2025 HVAC EXAM QUESTIONS WITH
VERIFIED ANSWERS
WhatBareBtheB4BmodesBforBheatBtransferBandBexample?B-BCORRECTBANSWERB-1)Bradiation:Bradiator
2)Bconduction:BheatedBfloor,BpotBonBstove
3)Bconvection:BforcedBairBsystem
4)Bevaporation:BACBrunningBatBhouseBandBcomeBinBfromBtheBbeachBsweatingB(idkBwhatBthatBmeansB)
WhatBareBdifferentBtypesBofBheatingBsystems?B-BCORRECTBANSWERB-(radiant)
pros:BeasyBtoBzone,BminBdistributionBloss,BlackBofBconvectedBheatBloss
cons:BnoBductBworkB(needBforBACBsystem),BrecoversBslowly
prosBandBconsBofBtheBdifferentBheatingBsystems?B-BCORRECTBANSWERB-
WhatBisBtheBmainBdifferenceBbetweenBfurnaceBandBaBboiler?B-BCORRECTBANSWERB-furnaceBheatsBair
boilerBheatsBwater
WhyBwouldBaBhydronicBsystemBpotentiallyBbeBmoreBefficientBthanBaBforcedBairBdistributionBsystem?B-
BCORRECTBANSWERB-
WhatBareBtheBefficiencyBratingsBforBdifferentBtypesBofBheatingBandBcoolingBsystems?B-BCORRECTBANSWERB-
-BACBratedBbyBSEERBorBEERB(minBSEERBisB13:BBTUBremovedBoutBofBtheBair)
-BelectricBresistanceBheat:BCOP1B=B3.4BBTU/watt
-BheatingBsideBofBheatBpump:BHSPFB(heatingBseasonalBperformanceBfactor)BHSPFB=B6.8
-BcombustionBappliance:BAFUEB(annualBfuelB=B80%-96%BminBefficiency
WhatBdoBtheBratingsBforBtheBheatingBandBcoolingBsystemsBrefer?B-BCORRECTBANSWERB-
VERIFIED ANSWERS
WhatBareBtheB4BmodesBforBheatBtransferBandBexample?B-BCORRECTBANSWERB-1)Bradiation:Bradiator
2)Bconduction:BheatedBfloor,BpotBonBstove
3)Bconvection:BforcedBairBsystem
4)Bevaporation:BACBrunningBatBhouseBandBcomeBinBfromBtheBbeachBsweatingB(idkBwhatBthatBmeansB)
WhatBareBdifferentBtypesBofBheatingBsystems?B-BCORRECTBANSWERB-(radiant)
pros:BeasyBtoBzone,BminBdistributionBloss,BlackBofBconvectedBheatBloss
cons:BnoBductBworkB(needBforBACBsystem),BrecoversBslowly
prosBandBconsBofBtheBdifferentBheatingBsystems?B-BCORRECTBANSWERB-
WhatBisBtheBmainBdifferenceBbetweenBfurnaceBandBaBboiler?B-BCORRECTBANSWERB-furnaceBheatsBair
boilerBheatsBwater
WhyBwouldBaBhydronicBsystemBpotentiallyBbeBmoreBefficientBthanBaBforcedBairBdistributionBsystem?B-
BCORRECTBANSWERB-
WhatBareBtheBefficiencyBratingsBforBdifferentBtypesBofBheatingBandBcoolingBsystems?B-BCORRECTBANSWERB-
-BACBratedBbyBSEERBorBEERB(minBSEERBisB13:BBTUBremovedBoutBofBtheBair)
-BelectricBresistanceBheat:BCOP1B=B3.4BBTU/watt
-BheatingBsideBofBheatBpump:BHSPFB(heatingBseasonalBperformanceBfactor)BHSPFB=B6.8
-BcombustionBappliance:BAFUEB(annualBfuelB=B80%-96%BminBefficiency
WhatBdoBtheBratingsBforBtheBheatingBandBcoolingBsystemsBrefer?B-BCORRECTBANSWERB-