HVAC CERTIFICATION PRACTICE TESTS
QUESTIONS WITH CORRECT ANSWERS 2025
PropaneBandBButaneBareB_______BthanBair:B-BCORRECTBANSWERB-Heavier
WhatBwillBbeBtheBresistanceBinBtheBcircuitBifBtheBsupplyBvoltageBisB30VBandBcurrentBflowingBthroughBtheBcir
cuitBisB5AB-BCORRECTBANSWERB-6Bohms
TemperatureBatBwhichBoilBstartsBtoBproduceBaBwaxyBsubstanceBthatBmayBinterfereBwithBtheBrefrigerationBsy
stemB-BCORRECTBANSWERB-FlocBpoint
WhatBmanifoldBgaugeBsetBisBusedBtoBcharge,Bevacuate,BaddBoilBandBrecoverBrefrigerantBfromBaBrefrigeratio
nBandBairBconditioningBsystem?B-BCORRECTBANSWERB-YellowBhose
WhereBisBtheBoilBseparatorBlocated?B-BCORRECTBANSWERB-DischargeBline
HigherBtheBambientBtemperatures,B____BwillBbeBtheBevacuationBtimeBofBtheBrefrigerantsBfromBtheBsystemB
-BCORRECTBANSWERB-Lesser
1BWattBisBequalBtoB-BCORRECTBANSWERB-3.41BBtu's
HeatBthatBisBabsorbedBorBextractedBwhenBaBsubstanceBchangesBitsBstateBisB-BCORRECTBANSWERB-
LatentBheat
WhereBisBtheBsightBglassBpresentBinBtheBrefrigerationBcycle?B-BCORRECTBANSWERB-LiquidBline
WhichBshallBnotBbeBusedBnearBflammableBmaterials?B-BCORRECTBANSWERB-HalideBleakBdetector
CurrentBinBaBclosedBcircuitBisBlimitedBby:B-BCORRECTBANSWERB-Resistance
WhenBthereBisBanBincreaseBinBtheBheatBloadBonBtheBevaporator,BtheBrefrigerantBwillBtendBtoBevaporateBatBaB
_____BrateB-BCORRECTBANSWERB-Faster
QUESTIONS WITH CORRECT ANSWERS 2025
PropaneBandBButaneBareB_______BthanBair:B-BCORRECTBANSWERB-Heavier
WhatBwillBbeBtheBresistanceBinBtheBcircuitBifBtheBsupplyBvoltageBisB30VBandBcurrentBflowingBthroughBtheBcir
cuitBisB5AB-BCORRECTBANSWERB-6Bohms
TemperatureBatBwhichBoilBstartsBtoBproduceBaBwaxyBsubstanceBthatBmayBinterfereBwithBtheBrefrigerationBsy
stemB-BCORRECTBANSWERB-FlocBpoint
WhatBmanifoldBgaugeBsetBisBusedBtoBcharge,Bevacuate,BaddBoilBandBrecoverBrefrigerantBfromBaBrefrigeratio
nBandBairBconditioningBsystem?B-BCORRECTBANSWERB-YellowBhose
WhereBisBtheBoilBseparatorBlocated?B-BCORRECTBANSWERB-DischargeBline
HigherBtheBambientBtemperatures,B____BwillBbeBtheBevacuationBtimeBofBtheBrefrigerantsBfromBtheBsystemB
-BCORRECTBANSWERB-Lesser
1BWattBisBequalBtoB-BCORRECTBANSWERB-3.41BBtu's
HeatBthatBisBabsorbedBorBextractedBwhenBaBsubstanceBchangesBitsBstateBisB-BCORRECTBANSWERB-
LatentBheat
WhereBisBtheBsightBglassBpresentBinBtheBrefrigerationBcycle?B-BCORRECTBANSWERB-LiquidBline
WhichBshallBnotBbeBusedBnearBflammableBmaterials?B-BCORRECTBANSWERB-HalideBleakBdetector
CurrentBinBaBclosedBcircuitBisBlimitedBby:B-BCORRECTBANSWERB-Resistance
WhenBthereBisBanBincreaseBinBtheBheatBloadBonBtheBevaporator,BtheBrefrigerantBwillBtendBtoBevaporateBatBaB
_____BrateB-BCORRECTBANSWERB-Faster