Elevator Mechanic Exam Prep Questions
with Correct Answers 2025
KnowDtheDformulaDforDRPMD-DCORRECTDANSWERD-RPMD=D60D∙DƒD÷DP÷2D=
StepD1.D60DxDFrequencyD(Hz.)D=D
StepD2.DPolesD÷D2D=
TakeDanswerD1DandD÷DbyDanswerD2D=
YouDareDusingDaDTempDRunDBoxDandDyouDgetDshocked!DWhy!
520DPg.D4D-DCORRECTDANSWERD-BadDGround
Scaffolding,DYouDhaveD32'DofDrise,DyouDareDusingD3x5Dscaffolding.DWhereDwillDtheDtieDoffDpointsDbeD?
140DPG.D287-288D-DCORRECTDANSWERD-ScaffoldingDshouldDbeDtiedDtoDtheDstructureDusing
#9DwireDorDtie-inDdevices.DTheDfirstDverticalDtie
shouldDbeDatDtheDmaximumDheightDofD4DtimesDthe
narrowestDbaseDdimension.DAdditionalDtiesDareDnot
toDexceedD26'Dvertically.DMaximumDhorizontal
distanceDbetweenDtiesDisDnotDtoDexceedD30'.
HowDmuchDshouldDCounterweightDway?
240DPg.D14D-DCORRECTDANSWERD-
CounterweightsD(Typically)DareDhungDtoDcounterDbalanceDtheDweightDofDtheDcarDPLUSD40%DofDCapacityDLoa
d.
PullingDSpareDWiresD(Example)D10%DofD52DWires
,515DPg.26D-DCORRECTDANSWERD-
Note:DWeDdoDnotDuseDwireDsmallerDthanD#20DinDtravellingDcablesDandD#24DoutsideDtravelers.
LargestDwiresDareDfeedersDtoDHoistD/PumpDmotor
WeDalwaysDhaveD10D%Dspares
10%DofD52D=D5.2
OnDaDcalculatorDMultiplyDtheDpercentD10DbyDtheDnumberDyouDhaveDandD÷DbyD100
10DXD52D÷D100D=D5.2
TheDfreightDdoorDmotorDisDspinningDbutDtheDdoorDwontDmove,DWhy?
535DPg.D9D-DCORRECTDANSWERD-TheDcorrectDlubeDmustDbeDusedDonDchains.
ReadDLulaDandDDumbDwaiters
545DPgD1D-DCORRECTDANSWERD-Lula:DLimitedDuse/LimitedDAccessD(ExampleDWheelchairDLifts)
MaxDRiseD25'
MaxDSpeedD30DFt/Min
MaxDCapacityD1400DLbs.
MaxDPlatformDAreaD18DSq/Ft.
ResidentialDElevator:
MaxDRiseD50D'
MaxDSpeedD40DFt/min
MaxDCapacityD940DLbs.
MaxDPlatformDAreaD19DSq/FtD
840DPgD2
Dumbwaiters:
PlatformDlimitedDtoD9DSq/Ft
InsideDheightDisDlimitedDtoDnoDmoreDthanD4DFeet
CapacityDisDlimitedDtoD500Lbs
, NoDRiders
IfDyouDgetDonDtopDofDDumbwaiterDwhatDmustDbeDdone?
545DPgD14D-DCORRECTDANSWERD-
YouDneverDgetDonDtopDandDyouDworkDonlyDpartiallyDinDwithDtheDmainDlineDOFF
PIDFormulaDandDGallonsD(Example)DHowDmuchDoilDtoDmoveDaD6"DjackD25'
815DPgD10D-DCORRECTDANSWERD-Notes:(Pi)DπDisD3.1416DandD231DCubicDinchesDtoDtheDGallon
Area:
RememberDtoD÷D6"D÷D2D=D3DtoDgetDRadius
AreaD=Dπ∙Dr²
AreaD=D3.1416DxD3DxD3D=D28.27DinchesDorD3.146DxD9D=D28.27
Volume
MultipleDareDtimesDheightDtoDsolveDforDVolume
VD=DA∙H
VD=D28.27DxD300D(25"DfeetDxD12"D=D300)
VD=D8481DCubicDInches
SinceDweDalreadyDknowDthereDareD231DcubicDinchesDtoDtheDgallonD
8481D÷D231D=D36.71DGallons
ReliefDvalveDworkingDpressureD-DCORRECTDANSWERD-ReliefDValveDisDsetDatD150%DworkingDpressure
SCRDExample:
with Correct Answers 2025
KnowDtheDformulaDforDRPMD-DCORRECTDANSWERD-RPMD=D60D∙DƒD÷DP÷2D=
StepD1.D60DxDFrequencyD(Hz.)D=D
StepD2.DPolesD÷D2D=
TakeDanswerD1DandD÷DbyDanswerD2D=
YouDareDusingDaDTempDRunDBoxDandDyouDgetDshocked!DWhy!
520DPg.D4D-DCORRECTDANSWERD-BadDGround
Scaffolding,DYouDhaveD32'DofDrise,DyouDareDusingD3x5Dscaffolding.DWhereDwillDtheDtieDoffDpointsDbeD?
140DPG.D287-288D-DCORRECTDANSWERD-ScaffoldingDshouldDbeDtiedDtoDtheDstructureDusing
#9DwireDorDtie-inDdevices.DTheDfirstDverticalDtie
shouldDbeDatDtheDmaximumDheightDofD4DtimesDthe
narrowestDbaseDdimension.DAdditionalDtiesDareDnot
toDexceedD26'Dvertically.DMaximumDhorizontal
distanceDbetweenDtiesDisDnotDtoDexceedD30'.
HowDmuchDshouldDCounterweightDway?
240DPg.D14D-DCORRECTDANSWERD-
CounterweightsD(Typically)DareDhungDtoDcounterDbalanceDtheDweightDofDtheDcarDPLUSD40%DofDCapacityDLoa
d.
PullingDSpareDWiresD(Example)D10%DofD52DWires
,515DPg.26D-DCORRECTDANSWERD-
Note:DWeDdoDnotDuseDwireDsmallerDthanD#20DinDtravellingDcablesDandD#24DoutsideDtravelers.
LargestDwiresDareDfeedersDtoDHoistD/PumpDmotor
WeDalwaysDhaveD10D%Dspares
10%DofD52D=D5.2
OnDaDcalculatorDMultiplyDtheDpercentD10DbyDtheDnumberDyouDhaveDandD÷DbyD100
10DXD52D÷D100D=D5.2
TheDfreightDdoorDmotorDisDspinningDbutDtheDdoorDwontDmove,DWhy?
535DPg.D9D-DCORRECTDANSWERD-TheDcorrectDlubeDmustDbeDusedDonDchains.
ReadDLulaDandDDumbDwaiters
545DPgD1D-DCORRECTDANSWERD-Lula:DLimitedDuse/LimitedDAccessD(ExampleDWheelchairDLifts)
MaxDRiseD25'
MaxDSpeedD30DFt/Min
MaxDCapacityD1400DLbs.
MaxDPlatformDAreaD18DSq/Ft.
ResidentialDElevator:
MaxDRiseD50D'
MaxDSpeedD40DFt/min
MaxDCapacityD940DLbs.
MaxDPlatformDAreaD19DSq/FtD
840DPgD2
Dumbwaiters:
PlatformDlimitedDtoD9DSq/Ft
InsideDheightDisDlimitedDtoDnoDmoreDthanD4DFeet
CapacityDisDlimitedDtoD500Lbs
, NoDRiders
IfDyouDgetDonDtopDofDDumbwaiterDwhatDmustDbeDdone?
545DPgD14D-DCORRECTDANSWERD-
YouDneverDgetDonDtopDandDyouDworkDonlyDpartiallyDinDwithDtheDmainDlineDOFF
PIDFormulaDandDGallonsD(Example)DHowDmuchDoilDtoDmoveDaD6"DjackD25'
815DPgD10D-DCORRECTDANSWERD-Notes:(Pi)DπDisD3.1416DandD231DCubicDinchesDtoDtheDGallon
Area:
RememberDtoD÷D6"D÷D2D=D3DtoDgetDRadius
AreaD=Dπ∙Dr²
AreaD=D3.1416DxD3DxD3D=D28.27DinchesDorD3.146DxD9D=D28.27
Volume
MultipleDareDtimesDheightDtoDsolveDforDVolume
VD=DA∙H
VD=D28.27DxD300D(25"DfeetDxD12"D=D300)
VD=D8481DCubicDInches
SinceDweDalreadyDknowDthereDareD231DcubicDinchesDtoDtheDgallonD
8481D÷D231D=D36.71DGallons
ReliefDvalveDworkingDpressureD-DCORRECTDANSWERD-ReliefDValveDisDsetDatD150%DworkingDpressure
SCRDExample:
