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NCCCO 6 QUESTIONS AND ANSWERS 2025
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NCCCO 6 QUESTIONS AND ANSWERS 2025
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NCCCO 6 QUESTIONS AND ANSWERS 2025What,effect,does,the,proper,use,of,mats,,blocking,or,cribbing,,and,outriggers,or,crawlers,have,to
,the,suitability,of,the,supporting,surface.,-
,ANSWER,Better,distributes,and,lessens,loads,on,the,supporting,surface
Pre-operational,inspections,are,necessary,and,required:,-
,ANSWER,To,enhance,cranes,safety,by,discovering,discrepancies,prior,to,operating
When,assembling,or,dismantling,lattice,booms,,it,is,safe,to,work,under,the,boom:,-
,ANSWER,None,of,the,above
Why,use,mats,or,cribbing?,-,ANSWER,To,reduce,ground,pressure
When,installing,the,boom,pins,,the,pin,should,be,pointing:,-
,ANSWER,Out,away,from,boom,center
The,proper,way,to,calibrate,a,boom,angle,indicator,is:,-
,ANSWER,Using,a,level,,raise,the,boom,to,horizontal,and,set,the,indicator,at,0,degrees.
.,During,disassembly,of,a,long,boom,,the,hog,lines,are,connected,at,the,maximum,cantilever
point,and,the,boom,is,slightly,lifted,off,the,ground.,Which,pins,are,to,be,removed,next?,-
,ANSWER,The,bottom,pins,ahead,of,the,cantilever,point
When,assembling,a,crane,you,can,lift,the,boom,sections,by,rigging,the,chokers,around?,-
,ANSWER,None,of,the,above
Where,is,the,best,location,for,leveling,a,crane?,-,ANSWER,Upperworks
During,setup,how,do,you,determine,machine,clearances,(counterweight,,boom,,and
outrigger)?,-,ANSWER,Measure,for,correct,distance
, What,is,not,a,good,location,for,crane,setup?,-,ANSWER,Above,utilities
All,hazards,and,potential,problems,should,be,discovered,during,the:,-,ANSWER,a.,Pre-
lift,site,inspection
When,setting,up,a,crane,in,an,area,that,has,public,access,you,should,barricade:,-
,ANSWER,The,working,radius
Blocking,can,be,placed,under,the,ends,of,tracks,to:,-
,ANSWER,increase,the,crane's,stability,when,operating,over,front,or,back
On,a,lattice,boom,crawler,crane,,the,main,boom,length,is,measured,from,the:,-
,ANSWER,center,of,the,boom,heel,pins,to,the,center,of,the,boom,tip,sheave.
When,blocking,under,a,mobile,crane,outrigger,float,,the,block,should,be,-
,ANSWER,Parallel,and,tightly,spaced
The,percentage,of,mobile,crane,accidents,caused,by,improper,crane,setup,is:,-
,ANSWER,Over,50%
When,preparing,to,set,up,a,mobile,crane,for,operation,,the,following,steps,must,be,taken,by
the,operator:,-,ANSWER,All,of,the,above
A,pin-connected,lattice,boom,is,being,dismantled.,After,connecting,the,equalizer,(bridle),to
the,connecting,lugs,on,the,boom,,which,boom,connecting,pins,should,be,removed,first?,-
,ANSWER,Lower,connection,pins,,located,at,and,ahead,of,the,equalizer.
The,bearing,pressure,of,a,modern,mobile,crane,on,outriggers,can,vary,anywhere,from:,-
,ANSWER,200,psi,to,over,1,000,psi
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