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Electrical Refrigeration & air conditioning Technology test EXAM QUESTIONS WITH CORRECT ANSWERS.pdf

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Course DC MASTER AIR CONDITIONING AND REFRIGERATION
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Electrical Refrigeration & air conditioning Technology test EXAM QUESTIONS WITH CORRECT ANSWERS.pdf

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ELECTRICAL REFRIGERATION & AIR
CONDITIONING TECHNOLOGY TEST
EXAM QUESTIONS WITH CORRECT
ANSWERS
TheAunitAofAmesureAforAtheAelectricalApressureAforcingAelectricalAenergyAthroughAaAconductorAisAth
e.[________]A-ACORRECTAANSWERS-Volt



IfAaAconductorAcarryingAelectricalAcurrentAisAformedAintoAaAcoil,AtheAstrengthAofAtheAmagneticAfield
AgeneratedAbyAtheAwireAwillAincrease.A-ACORRECTAANSWERS-True




IfAthereAwasAaAcurrentAflowAofA6AAAinAaA120-VAcircuit,AtheAresistanceAofAtheAcircuitAwouldAbeA-
ACORRECTAANSWERS-20Aohms




OneAkilowattAofAelectricalAenergyAisAequalAtoA1,000,000Awatts.A-ACORRECTAANSWERS-False



InAaAcircuitAwithAtwoAorAmoreAresistancesAinAparallel,AtheAtotalAresistanceAinAtheAcircuitAisAtheAsumA
ofAtheAresistancesAinAtheAcircuit.A-ACORRECTAANSWERS-False



TheAampereAisA-ACORRECTAANSWERS-
aAmeasureAofAtheAquantityAofAelectronsAflowingApastAaApointAinAtheAelectricalAcircuitAinAaAgivenAtim
e



TheAmainApurposeAofAaArectifierAisAtoAconvertAdirectAcurrentA(DC)AtoAalternatingAcurrentA(AC).A-
ACORRECTAANSWERS-False




AnAelementAinAanAelectricAheatingAunitAisAconnectedAtoAaA232-
VApowerAsupply.ATheAcurrentAflowAthroughAtheAelementAisA19AA.AWhatAisAtheAresistanceAofAtheAele
ment?A-ACORRECTAANSWERS-12Aohms

, AAheatAsinkAisAaAdeviceAtoAimproveAtheApurityAofAtheAelectronsAinAanAelectricalAcircuit.A-
ACORRECTAANSWERS-False




AsAtheAdiameterAofAaAwireAincreases,AitsAresistanceAwillAalsoAincrease.A-ACORRECTAANSWERS-True



AAcontrolAcanAbeAwhichAofAtheAfollowing?A-ACORRECTAANSWERS-
AllAofAtheAaboveA(electrical,AmechanicalAandAelectricalA&Amechanical)



WhenAconditionsAareAcorrect,AtheArheostatAwillApassApowerAthroughAtheAdeviceAontoAtheAsystemAc
omponentsAtoAbeAcontrolled.A-ACORRECTAANSWERS-False



AnAelectricalAdiagramAshowingAtheAapproximateAlocationAofAtheAcomponentsAisAcalledAa(n)A-
ACORRECTAANSWERS-AApictorialAdiagram




TheAcontinuityAthroughAaAheatArelayAisAcheckedAusingAa(n)A-ACORRECTAANSWERS-Ohmmeter



AA120-V/24-
VAcontrolAtransformerAhasAaAVAAratingAofA20.ATheAmaximumAamperageAtheAtransformerAwillAputAo
utAisA0.8Aamps.A-ACORRECTAANSWERS-True



WhileAcheckingAaAsimpleAseriesA115-
VAcircuitAcontainingAaAfuse,AaAswitch,AandAaAlightAbulb,AtheAtechnician'sAvoltmeterAreadsA115AvoltsA
acrossAtheAlightAbulbAsocket.ATheAlightAbulbAisAnotAon.AHeAcorrectlyAconcludesAthatAtheA[Blank]AisAd
efective.A-ACORRECTAANSWERS-Bulb



WithoutA[blank]Avoltage,AthereAisAnoAlowAvoltage.A-ACORRECTAANSWERS-High



AA10-wrapAamperageAmultiplierAisAusedAwithAa(n).A-ACORRECTAANSWERS-Clamp-onAammeter

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