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Mechanics Exam 2024 with complete solutions.
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Mechanics Exam 2024 with complete solutions.
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Mechanics Exam 2024 with completesolutions
** nnAn nnMOV nnburns nnout, nnyou nnreplace nnit nnbut nncannot nnread nnvoltage nnor nnresistance. nnWhat nnshould
nnyou nndo? nn- nncorrect nnanswer-Replace nnit nnwith nna nnlarger nnone nn(630)
* nnOn nna nnWard-Leonard nncircuit, nnthe nnbrake nnis nnset nnbut nnthe nnmotor nnis nntrying nnto nnslip nnthrough nnthe
nnbrake. nnWhat nncircuit nnis nnthe nnissue? nn- nncorrect nnanswer-Suicide nncircuit nn(425)
** nnA nnHydro nnruns nnup nnwith nnno nnload nnbut nndoes nnnot nnrun nnup nnwith nna nnfull nnload. nnWhat nnis nnthe nnissue?
nn- nncorrect nnanswer-The nnrelief nnvalve nnis nnset nntoo nnlow nn(805)
** nnRunby nnfor nna nn1:1 nncar nnhits nnthe nnCWT nnbuffer nn4" nnbelow nnthe nntop nnlanding. nnThe nnCWT nnrunby
nnshould nnbe nnset nnat nn18". nnHow nnmuch nnshould nnthe nnropes nnbe nnshortened? nn- nncorrect nnanswer-22" nnfor
nn1:1. nn
For nna nn2:1 nnwith nnthe nnsame nnissue nnis nn44".
** nnYou nnneed nnto nnwork nnon nna nnfreight nndoor nnretiring nncam. nnYou nnLOTO nnthe nnmainline nndisconnect nnbut
nnthere nnis nnstill nnpower nnto nnthe nncam. nnWhat nncircuit nnis nnstill nnhot? nn- nncorrect nnanswer-Mainline
nndisconnect nn(535)
** nnThe nncontractor nnrequests nnthat nnthe nnvertical nncenter nnof nnthe nnRack nnand nnPinion nnhoist nnbe nnmoved.
nnHow nnis nnthis nnaccomplished? nn- nncorrect nnanswer-Adjust nnTie nndowns/Wall nnties nn(805)
** nnWorking nnpressure nnon nna nnHydro nnis nn400 nnPSI. nnWhat nnis nnthe nncorrect nnRelief nnValve nnSetting? nn-
nncorrect nnanswer-600 nnPSI nnMax. nn(805)
400 nnpsi nnx nn150% nn= nn600 nnpsi
** nnA nncontractor nnwants nnto nnraise nnthe nncar nnspeed nnfrom nn100 nnFPM nnto nn125 nnFPM. nnIt nncurrently nnhas nna
nn12" nnsheave. nnWhat nnsize nnsheave nnis nnrequired? nn- nncorrect nnanswer-15"
(125 nn/100 nn= nn1.25 nn1.25 nnx nn12 nn= nn15)
,** nnThere nnis nnslight nnarcing nnat nnthe nnBrushes nnand nnCommutator. nnWhat nnactions nnmust nnbe nntaken? nn-
nncorrect nnanswer-None. nn(430)
"Heavy nnarcing nnis nndue nnto nnlight nnbrush nnpressure. nnMechanical nnwear nnindicates nnheavy nnbrush nnpressure.
** nnHow nnmuch nnresistance nnis nnnormally nnmeasured nnacross nna nnnormally nnclosed nnswitch nn? nn- nncorrect
nnanswer-1.2 nnohms nnor nn1 nnto nn2 nnohms
** nnA nncar nntraveling nnin nnthe nnhoistway nnalways nnstops nnat nnthe nnsame nnpoint nnand nnblows nna nnfuse. nnWhat
nnis nnthe nnproblem? nn- nncorrect nnanswer-Traveling nncable nnhas nna nncut nnor nnshort
** nnHow nnis nna nnClass nn1 nn(yearly) nnbuffer nntest nnperformed? nn- nncorrect nnanswer-At nnslow nnspeed nnand nnthe
nnbuffer nnmust nnreturn nnin nn90 nnseconds. nn(555) nn*(60 nnseconds nnis nnacceptable) nn(90 nnseconds nnis nncode)
5 nnyear nntest nn(Class nn5) nnis nncar nnat nnrated nnload nnand nnspeed. nnBuffer nnmust nnreturn nnin nn90 nnseconds. nnCWT
nnat nnrated nnspeed nnand nnbuffer nnmust nnreturn nnin nn90 nnseconds.
** nnHow nnmany nnStrain nnSupports nnare nnrequired nnon nna nn350' nnraceway? nn- nncorrect nnanswer-4
One nnfor nnevery nn100'
** nnHow nnis nnStainless nnsteel nndrilled nnout? nn- nncorrect nnanswer-Slow nnspeed nnand nnconstant nnpressure
nn(205)
** nnWhat nnare nnthe nnrequired nnamount nnof nnclips nnfor nnWedge nnShackles nnand nnwhat nnis nntheir nnspacing? nn-
nncorrect nnanswer-At nnleast nn2, nnwith nnthe nnfirst nnbeing nn4 nntimes nnthe nndiameter nnof nnthe nnrope nnfrom nnthe
nntop nnof nnshackle. nn
Second nnis nn8 nntimes nnthe nndiameter nnof nnthe nnrope nnfrom nnthe nnfirst.
** nnCar nnis nnloaded nnwith nn125% nnand nnsinks. nnWhy? nn- nncorrect nnanswer-Slipped nnthrough nnthe nnbrake.
** nnA nn300 nnOhm nnresistor nnburns nnout. nnYou nndon't nnhave nna nn300 nnOhm nnresistor nnto nnreplace nnit. nnWhat
nncan nnyou nnuse nnto nnmake nnup nnthe nnresistor? nn- nncorrect nnanswer-2 nn600 nnOhms nnresistors nnin nnParallel.
nn"The nnresistance nnis nnhalf nnof nnthe nnhighest nnrating nnin nna nnparallel nncircuit. nn
, 3, nn225 nnOhm nnresistors nnin nnparallel nnequal nn75 nnOhms.
** nnA nn480 nnVAC nnStep nnDown nnTransformer nnis nnconnected nnto nna nn3 nnphase nnrectifier. nnWhat nnwill nnthe
nnoutput nnbe? nn- nncorrect nnanswer-320 nnVDC
480 nn- nn33.33% nn= nn320
** nnIf nnyou nnfind nna nnbroken nnor nnmissing nnbarricade, nnwhat nndo nnyou nndo? nn- nncorrect nnanswer-Write nnup nna
nnformal nninspection nnrequest.
** nnIf nna nnDumbwaiter nnhas nn9 nnsquare nnfeet nnin nnArea, nn
4 nn' nnHigh nnand nnthe nnrated nnCapacity nnis nn13.9 nnlb/ft3, nnwhat nnis nnthe nntotal nncapacity? nn- nncorrect nnanswer-
500 nnlb/ft3. nn
"The nnarea nnof nna nnDumbwaiter nnis nn9 nnsq' nnmax nnand nnis nn4' nnHigh. nnMultiply nnthat nnby nn13.9. nn
9x4 nn= nn36. nn36 nnx nn13.9 nn= nn500
** nnWhat nnare nnthe nnconsequences nnof nna nnmisaligned nnRack nnand nnPinion nnhoist nnjoint? nn- nncorrect
nnanswer-Broken nnGear nnTeeth nn(850) nnMotor nnnot nnaligned.
** nnYou nnenter nna nnPit nnwhere nntoxic nnfumes nnare nnpresent. nnHow nndo nnyou nnproceed? nn- nncorrect nnanswer-
Follow nnproper nnprocedures. nn
"Confined nnSpace nnentry nnprocedures nnare nnnow nnguided nnby nnOSHA nnfor nnpit nnentry".
** nnWhen nnchanging nna nn1:1 nncar nnrated nnat nn600 nnFPM nnand nn2000 nnlb nncapacity nnto nna nn2:1, nnwhat nnwill
nnthe nnnew nnratings nnbe? nn- nncorrect nnanswer-300 nnFPM nnand nn4000 nnlb nncapacity. nn
"Halves nnthe nnspeed nnand nndoubles nnthe nncapacity nn".
** nnA nn"Vertical" nnplatform nnlift nnhas nna nnclearance nnof nn1". nnHow nnmuch nnwill nnit nnneed nnto nnbe nnmoved nnto
nnmeet nncode? nn- nncorrect nnanswer-Deduct nn1/4". nn
( nn3/4" nn) nnis nnneeded.
** nnA nncar nnweighs nn2500 nnlbs nnwith nna nncapacity nnof nn2500 nnlbs. nnThe nnCWT nnis nnweighed nnat nn40%. nnHow
nnmuch nnis nnthe nnmotor nnlifting nnat nn100% nnload? nn- nncorrect nnanswer-1500 nnlbs
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