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Exam (elaborations)

Air-conditioning and refrigeration Exam QUESTIONS WITH CORRECT ANSWERS RATED A+

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Air-conditioning and refrigeration Exam QUESTIONS WITH CORRECT ANSWERS RATED A+

Institution
DC MASTER AIR CONDITIONING AND REFRIGERATION
Course
DC MASTER AIR CONDITIONING AND REFRIGERATION

Content preview

AIR-CONDITIONING AND
REFRIGERATION EXAM QUESTIONS
WITH CORRECT ANSWERS RATED A+
1QAccordingQtoQtheQrefrigerationQsafetyQclassificationQwhichQisQtheQsafestQrefrigeration?Q-
QCORRECTQANSWERS-A-1




2QWhenQtransportingQcylindersQcontainingQusuallyQfridgeQorQinQtheQDOTQrequiresQthatQyouQ-
QCORRECTQANSWERS-MustQattachQaQDOTQclassificationQtag




3QWhichQcompoundsQhaveQtheQhighestQOZoneQdepletionQpotentialQ-QCORRECTQANSWERS-CFC's



4QApprovedQrefrigerantQrecoveryQcylindersQcanQbeQidentifiedQbyQwhichQcolorQcodeQ-
QCORRECTQANSWERS-YellowQtopQgrayQbottom




5QUnderQEPAQregulationsQwhatQstandardQmustQreclaimedQrefrigerantQmeetQbeforeQitQcanQbeQresol
dQ-QCORRECTQANSWERS-ARIQ700



6QTheQstateQofQrefrigerantQenteringQtheQcompressorQofQaQrefrigerationQsystemQisQ-
QCORRECTQANSWERS-LowQpressureQvapor




7QWhatQprocessQapliesQtoQcleaningQrefrigerantQforQimmediateQreuseQbyQoilQseparationQandQmultip
leQpassesQthroughQfilterQdryersQtoQreduceQmoistureQandQacidityQ-QCORRECTQANSWERS-Recycling



8QWhatQisQtheQbestQmethodQforQdetectingQaQleakQinQaQsmallQareaQ-QCORRECTQANSWERS-
ElectronicQtesters



9QAQcompoundQpressureQgaugeQforQtheQlowQsideQmeasuresQpressureQinQ-QCORRECTQANSWERS-

, 10QWhenQfirstQtestingQaQhermeticQsystemQknownQtoQbeQleakingQyouQshouldQlookQforQ-
QCORRECTQANSWERS-




11QWhenQchargingQwithQnitrogenQ-QCORRECTQANSWERS-



12QRefrigerantQenteringQtheQTXQvalveQofQR22QheatQpumpQisQ-QCORRECTQANSWERS-



13QReplacementQofQwhatQcomponentsQisQconsideredQmajorQUnderQEPAQregulationsQ-
QCORRECTQANSWERS-




14QR12Q&QR22QcanQdecomposeQtoQformQ-QCORRECTQANSWERS-



15QAccordingQtoQASHRAEQstandardQ15QaQsensorQandQalarmQareQrequiredQforQA1QrefrigerantsQtoQse
nseQ-QCORRECTQANSWERS-



16QWhatQmethodQpresentlyQisQnotQfuseQforQcheckingQfillQlevelQinQaQrecoveryQtankQ-
QCORRECTQANSWERS-




17QDOTQregulationsQ49CFRQrequires__________QbeQonQshippingQpaperforQclassQ2.2QnonQflameQco
mpressedQgassesQ-QCORRECTQANSWERS-



18QwhichQisQnotQrecommendedQsafeQworkQpracticeQwhenQrecoveringQrefrigerantQ-
QCORRECTQANSWERS-




19QSystemQdependentQrecoveryQequipmentQcannotQbeQusedQwhenQ-QCORRECTQANSWERS-



20QreclaimingQourQrefrigerantQmeansQthatQitQisQ-QCORRECTQANSWERS-
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Institution
DC MASTER AIR CONDITIONING AND REFRIGERATION
Course
DC MASTER AIR CONDITIONING AND REFRIGERATION

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Uploaded on
January 17, 2026
Number of pages
5
Written in
2025/2026
Type
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  • air conditioning and refrigeration exam questions
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