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HVAC: EPA 608 CERTIFICATION STUDY GUIDE GRADE A+ COMPLETE EXAM QUESTIONS AND 100% VERIFIED ANSWERS (2026/2027) PASS GUARANTEE

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HVAC: EPA 608 CERTIFICATION STUDY GUIDE GRADE A+ COMPLETE EXAM QUESTIONS AND 100% VERIFIED ANSWERS (2026/2027) PASS GUARANTEE

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14 pages

2026/2027

Institution EPA 608 Type III

Course EPA 608 Type III

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HVAC: EPA 608 CERTIFICATION STUDY GUIDE GRADE A+ COMPLETE EXAM QUESTIONS AND 100% VERIFIED ANSWERS (2026/2027) PASS GUARANTEE

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HVAC: EPA 608 CERTIFICATION STUDY
GUIDE GRADE A+ COMPLETE EXAM
QUESTIONS AND 100% VERIFIED
ANSWERS (2026/2027) PASS
GUARANTEE
AreRthereRdrop-inRreplacementsRforRR-12Rsystems?RWhyRorRwhyRnot?R-
RCORRECTRANSWERNoRbecauseRtheRnewRrefrigerantsRareRincompatibleRwithRtheRoilsRandRlubrican

tsRusedRinRR-12Rsystems.

WhatRtypeRofRoilRisRusedRinRR-134aRandRwhatRoilsRwillRitRmixRwith?R-
RCORRECTRANSWEREsterRbasedRoilsRandRtheyRdoRnotRmixRwithRotherRoils

WhatRtypeRofRlubricantRisRusedRwithRHCFCs?R-RCORRECTRANSWERAlkylbenzeneRlubricant

WhatRisRdifferenceRb/wRternaryRblendRaRazeotropicRblend?R-
RCORRECTRANSWERTernaryRblendsRareRthree-

partRmixturesRwhereasRazeotropicRblendsRareRblendsRofRtwoRorRmoreRcompoundsRthatRactRlikeRaRsi
ngleRcompound.

WhatRisRtheRtraitRofRaRhygroscopicRlubricant?R-RCORRECTRANSWERItRabsorbsR(takesRon)Rmoisture

WhatRisRtemperatureRglideRandRwhatRtypeRofRblendRwon'tRhaveRit?R-
RCORRECTRANSWERTemp.RblendRisRtheRdifferenceRbetweenRtheRdewRpointRandRtheRbubbleRpoint

DewRPointR-
RCORRECTRANSWEROccursRwhenRsaturationRtempRinRevaporatorRcausesRrefrigerantRtoRchangeRfro

mRliquidRtoRvapor

, BubbleRPointR-
RCORRECTRANSWEROccursRwhenRsaturationRtempRinRcondenserRchangesRrefrigerantRfromRvaporRt

oRliquid

WillRtheRgasesRinRaRternaryRblendRleakRatRtheRsameRrate?RWhyRorRwhyRnot?R-
RCORRECTRANSWERNoRbecauseRdifferentRrefrigerantsRinRblendRhaveRdifferentRvaporRpressures,Rca

usingRthemRtoRleakRatRunevenRrates

RefrigerationRProcessR-RCORRECTRANSWERtransferRofRheatRfromRoneRplaceRtoRanother

EvaporatorR-
RCORRECTRANSWERAbsorbsRheatRintoRsystemRfromRspaceRtoRbeRcooled.RAbsorptionRofRheatRcause

sRrefrigerantRtoRboil.RUponRleaving,RrefrigerantRchangedRtoRlowRpressure,RlowRtemperatureRvapor

CompressorR-RCORRECTRANSWERTakesRlowRpressure,RlowRtempRvaporRandRchangesRitRtoRaRhigh-
temp,Rhigh-pressure,RsuperheatedRvaporRandRdeliversRitRtoRtheRcondenser

CondenserR-RCORRECTRANSWERRejectsRheatRfromRsystemRandRchangesRrefrigerantRfromRhigh-
temp,Rhigh-pressureRvaporRintoRhigh-pressure,Rhigh-tempRliquid

MeteringRDeviceR-RCORRECTRANSWERreducesRpressureRofRrefrigerantRandRchangesRtheRhigh-
pressure,Rhigh-tempRliquidRintoRlowRpressure,RlowRtempRliquid.

CompoundRGaugeR-
RCORRECTRANSWERTypicallyRblueRandRmeasuresRlowRpressureR(psig)RandRvacuumR(inHg).

HighRPressureRGaugeR-
RCORRECTRANSWERRedRandRmeasuresRhighRsideR(discharge)Rpressure.R0RtoR500Rpsi

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Uploaded on: September 25, 2026
Number of pages: 14
Written in: 2026/2027
Type: Exam (elaborations)
Contains: Questions & answers

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