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RIGGING PRACTICES QUESTIONS AND ANSWERS-100% ACCURATE.
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RIGGING PRACTICES QUESTIONS AND ANSWERS-100% ACCURATE.
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OPERATION QUESTIONS ANDANSWERS
Ifdadcranedisdnotdsetdupdlevel,danddthedoperatordswingsdadloaddfromdthedhighdsidedtodthedlo
wdside,dthedloaddradiusdwill:d-dans✔✔Increase
Howdisdthedsignaldpersondidentified?d-
dans✔✔Designatedadsignaldpersondduringdthedpredliftdmeetingdanddidentifydthatdpersondtodt
hedcrew
Quicklydloweringdanddstoppingdthedloaddcan:d-
dans✔✔Increasedthedloadingdondthedcranedanddcauseditdtodfaildstructurallydordtodbecomedu
nstable
Adhydraulicdfootdswingdbrakedisdactivateddby:d-
dans✔✔Pressuredondthedbrakedfootdpedaldcausingdhydraulicdpressuredfromdmasterdcylind
erdtodactivatedadslavedcylinderdwhichdapplieddbrakedpressure
Boomdextensionsdanddjibsdaredgenerally:d-dans✔✔Useddtodincreasedheight
Whendleavingdthedcranedunattendeddwithdadloaddhookeddup:d-
dans✔✔Lowerdthedload,dsetdalldbrakesdanddpawls
Indorderdtodcontroldtheddriftdofdthedload,dthedoperatordmust:d-
dans✔✔Keepdthedboomdtipdoverdthedload
Whendusingdadcranedtodpickdanddcarrydadloaddyoudmust:d-
dans✔✔Keepdthedspeeddasdlowdasdpossible,davoiddsuddendstopsdanddstarts,dusedtagdlines
Todrestrictdaccessdtodcranesdswingdradius:d-dans✔✔Barricadedthedareadarounddthedcrane
Sidedloadingdmaydbedcauseddby:d-dans✔✔Startingdordstoppingdthedswingdtoodrapidly
Afterdthedcranedhasdbeendcheckeddoutdanddbeforedcranedliftdoperationsdbehinddthedcrewds
hould:d-dans✔✔Havedadpredliftdmeeting
Whichdpositiondshoulddthedgantrydofdadcranedbedindwhendliftingdadload?d-
dans✔✔Highestdposition
, Deflectiondofdthedboomdanddpendentdstretchdwilldincrease:d-dans✔✔Loaddradius
Mostdcranedmanufacturersdreducedloaddcapacitydforddutydcycledoperationsdbecause:d-
dans✔✔Sidedloadingdforcesdmaydoccur
Backwarddstabilitydofdadcranedisdtesteddwith:d-
dans✔✔Basicdboomdatdmaximumdangledwithdnodload
Adsuddendstartdordstopdwhiledoperatingdadcranedproducesda:d-dans✔✔Dynamicdload
Whichdofdthesedweatherdconditionsdcoulddrestrictdordstopdhoistingdactivities?d-
dans✔✔Winddgusts
Thedboomdswingdindadcranedisdstoppeddwithdwhatdaction?d-
dans✔✔Checkingdthedswingdleverdindthedoppositeddirection
Whendtakingdadsidedstraindondadboom,dwhatdconcernsdthedoperatordmost?d-
dans✔✔Boomddamage
Thedprimarydpurposedfordadroosterdsheavedordauxiliarydboomdpointdsheavedisdto:d-
dans✔✔Separatedthedhoistdlines
Eccentricdmaindboomdtipdreevingdcauses:d-dans✔✔Twistingdofdthedboom
Whendshoulddadtagdlinedbedused?d-dans✔✔Whendrotationdofdloaddwoulddbeddangerous
Whendandoperatordarrivesdatdadjobdsitedanddthedcranedisdalreadyderected,dhowdwoulddthed
operatordcheckdthedmaindanddauxiliarydhoistdbrakes?d-
dans✔✔Lifedthedloaddadfewdinchesdoffdthedgrounddanddapplydthedbrake
Ifdadtelescopicdboomdcranedhasdseparatedcontrolsdfordeachdsection,dwhichdsectiondshouldd
bedtelescopeddfirst?d-dans✔✔Alldsectionsdshoulddbedtelescopeddequally
Whendliftingdloadsdfromdthedwater,dthedmostdimportantdthingdthedoperatordshoulddbedawar
edofdis:d-dans✔✔Thedloaddwilldincreasedwhendyoudpickdthedloaddfromdthedwater
Whendadspinningdloaddpresentsdaddanger,dwhatdshoulddbeddone?d-dans✔✔Usedadtagdline
Thedcranedisdoutdofdlevel,dyoudreleasedthedswingdbrake,dwhichdhedboomdswingsddownhill,d
your:d-dans✔✔Loaddradiusdincreases
Ondlatticedboomdcranesdfitteddwithdpowerdloaddlowering,dadheavydloaddshoulddbedloweredd
bydusingdthe:d-dans✔✔Powerdload-loweringdfeaturedanddfootdbrake
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