Elevator Mechanic Exam Review with
Correct Answers 2025
Awcontractorwwantswtowraisewthewcarwspeedwfromw100fpmwtow125fpm,witwcurrentlywhaswaw12"wsheave.wWh
atwsheavewiswrequired?w-wcorrectwanswer-
Diam=12"w12/4=3"w25fpm=3"w100fpmw+w25fpm=w12"+3"=w15"wsheave
AwMOVw(MetalwOxidewVaristor)wburnswout.wYouwreplacewit,wbutwcannotwreadwvoltageworwresistance.wWhatw
shouldwyouwdo?w-wcorrectwanswer-ReplacewitwwithwawlargerwMOV
OnwawWard-
Leonardwcircuitwthewbreakwiswset,wbutwthewmotorwiswtryingwtowslipwthroughwthewbreak.wWhatwiswthewissue?w
-wcorrectwanswer-SuicidewCircuit
YouwhavewanwoldwDCwmotorwandwarewaddingwanwSCRwdrive,wwhatwdowyouwdowtowthewinterpoles?w-
wcorrectwanswer-
Leavewthewinterpoleswalone.wWhenwaddingwawSCRwdrivewtowthewgenerator,wthewserieswloopwiswremoved,was
warewthew3wresistors.wEverythingwelsewremainswthewsame
Awhydrowrunswupwwithwnowload,wbutwwillwnotwrunwwithwawfullwload.wWhatwiswthewissue?w-wcorrectwanswer-
Thewreliefwvalvewiswsetwtoowlow
Runbywforwaw1:1whitswthewCWTwbufferw4"wbelowwthewtopwlanding.wCWTwrunbywshouldwbewsetwatw18".wHoww
muchwshouldwthewropeswbewshortened?w-wcorrectwanswer-22"
Youwneedwtowworkwonwawfreightwdoorwretiringwcam,wyouwLOTOwthewmainwlinewbutwtherewiswstillwpowerwonwt
hewcam.wWhatwcircuitwiswstillwhot?w-wcorrectwanswer-DoorwOperatorwDisconnect/wMainwLinewDisconnect
ThewcontractorwrequestswthatwthewverticalwcenterwofwawRackwandwPinionwhoistwbewmoved.wHowwdowyouwdo
wthis?w-wcorrectwanswer-AdjustwTiewDownswandwWallwTies
WorkingwpressurewonwawHydrowisw400psi.wWhatwiswthewmaximumwreliefwvalvewsetting?w-wcorrectwanswer-
400psiwxw150%=w600psi
,Whatwmustwbewinstalledwonwawfalsewcarwbeforewoperation?w-wcorrectwanswer-SpringwLoadedwSafeties.
Therewiswslightwarcingwbetweenwthewbrushwandwcommutator.wWhatwactionwmustwbewtaken?w-
wcorrectwanswer-None.w
Heavywarcing=Lightwbrushwpressure.wHeavywbushwpressure=mechanicalwwear
Ifwriggingwgearwiswropedw3:1wandwawBEAMwCLAMPwiswusedwtowliftwaw6,000lbwload.wWhatwiswthewbeamwcapac
ity?w-wcorrectwanswer-
18,000lbs.wBeamwcapacitywiswcutwinwhalfwwithwusewofwclamp,wwhenwriggingwallwblocks,wrope,wandwclampsw
willwbewEqualwtowthewlowestwloadwrating
Howwmuchwresistancewiswmeasuredwoverwawnormallywclosedwswitch?w-wcorrectwanswer-
1.2ohms.wshouldwbewzero,wbutwwillwneverwbewthatwlow
Awcarwtravelingwinwthewhoistwaywalwayswstopswatwthewsamewspotwandwblowswawfuse.wWhatwcauseswthis?w-
wcorrectwanswer-Travelingwcablewhaswawcut/exposedwwireworwawshort
Howwiswawclassw1wyearlywbufferwtestwpreformed?w-wcorrectwanswer-
Carwatwbottomwlandingwandwonwinspection,wjumpwoutwdirectionwandwfinalwlimits.wWithwpitwclear,wrunwdown
wtowcompresswbuffers,wbufferswshouldwfullywextendwwithinw90wseconds.w
5yr:wFullwloadwFullwspeedw
CWT:wFullwspeedwEmpty
Howwmanywstrainwsupportswarewrequiredwonwaw350ftwraceway?w-wcorrectwanswer-4.w1weveryw100ft
Howwiswstainlesswsteelwdrilledwout?w-wcorrectwanswer-Slowwspeedwandwconstantwpressure
Whatwiswthewrequiredwamountwofwretainerwclipswforwwedgewshackleswandwwhatwiswthewspacing?w-
wcorrectwanswer-Minimumw2wclips.w1stwatwawmaximumw4xwthewdiameterwofwthewropew
2ndwatwawmaximumw8xwthewdiameterwabovewthew1stwclip
, Aw300ohmwresistorwburnswout,wbutwyouwdon'twhavewanotherwone.wHowwcanwyouwmakewone?w-
wcorrectwanswer-
2w600ohmwresistorswinwparallelwisw300ohms.wResistancewiswhalfwofwhighestwresistorwinwparallelwcircuit.w
3w225ohmwresistorswinwparallelwisw75ohms.
Whenwcuttingwlaminatedwpanels,wwhichwdirectionwshouldwthewfinishwsidewface?w-wcorrectwanswer-
Finishwsidewfacingwthewcuttingwedgewofwthewtool.wBladewwillwburrwthewbackside
Howwdowyouwcutwawfinishedwfloor?w-wcorrectwanswer-Cuttingwbladewawaywfromwfinishedwside
Aw480vacwstepdownw240vacwtransformerwiswconnectedwtowaw3wphasewrectifier,wwhatwiswthewoutputwvoltag
e?w-wcorrectwanswer-320vacw
3wphasewfullwwavew=w1.33xwoutputwvoltage
Awcarwiswloadedwwithw125%wandwsinks,wwhy?w-wcorrectwanswer-Slippingwthroughwthewbreak
Ifwyouwfindwawbrokenworwmissingwbarricadewwhatwshouldwyouwdo?w-wcorrectwanswer-
Writewupwawformalwinspectionwrequest
WhatwarewthewconsequenceswofwmisalignedwjointswonwawRackwandwPinion?w-wcorrectwanswer-
BrokenwGearwteeth.wCWTwderailment.wExcessivewwear/wcreasewthewsurfacewofwthewtube
Awdumbwaiterwisw9sqftwinwarea,w4ftwhigh,wandwcapacitywisw13.9lb/ft3.wWhatwiswtotalwcapacity?w-
wcorrectwanswer-9wxw4wxw13.9=w500lbswMaxwcapacity
Youwmustwenterwawpitwwithwawtoxicwatmosphere,whowwdowyouwproceed?w-wcorrectwanswer-
FollowingwproperwOSHAwprocedurewwithwproperwtrainingwandwPPE
Whenwchangingwaw1:1wcarwratedwatw600fpmwandw2,000lbwcapacitywtowaw2:1,wwhatwarewthewnewwratings?w-
wcorrectwanswer-300fpmw4,000lbswcapacityw
Halfwthewspeed,wDoublewthewcapacity
Correct Answers 2025
Awcontractorwwantswtowraisewthewcarwspeedwfromw100fpmwtow125fpm,witwcurrentlywhaswaw12"wsheave.wWh
atwsheavewiswrequired?w-wcorrectwanswer-
Diam=12"w12/4=3"w25fpm=3"w100fpmw+w25fpm=w12"+3"=w15"wsheave
AwMOVw(MetalwOxidewVaristor)wburnswout.wYouwreplacewit,wbutwcannotwreadwvoltageworwresistance.wWhatw
shouldwyouwdo?w-wcorrectwanswer-ReplacewitwwithwawlargerwMOV
OnwawWard-
Leonardwcircuitwthewbreakwiswset,wbutwthewmotorwiswtryingwtowslipwthroughwthewbreak.wWhatwiswthewissue?w
-wcorrectwanswer-SuicidewCircuit
YouwhavewanwoldwDCwmotorwandwarewaddingwanwSCRwdrive,wwhatwdowyouwdowtowthewinterpoles?w-
wcorrectwanswer-
Leavewthewinterpoleswalone.wWhenwaddingwawSCRwdrivewtowthewgenerator,wthewserieswloopwiswremoved,was
warewthew3wresistors.wEverythingwelsewremainswthewsame
Awhydrowrunswupwwithwnowload,wbutwwillwnotwrunwwithwawfullwload.wWhatwiswthewissue?w-wcorrectwanswer-
Thewreliefwvalvewiswsetwtoowlow
Runbywforwaw1:1whitswthewCWTwbufferw4"wbelowwthewtopwlanding.wCWTwrunbywshouldwbewsetwatw18".wHoww
muchwshouldwthewropeswbewshortened?w-wcorrectwanswer-22"
Youwneedwtowworkwonwawfreightwdoorwretiringwcam,wyouwLOTOwthewmainwlinewbutwtherewiswstillwpowerwonwt
hewcam.wWhatwcircuitwiswstillwhot?w-wcorrectwanswer-DoorwOperatorwDisconnect/wMainwLinewDisconnect
ThewcontractorwrequestswthatwthewverticalwcenterwofwawRackwandwPinionwhoistwbewmoved.wHowwdowyouwdo
wthis?w-wcorrectwanswer-AdjustwTiewDownswandwWallwTies
WorkingwpressurewonwawHydrowisw400psi.wWhatwiswthewmaximumwreliefwvalvewsetting?w-wcorrectwanswer-
400psiwxw150%=w600psi
,Whatwmustwbewinstalledwonwawfalsewcarwbeforewoperation?w-wcorrectwanswer-SpringwLoadedwSafeties.
Therewiswslightwarcingwbetweenwthewbrushwandwcommutator.wWhatwactionwmustwbewtaken?w-
wcorrectwanswer-None.w
Heavywarcing=Lightwbrushwpressure.wHeavywbushwpressure=mechanicalwwear
Ifwriggingwgearwiswropedw3:1wandwawBEAMwCLAMPwiswusedwtowliftwaw6,000lbwload.wWhatwiswthewbeamwcapac
ity?w-wcorrectwanswer-
18,000lbs.wBeamwcapacitywiswcutwinwhalfwwithwusewofwclamp,wwhenwriggingwallwblocks,wrope,wandwclampsw
willwbewEqualwtowthewlowestwloadwrating
Howwmuchwresistancewiswmeasuredwoverwawnormallywclosedwswitch?w-wcorrectwanswer-
1.2ohms.wshouldwbewzero,wbutwwillwneverwbewthatwlow
Awcarwtravelingwinwthewhoistwaywalwayswstopswatwthewsamewspotwandwblowswawfuse.wWhatwcauseswthis?w-
wcorrectwanswer-Travelingwcablewhaswawcut/exposedwwireworwawshort
Howwiswawclassw1wyearlywbufferwtestwpreformed?w-wcorrectwanswer-
Carwatwbottomwlandingwandwonwinspection,wjumpwoutwdirectionwandwfinalwlimits.wWithwpitwclear,wrunwdown
wtowcompresswbuffers,wbufferswshouldwfullywextendwwithinw90wseconds.w
5yr:wFullwloadwFullwspeedw
CWT:wFullwspeedwEmpty
Howwmanywstrainwsupportswarewrequiredwonwaw350ftwraceway?w-wcorrectwanswer-4.w1weveryw100ft
Howwiswstainlesswsteelwdrilledwout?w-wcorrectwanswer-Slowwspeedwandwconstantwpressure
Whatwiswthewrequiredwamountwofwretainerwclipswforwwedgewshackleswandwwhatwiswthewspacing?w-
wcorrectwanswer-Minimumw2wclips.w1stwatwawmaximumw4xwthewdiameterwofwthewropew
2ndwatwawmaximumw8xwthewdiameterwabovewthew1stwclip
, Aw300ohmwresistorwburnswout,wbutwyouwdon'twhavewanotherwone.wHowwcanwyouwmakewone?w-
wcorrectwanswer-
2w600ohmwresistorswinwparallelwisw300ohms.wResistancewiswhalfwofwhighestwresistorwinwparallelwcircuit.w
3w225ohmwresistorswinwparallelwisw75ohms.
Whenwcuttingwlaminatedwpanels,wwhichwdirectionwshouldwthewfinishwsidewface?w-wcorrectwanswer-
Finishwsidewfacingwthewcuttingwedgewofwthewtool.wBladewwillwburrwthewbackside
Howwdowyouwcutwawfinishedwfloor?w-wcorrectwanswer-Cuttingwbladewawaywfromwfinishedwside
Aw480vacwstepdownw240vacwtransformerwiswconnectedwtowaw3wphasewrectifier,wwhatwiswthewoutputwvoltag
e?w-wcorrectwanswer-320vacw
3wphasewfullwwavew=w1.33xwoutputwvoltage
Awcarwiswloadedwwithw125%wandwsinks,wwhy?w-wcorrectwanswer-Slippingwthroughwthewbreak
Ifwyouwfindwawbrokenworwmissingwbarricadewwhatwshouldwyouwdo?w-wcorrectwanswer-
Writewupwawformalwinspectionwrequest
WhatwarewthewconsequenceswofwmisalignedwjointswonwawRackwandwPinion?w-wcorrectwanswer-
BrokenwGearwteeth.wCWTwderailment.wExcessivewwear/wcreasewthewsurfacewofwthewtube
Awdumbwaiterwisw9sqftwinwarea,w4ftwhigh,wandwcapacitywisw13.9lb/ft3.wWhatwiswtotalwcapacity?w-
wcorrectwanswer-9wxw4wxw13.9=w500lbswMaxwcapacity
Youwmustwenterwawpitwwithwawtoxicwatmosphere,whowwdowyouwproceed?w-wcorrectwanswer-
FollowingwproperwOSHAwprocedurewwithwproperwtrainingwandwPPE
Whenwchangingwaw1:1wcarwratedwatw600fpmwandw2,000lbwcapacitywtowaw2:1,wwhatwarewthewnewwratings?w-
wcorrectwanswer-300fpmw4,000lbswcapacityw
Halfwthewspeed,wDoublewthewcapacity
