWERg20-100
CFCsgareghighlygreactiveging ofgatmosphereg-
gCORRECTgANSWERglowerglevels
AtghighgtemperaturesCFC-12gcangdecomposegtogformg -
CORRECTgANSWERghydrofluoricgacidgand/orghydrochloricgacid
ThegCleangAirgActg(CAA)gofg directsgEPAgtogestablish
requirementsgtogpreventgthegreleasegofgozonegdepletinggsubstances.g-
gCORRECTgANSWERg1990
, Non-condensablesgingagrefrigerationgsystemgresultgingag
dischargegpressureg-gCORRECTgANSWERgHigher
MoistureglevelgingRecycledgR-12g(CFC-12)gthatghasgbeengdirectly
removedgfrom,gandgintendedgtogbegreturnedgto,gagmobilegair-
conditioninggsystemgcannotgexceedg PPMgbygweight.g-
gCORRECTgANSWERg15
Refrigerantsgareglightergthangthegair:g-gCORRECTgANSWERgFalse
OvergthegroadgrefrigerationgunitsgandgR-
22g(HCFC)gairgconditioning,gsuchgasgthatgfoundgingbuses,galsogrequiresgS
ectiong certificationg-
gCORRECTgANSWERg608
IfgagtechniciangisgalreadygtrainedgandgcertifiedgtoghandlegCFC-
12,gheghasgtogbegre-certifiedgtoghandlegHFC-134ag-
gCORRECTgANSWERgFalse
Everygrefrigerantgcylindergneedgnotgbegprotectedgbygsomegtypegofgpressu
regreliefgdevice:g-gCORRECTgANSWERgFalse
OzonegdepletiongIncreasegglobalgwarmingg-gCORRECTgANSWERgTrue
Stratosphereglayergconsistsgofgaboutg ofgthegavailablegOzone:g-
gCORRECTgANSWERg90%