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HVAC Excellence Exam Study Guide -2 Questions and Answers

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HVAC Excellence Exam Study Guide -2 Questions and Answers

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HVAC Excellence - ELECTRICITY

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HVAC Excellence - ELECTRICITY

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Institution: HVAC Excellence - ELECTRICITY
Course: HVAC Excellence - ELECTRICITY

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Uploaded on: May 9, 2025
Number of pages: 4
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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hvac excellence exam study guide 2 questions and

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HVAC Excellence Exam Study Guide #2
Questions and Answers
CurrentAflowAisA-ACORRECTAANSWERSA-TheAflowAofAelectronsAinAaAcircuit
ImpedanceAisA-ACORRECTAANSWERSA-OppositionAtoAalternatingAcurrentAflow
LikeAchargesA-ACORRECTAANSWERSA-RepelAeachAother
AnyAmaterialAthatAwillAreadilyAreleaseAelectorsAisAcalledA-ACORRECTAANSWERSA-
AAconductor
TheAsymbolAforAcurrentAisA-ACORRECTAANSWERSA-I
WhichAofAtheAfollowingAmaterialsAwouldAbeAbestAsuitedAforAuseAasAaAsemi-conductor?A-
ACORRECTAANSWERSA-Silicon

TheAsafeAgroundAconductorAisAusuallyAcolorAcodedA-ACORRECTAANSWERSA-
GreenAorAbare
AnAelectronAhasA-ACORRECTAANSWERSA-AAnegativeAcharge
ResistanceAisA-ACORRECTAANSWERSA-OppositionAtoAcurrentAflow
HowAmanyAwattsAofApowerAareAusedAbyAaAheaterAoperatingAatA240AvoltAandAdrawingA5Aam
ps?A-ACORRECTAANSWERSA-1200Awatts
WhichAofAtheAfollowingAmetersAmustAuseAitsAinternalApowerAtoAcheckAaAloadAorAaAcircuitA-
ACORRECTAANSWERSA-Ohmmeter

InAelectricalAwiring,AaAblackAcoloredAwireAinAanAalternatingAcurrentAcircuitAusuallyAIndicatesA
-ACORRECTAANSWERSA-AAhotAconductor
FusesAareAsizedAbyA-ACORRECTAANSWERSA-VoltsAandAamps
WhatAwouldAbeAtheAresult,AifAaA24Avolt,A20-
ohmAlowAvoltageAcontractorAcoilAwereAwiredAinAseriesAwithAaA24Avolt,A200-
ohmAcontrolArelayAcoil?A-ACORRECTAANSWERSA-OnlyAtheAcontrolArelayAwouldAoperate
ThreeAdefrostAheaters,AeachA15AohmsAareAwiredAinAparallelAtoAaA120AvoltApowerAsupply.AH
owAmanyAwattsAofApowerAwillAbeAused?A-ACORRECTAANSWERSA-2880Awatts
WhichAofAtheAfollowingAisAgenerallyAconsideredAtoAbeAwithinAtheAmaximumAallowableA(plus
AorAminus)AsupplyAvoltageAvariation?A-ACORRECTAANSWERSA-5%

CapacitorsAareAratedAinA-ACORRECTAANSWERSA-MicrofaradsAandAvolts
WhenAtestingAaAcapacitorAwithAanAanalogAorAdigitalAohmmeter,AtheAmeterAshould;A-
ACORRECTAANSWERSA-MeasureAlowAresistanceAthenAreturnAtoAaAhighAreading

WhatAisAtheAtermAusedAtoAdescribeAtheAoutputAsideAofAaAtransformer?A-
ACORRECTAANSWERSA-SecondaryAside

OneAhorsepowerAisAequalAtoA_______AwattsA-ACORRECTAANSWERSA-746
HowAmuchAresistanceAmustAbeAplacedAinAaA120AvoltAcircuitAinAorderAtoAlimitAtheAcurrentAtoA
2Aamps?A-ACORRECTAANSWERSA-60Aohms
AAparallelAcircuitAcontainsAaA18AohmAandA9AohmAresistor.ATheAtotalAresistanceAequals;A-
ACORRECTAANSWERSA-6Aohms

InAaAseriesAcircuit,AtheAvoltageAdropAacrossAeachAresistanceA(load)Awill;A-
ACORRECTAANSWERSA-AddAupAtoAequalAtheAsourceAvoltage

TheAtotalAresistanceAofAaAparallelAcircuitAwillAbe;A-ACORRECTAANSWERSA-
LessAthanAtheAsmallestAresistance

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HVAC Excellence Exam Study Guide -2 Questions and Answers

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