Air Conditioning Final Exam STUDY QUESTIONS WITH ANSWERS RATED PASS A+.

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Air Conditioning Final Exam STUDY QUESTIONS WITH ANSWERS RATED PASS A+.

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7 pages

2025/2026

Institution DC MASTER AIR CONDITIONING AND REFRIGERATION

Course DC MASTER AIR CONDITIONING AND REFRIGERATION

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Air Conditioning Final Exam STUDY QUESTIONS WITH ANSWERS RATED PASS A+.

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AIR CONDITIONING FINAL EXAM
STUDY QUESTIONS WITH ANSWERS
RATED PASS A+
AIcustomerIcallsIwithIanIinsufficientIcoolingIcompliant.IuponIarrivalItoItheIserviceIcallIitIisIfoundIthatI
theIoutdoorIcondensingIunitIisIoperating,IbutItheIindoorIblowerImotorIisInotIinIoperation.

TechnicianIAIsaysIthatIitIisIpossibleIthatIitIisIbadIfuseItoItheIfurnace

TechnicianIBIsaysItheIcontrolItransformerIcouldIalsoIbeIatIfault

WhoIisIcorrect?I-ICORRECTIANSWERS-NeitherIisIcorrect

WhatIisIcommonlyIusedItoImeasureIaIdeepIvacuum?I-ICORRECTIANSWERS-aImicronIgauge

TheIsystemIusedItoImeasureItheIefficiencyIofIaIsplitIsystemIairIconditionerIis...I-ICORRECTIANSWERS-
SEERI-ISeasonalIEnergyIEfficiencyIRatio

ToImeasureIsubcooling....I-ICORRECTIANSWERS-
subtractItheIliquidIlineItemperatureIfromItheIhighIsideIcondensingItemperature

WhenImustIaIsystemIbeIevacuated?I-ICORRECTIANSWERS-
whenItheIsystemIhasIbeenIopenedItoItheIatmosphere

WhatIisItheIpurposeIforIinsulatingIaIsuctionIline?I-ICORRECTIANSWERS-
ToIpreventIcondensationIfromIforming

AfterIaIcompressorImotorIisIseverallyIburnt,IwhatIaccessoryImustIbeIaddedIasIanIaidItoIridItheIairIcon
ditioningIsystemIofIacid?I-ICORRECTIANSWERS-anIacidIcoreIsuctionIlineIdryer

, AIroomIthermostatIshouldIbeImounted...I-ICORRECTIANSWERS-NearIaIreturnIairIgrill

WhenIaIsystemIincorporatesIaIthree-wayIserviceIvalve?I-ICORRECTIANSWERS-
ItImustIbeIinImidIpositionIduringIevacuation

WhenIchargingIaIsystemIusingItheIsubIcoolImethod,IwhatItypeIofImeteringIdeviceImustIbeIusedIinIth
eIsystem?I-ICORRECTIANSWERS-aITXV

InIaIsealedIsystem,IasItheIpressureIincreases...I-ICORRECTIANSWERS-theItemperatureIincreases

WhatIdoesItheI"G"IterminalIusedIforIonIaIthermostat?I-ICORRECTIANSWERS-callIforIfanIon

WhereIisIsolidI18IgaugeIwireIisItypicallyIusedIwhere?I-ICORRECTIANSWERS-
TheIthermostatIcontrolIwire

WhatIisItheI"W"IterminalIusedIforIonIaIthermostat?I-ICORRECTIANSWERS-callIforIheat

HowIwillIanIoverchargeIaffectIaIcapillaryItubeIsystem?I-ICORRECTIANSWERS-
ItIwillIhaveIaIdecreaseIofIsuperheat

ThyImustItheIoilIofIaIvacuumIpumpIbeIreplaced?I-ICORRECTIANSWERS-
TheIoilIbecomesIfullIofImoistureIandIacids,IwhichIwillIdecreaseItheIcapabilityIofItheIvacuumIpump

WhatIisItheI"Y"IterminalIusedIforIonIaIthermostat?I-ICORRECTIANSWERS-callIforIcooling

WhatIisItheIvoltageIofItheIcontrolIwiringIfromItheIairIhandler/furnaceItoItheIcontractorIoutsideIandIf
romItheIairIhandler/furnaceItoItheIthermostat?I-ICORRECTIANSWERS-24Ivolts

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Uploaded on: January 17, 2026
Number of pages: 7
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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