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EPA 608 UNIVERSAL QUESTIONS WITH CORRECT ANSWERS

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EPA 608 UNIVERSAL QUESTIONS WITH CORRECT ANSWERS

Institution
EPA 608 Universal
Course
EPA 608 Universal

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EPA 608 UNIVERSAL QUESTIONS
WITH CORRECT ANSWERS

Refrigeration qstechnicians qswho qsviolate qsthe qsClean qsAir qsAct qscan: qs- qs- qsANS--
Lose qstheir qsEPA qscertification, qsbe qsfined, qsbe qsrequired qsto qsappear qsin qsFederal
qscourt.


After qs1995, qsany qssupplies qsof qsCFC qsrefrigerants qsto qsservice qsexisting qsunits qsin
qsthe qsUSA qscan qsonly qscome qsfrom: qs- qs- qsANS--recovery qsand qsrecycling.


Refrigerant qsthat qsis qsrecovered qscan qsbe qsreturned qsto: qs- qs- qsANS--the qssame
qssystem qsor qsother qssystems qsowned qsby qsthe qssame qsperson qswithout qsrestriction.


Refrigerant qscan qsnot qsbe qscalled qs"reclaimed" qsunless qsit: qs- qs. qs- qsANS--has qsbeen
qschemically qsanalyzed qsand qsthe qsrefrigerant qsmeets qsthe qsARI-700 qsstandard.


The qsEPA qscan qsrequire qsa qstechnician qsto qsdemonstrate qstheir qsability qsto qsperform
qsproper qsprocedures qsfor qsrecovering qsand/or qsrecycling qsrefrigerant. qsFailure qsto
qsdemonstrate qscompetency qscan qsresult qsin: qs- qs- qsANS--revocation qsof qsthe
qstechnicians qscertification.


What qscharacteristic(s) qsof qsCFCs qsmake qsthem qsmore qslikely qsto qsreach qsthe
qsstratosphere qsthan qsmost qsother qscompounds qscontaining qschlorine? qs- qs- qsANS--
Refrigerants qsthat qscontain qschlorine qsbut qsnot qshydrogen qsare qsso qsstable qsthat
qsthey qsdo qsnot qsbreak qsdown qsin qsthe qslower qsatmosphere qsafter qsbeing qsreleased.
qsThe qschlorine qsor qsbromine qsreacts qswith qsthe qsozone, qscausing qsit qsto qschange
qsback qsto qsoxygen, qsthus qsdestroying qsthe qsozone qslayer.


A qssystem qsis qsconsidered qsdehydrated qswhen: qs- qs- qsANS--the qsvacuum qsindicator
qsshows qsyou qshave qsreached qsand qsheld qsthe qsrequired qsfinished qsvacuum.


Disposable qsrefrigerant qscontainers qsare qsused qsfor qs______ qs- qsANS--virgin
qsrefrigerant


Which qsrefrigerant qsis qsan qsHCFC? qs- qs- qsANS--R-123, qsR-124, qsR-22

What qsstatement qsis qstrue qsabout qsan qsazeotropic qsrefrigerant qsmixture? qs- qs- qsANS--
It qsis qsa qsmixture qsthat qsacts qslike qsa qssingle-component qsrefrigerant qsover qsits
qsentire qsrange.

, Chlorofluorocarbos qs(CFCs) qsand qshydrochlorofluorocarbons qs(HCFCs) qshave qswhich
qsof qsthe qsfollowing qsin qscommon? qs- qs- qsANS--It qsis qsa qsmixture qsthat qsacts qslike qsa
qssingle-component qsrefrigerant qsover qsits qsentire qsrange.


To qsscrap qsa qsdisposable qscylinder, qsthe qsinternal qscylinder qspressure qsshould qsbe
qsreduced qsto qsat qsleast: qs- qs- qsANS--0 qspsig.


Manifold qsgauge qssets qsare qsoften qscolor qscoded, qswhen qsthis qsis qsdone, qsthe qshigh
qspressure qsgauge qsis qscolor qscoded: qs- qsRed. qs- qsANS--


In qsgeneral, qsblended qsrefrigerants qsshould qsbe qscharged: qs- qs- qsANS--as qsa qsliquid.

Blended qsrefrigerants qsleak qsfrom qsa qssystem: qs- qs- qsANS--in qsuneven qsamounts
qsdue qsto qsdifferent qsvapor qspressures.


Which qsof qsthe qsfollowing qsgases qshelp qsform qsthe qsearth's qsprotective qsshield? qs-
qsStratospheric qsOzone qs- qsANS--


In qsa qsrefrigerant qssystem, qsthe qsdevice qsthat qschanges qsa qslow qspressure qsvapor
qsto qsa qshigh qspressure qsvapor qsis qsthe: qs- qscompressor. qs- qsANS--


Data qsshows qsthat qschlorine qsin qsthe qsstratosphere qscomes qsmainly qsfrom qsCFCs
qsrather qsthan qsfrom qsnatural qssources qssuch qsas qsvolcanoes qsbecause: qs- qsThe
qsrise qsin qsthe qsamount qsof qschlorine qsin qsthe qsstratosphere qsmatches qsthe qsrise qsin
qsthe qsamount qsof qsfluorine, qswhich qshas qsdifferent qsnatural qssources qsthan qschlorine;
qsThe qsrise qsin qsthe qsamount qsof qschlorine qsin qsthe qsstratosphere qsmatches qsthe
qsrise qsin qsCFC qsemissions; qsAir qssamples qstaken qsfrom qsthe qsstratosphere qsover
qserupting qsvolcanoes qsshow qsthat qsvolcanoes qscontribute qsa qssmall qsquantity qsof
qschlorine qsto qsthe qsstratosphere qswhen qscompared qsto qsCFCs; qs- qsANS--


Which qsatom qsof qsthe qsCFC qsmolecule qscauses qsozone qsdepletion? qs- qschlorine qs-
qsANS--


The qsozone qslayer qsprotects qsthe qsearth qsfrom: qs- qsultraviolet qsradiation qsfrom qsthe
qssun. qs- qsANS--


When qsusing qswith qsany qssolvent, qscleaner, qschemical qsor qsrefrigerant, qsyou qsshould
qsreview: qs- qsmaterial qssafety qsdata qssheets. qs- qsANS--


An qsaward qsof qsup qsto qswhat qsamount qsmay qsbe qspaid qsto qsa qsperson qssupplying
qsinformation qsthat qsleads qsto qsa qspenalty qsagainst qsa qstechnician qswho qsis
qsintentionally qsventing? qs- qs10,000 qs- qsANS--


The qsMontreal qsProtocol qsis: qs- qsa qstreaty qsamong qsnations qsthat qscontrols
qsproduction qsof qsCFCs qsand qsHCFCs. qs- qsANS--

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