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GENERAL CRANE SAFETY QUESTIONS AND ANSWERS
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GENERAL CRA Thesminimumscranesteamsforsasmobilescranesonsoutriggersswouldsconsistsof- A)sThesCranesOperator,sRiggersSupervisor,sandsCranesRigger B)sThesCranesOperator,sCranesSupervisor,sRiggersSupervisor,sand CranesRigger C)sThesCranesOperator,sCranesSupervisor,sandsCranesRigger D)sThesCran...

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  • August 7, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • general crane safety questions and answers
  • thesminimumscranesteamsforsasmobilescranesonsout

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GENERAL CRANE SAFETY QUESTIONS
AND ANSWERS
Thesminimumscranesteamsforsasmobilescranesonsoutriggersswouldsconsistsof-
A)sThesCranesOperator,sRiggersSupervisor,sandsCranesRigger
B)sThesCranesOperator,sCranesSupervisor,sRiggersSupervisor,sand
CranesRigger
C)sThesCranesOperator,sCranesSupervisor,sandsCranesRigger
D)sThesCranesOperatorsandsRigger-in-Charge
E)sThesCranesOperator,sCranesWalker,sandsCranesRiggers-
srightsanswer✔C)sThesCranesOperator,sCranesSupervisor,sandsCranesRigger



Whensoperatingsfloatingscranes,syousmustsstartsswingingsorsrotatingsquicklysandsstopssmo
othlystospreventsexcessivesbargeslist.
A)sTrue
B)sFalses-srightsanswer✔B)sFalse

Extendingsastelescopingsboomswithoutsloweringstheshoistsmaysresultsins"two-
blocking"sthescrane.
A)sTrue
B)sFalses-srightsanswer✔A)sTrue

AllsofsthesfollowingsrequiresaslicensestosoperatesEXCEPTsa(n)-
A)sCab-operatedscategorys3sbridgescrane
B)sMobileshydraulicstruckscrane
C)sNon-cabsoperatedscategorys3sbridgescrane
D)sArticulatingsboomscategorys4scrane
E)sFloor-operatedscategorys2sbridgescranes-srightsanswer✔C)sNon-
cabsoperatedscategorys3sbridgescrane

WhichsofsthesfollowingsliftstypesswouldsNOTsbesconsideredsascomplexslift?
A)sMultiple-craneslifts
B)sOxygen/Acetylenesbottlessinsrackssdesignedsforslifting
OsC)sLargesgeometricsshapes
D)sLoadsswithsmulti-levelsattachmentspoints
E)sHazardoussorsexplosivesmaterialss-
srightsanswer✔B)sOxygen/Acetylenesbottlessinsrackssdesignedsforslifting



Whatsissthesminimumsamountsofsropesthatsshallsbesonsasgroovedsdrumsandsassmoothsdru
m?
A)sTheresissnosminimum
B)s4sfullswraps,s2sfullswraps

,C)s2sfullswraps,s3sfullswraps
D)s6sfullswraps,s4sfullswraps
E)s1sfullswrap,s2sfullswrapss-srightsanswer✔B)s4sfullswraps,s2sfullswraps

Theshorizontalsdistancesfromsthescentersofsrotationsofsthescranestosthescentersofstheshoistsli
ne(s)swithsloadsappliedsisscalled
A)sBoomsLength
B)sRadius
C)sLiftsZone
D)sQuadrant
E)sCircumferences-srightsanswer✔B)sRadius

Whatsisstwo-blocking,sandswhysisstwo-blockingsdangerous?
A)sTwo-
blockingsoccursswhenstheshookscontactssanothersblocksorshooksonsthescrane.sItsissdanger
oussbecausestheshookscouldsdamagesthescrane,scausingslosssofsloadscontrol.
B)sTwo-blockingsoccursswhensthesblocksorshookscontactssthesground.
Itsissdangeroussbecausestheswiresropesmayscomesoffsofsthesdrumsandsdropsthesblock.
C)sTwo-
blockingsoccursswhenstheshooksblockscomessinscontactswithsthesupperssheavesblocksdurin
gshoistingsofstheshook.sItsissdangeroussbecausesitscouldsresultsinsdamagestosthescrane,spar
tingsofstheshoistslines,sandsdroppingsthesload.s-srightsanswer✔C)sTwo-
blockingsoccursswhenstheshooksblockscomessinscontactswithsthesupperssheavesblocksdurin
gshoistingsofstheshook.sItsissdangeroussbecausesitscouldsresultsinsdamagestosthescrane,spar
tingsofstheshoistslines,sandsdroppingsthesload.

Whensshouldsastaglinesbesusedsduringsliftingsoperations?
A)swhensliftingsasloadsoversorsnearselectricalstransmissionslines
B)stospreventsthesloadsfromsswingingsorsrotating
C)swhensthessupervisorsapprovesstheirsuse
D)sonlyswhensliftingsthesloadstosextremesheightss-
srightsanswer✔B)stospreventsthesloadsfromsswingingsorsrotating



Whatsissthesweightsofsas24ssquaresfoot,s2sinchsthicksaluminumsplateswithsasunitsweightsofs1
5slbs.sperssquaresfootsofsmaterialspersinchsofsthickness?
A)s348spounds
B)s720spounds
C)s6,720spounds
D)s60spounds
E)s120spoundss-srightsanswer✔B)s720spounds

Thestwosexpirationsdatessthatsaresofsparticularsimportancestoscranesoperatorssare-
A)sVehiclesregistrationsexpirationsdate
B)sHydraulicsoilsexpirationsdate
C)sCACscardsexpirationsdate
D)sThescertificationsexpirationsdatesofsthescrane

, E)sThescranesoperator'sslicensesexpirationsdates-
srightsanswer✔D)sThescertificationsexpirationsdatesofsthescrane

E)sThescranesoperator'sslicensesexpirationsdate

WhichsofsthesfollowingsissNOTsansacceptablesmethodsofscommunicationsbetweensthessign
alspersonsandsthescranesoperator?
A)sSignalsFlags
B)sDirectsVoice
C)sHandsSignals
D)sSound-poweredsPhones
E)sApprovedsRadioss-srightsanswer✔A)sSignalsFlags

Whatsissasjibsboom?
A)sAsboomsthatsissattachedstosthesmainsboomstosallowsrotationsofsthesload
B)sAnsextensionsattachedstosthesmainsboomsusedswhensliftingslightsloadsstosashigherseleva
tionsthansthatspermittedsbysthesmainsboom
C)sAsboomsthatsissusedstosliftsextremelysheavysloadss-
srightsanswer✔B)sAnsextensionsattachedstosthesmainsboomsusedswhensliftingslightsloadssto

sashigherselevationsthansthatspermittedsbysthesmainsboom



Ifsyousfindscrackingsorsflakingspaintsonsasweldedsjointsofsasstructuralscomponentsonsthesboo
m,syousshould
A)sLookscloserstosseesifsitsissascrack.
B)sReportsitsimmediatelystosyourssupervisor.
C)sDosnothingsassitsissnotssignificant.
D)sMakesasmentalsnotestosinvestigatesitslater.
E)sNotesitsonsthesODCL,sbutsdosnotsreportsit.s-
srightsanswer✔B)sReportsitsimmediatelystosyourssupervisor.



Whilesperformingsaspre-
usescheck,sthesoperatorsmustscheckstheswiresropessystemsforsallsofsthesfollowingsEXCEPT
-
A)sExcessivescorrosion
B)sDamagesofsanyskind
C)sSizesandsgradesofswiresrope
D)sProperssheavesmovement
E)sPropersspoolingsonsthesdrums-srightsanswer✔C)sSizesandsgradesofswiresrope

AllsofsthesfollowingsaresprinciplespartssofsansoverheadstravelingscranesEXCEPT-
A)sOperator'sscabsorspendantscontrol
B)sEndstrucks
C)sShacklessandseyebolts
D)sBridgesgirders
E)sTrolleyswithshoistingsmechanisms-srightsanswer✔C)sShacklessandseyebolts

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