NCCCO 6 QUESTIONS AND ANSWERS

NCCCO 6 QUESTIONS AND ANSWERS

What,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 1 / 2

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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