313D exam prep EXAM QUESTIONS WITH VERIFIED ANSWERS RATED A+ .

313D EXAM PREP EXAM QUESTIONS
WITH VERIFIED ANSWERS RATED A+
2026-2027
CanEyouEuseEaElowEpressureEcontrolEasEaEthermostatEonEaEsystemEwithEaEcapillaryEtubeEmeteringEde
vice?

-ENoEyouEcanEnot



InEtheEquestionEaboveEwhyEcanEyouEorEwhyEcan'tEyouEuseEaElowEpressureEcontrolEasEaEthermostatEw
ithEaEsystemEutilizingEaEcapillaryEtubeEasEaEmeteringEdevice?



A.EYouEcanEbecauseEofEtheEpressureEtemperatureErelationshipEofErefrigerants,EonceEyouEhaveEtheEp
roperEcutEinEandEcutEoutEpressures,EcoolerEwillEmaintainEproperEtemperature.

B.EYouEcan'tEbecauseEwithEaEcapillaryEtubeEsystemEtheErefrigerantEpressuresEwillEequalizeEinEtheEoffE
cycle.E-ECORRECTEANSWERS-
B.EYouEcan'tEbecauseEwithEaEcapillaryEtubeEsystemEtheErefrigerantEpressuresEwillEequalizeEinEtheEoffE
cycle.



TheEbestEtermEtoEdescribeE"reclaim"?



A.ETakeErefrigerantEoutEofEtheEairEconditioningEunit,EandEplaceEinEanEapprovedEcontainer.

B.ETakeErefrigerantEoutEofEtheEairEconditioningEunit,EandEplaceEinEanEapprovedEcontainer,EandEretur
nEtheErefrigerantEtoEtheEsystemEonceErepaired.

C.ETakeErefrigerantEoutEofEtheEairEconditioningEunit,EandEplaceEinEanEapprovedEcontainer,EputErefrig
erantEthroughEanEonEsiteEoilEseparationEandEdistillationEprocess,EandEreturnEtheErefrigerantEtoEtheEs
ystemEonceErepaired.

D.ETakeErefrigerantEoutEofEtheEairEconditioningEunit,EandEplaceEinEanEapprovedEcontainer,EsendErefri
gerantEoffEsiteEforEoilEseparationEandEdistillationEprocess,EandErefrigerantEisEsoldEbackEtoEtheEindust
ryEasEnewErefrigerant.E-ECORRECTEANSWERS-
D.ETakeEtheErefrigerantEoutEofEtheEairEconditioningEunit,EandEplaceEinEanEapprovedEcontainer,EsendEr
efrigerantEoff-

,siteEforEoilEseparationEandEdistillationEprocess,EandErefrigerantEisEsoldEbackEtoEtheEindustryEasEnewEr
efrigerant.



TXEvalveEasEweEknowEfromEourEstudiesEisEdesignedEtoEmaintainEaEconstantEsuperheatEinEtheEevapor
atorEcoil,EWhatEhappensEwhenEtheEevaporatorEcoilEfreezesEover?



A.ETXEvalveEmaintainsEaEconstantEsuperheatEunderEallEloadEconditionsEevenEasEevaporatorEcoilEtem
peratureEchanges.

B.ETXEvalveEwillEnotEmaintainEsuperheatEunderEallEloadEconditions,EsaturatedErefrigerantEmayEbeEge
ttingEbackEtoEtheEcompressor.E-ECORRECTEANSWERS-
B.ETXEvalveEwillEnotEmaintainEsuperheatEunderEallEloadEconditions,EsaturatedErefrigerantEmayEbeEge
ttingEbackEtoEtheEcompressor.



aEheatEpumpEwithEaEreversingEvalveEthatEisEleakingEinternallyEcause?



A.ETheEcompressorEamperageEtoEincrease

B.ETheEcondenserEtoEfrostE(inEcoolingEmode)

C.EAEleakEofErefrigerantEtoEtheEoutdoorEenvironment.

D.ECausesEhighEsuctionEpressureEandElowEdischargeEpressure.E-ECORRECTEANSWERS-
D.ECausesEhighEsuctionEpressureEandElowEdischargeEpressure.



IfEaEnewEairEconditionerEsystemEisEinstalledEwithEaE45EfootElineEset,EandEtheEunitEisEpreEchargedEwith
ErefrigerantEforEaE15EfootElineEset,EandEtheEinstallationEinstructionsEindicateEtoEaddE.6EouncesEforEea


chEadditionalEfootEofElineEset,EtoEcorrectlyEchargeEtheEequipmentEtheEtechnicianEwouldEadd?



A.EAddE24EouncesE(1ElbE8Eoz)EofErefrigerant.

B.EAddE18EouncesE(1ElbE2Eoz)EofErefrigerant.

C.ERemoveE4EouncesEofErefrigerant.

D.EAddE32E(2Elbs)EouncesEofErefrigerant.E-ECORRECTEANSWERS-45-15=30

,30x.6=18



B.EAddE18EouncesEorE(1ElbE2Eoz.)EofErefrigerant.



TheEmostEcommonEtypeEofEcompressorEfoundEinEresidentialEairEconditioningEis?



A.ETheEcapacitorEstartEinductionErunE(CSIR)

B.ETheEcapacitorEstartEcapacitorErunE(CSCR)

C.ETheEshadedEpole.

D.ETheEpermanentEsplitEcapacitorE(PSC)E-ECORRECTEANSWERS-
D.ETheEpermanentESplitECapacitor.E(PSC)



TheEtypeEofEsoftEdrawnEcopperEusedEinEresidentialEairEconditioningEsystemsEis?



A.ETypeEL

B.ETypeEM

C.ETypeEK

D.ETypeESE-ECORRECTEANSWERS-A.ETypeELEorEDehydrated



TheEcapacitorEonE(CSIR)ECapacitorEStartEInductionERunEcompressorEis?



A.EInEseriesEwithEtheEstartEwinding.

B.EInEparallelEwithEtheErunEwinding.

C.EInEseriesEwithEtheErunEwinding.

D.EInEparallelEwithEtheEStratEwinding.E-ECORRECTEANSWERS-A.EInEseriesEwithEtheEstartEwinding.

, CapacitorsEusedEinEairEconditioningEsystemsEareEmeasuredEin?



A.EVoltsE(V)

B.EWattsE(W)

C.EMicrofaradsE(uf)

D.ECoulombsE(C)E-ECORRECTEANSWERS-C.EMicrofarads



TheEmostEpreferredEsubstanceEusedEforEairEconditioningEsystemEpressureEtestingEis?



A.ERefrigerant

B.EOxygen

C.ECompressedEair.

D.ENitrogenE-ECORRECTEANSWERS-D.ENitrogen



TheEvacuumEpumpEisEusedEto?



A.ERemoveErefrigerantEfromEtheEairEconditioningEsystem.

B.ERemoveEoxygenEandEmoistureEfromEtheEair.

C.ERemoveEoxidesEfromEtheEairEconditioningEsystem.

D.EFilterEandEcleanEsystemEoil.E-ECORRECTEANSWERS-B.ERemoveEoxygenEandEmoistureEfromEtheEair.



AEcloggedEfurnaceEairEfilterEwillEcause?



A.EHighEliquidEpressureEinEtheEcondenser.

B.EAEmixtureEofEliquidEandEvaporizedErefrigerantEenteringEtheEmeteringEdevice.

C.ELiquidElowEpressureErefrigerantEtoEenterEtheEcondenser.