NCCCO 3 QUESTIONS AND ANSWERS

NCCCO 3 QUESTIONS AND ANSWERS

1.,The,crane,is,out,of,level,,you,release,the,swing,brake,,the,boom,swings,downhill,,your:,- ,ANSWER,load,radius,increases.

1.,Blocking,can,be,placed,under,the,ends,of,tracks,to:,-

,ANSWER,increase,the,crane's,stability,when,operating,over,front,or,back.

1.,What,quadrant,produces,the,least,amount,of,ground,pressure,on,a,lattice,crawler:,- ,ANSWER,side.

1.,On,lattice,boom,cranes,fitted,with,power,load,lowering,,a,heavy,load,should,be,lowered,by,usi

ng,the:,-,ANSWER,power,load-lowering,feature,and,the,foot,brake.

1.,Abruptly,stopping,a,rapid,swing,on,a,long- boom,mobile,crane,will,produce,what,major,effect?,- ,ANSWER,Overturning,the,crane,or,collapsing,the,boom.

1.,When,the,boom,handle,is,released,to,its,center,position,,which,action,should,be,expected?,- ,ANSWER,The,boom,hoist,will,be,held,stationary.

1.,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.

1.,You,can't,level,your,crawler,crane:,-,ANSWER,don't,operate,crane.

1.,What,effect,does,having,the,crawlers,retracted,have,on,a,crawler,crane,with,a,long,boom?,- ,ANSWER,Decrease,in,capacity.

1.,Your,crawler,crane,is,on,a,barge,,it,is,necessary,to:,-,ANSWER,secure,the,crane,to,the,barge.

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1.,A,pin- connected,lattice,boom,is,being,dismantled.,After,connecting,the,equalizer,(bridle),to,the,conne cting,lugs,on,the,boom,,which,boom,connecting,pins,should,be,removed,first?,- ,ANSWER,Lower,connection,pins,,located,at,and,ahead,of,the,equalizer.

1.,When,using,a,mobile,crane,on,a,barge,,the,crane's,load,capacity,chart,shall,be:,- ,ANSWER,replaced,by,a,list,chart.

1.,How,many,broken,wires,are,permitted,at,the,end,connection,of,a,pendant,before,it,must,be,ta ken,out,of,service?,-,ANSWER,1

1.,If,high,winds,are,expected,and,the,lattice,boom,crane,must,be,secured,pointing,into,the,wind, ,then,the,hook,should,be:,-,ANSWER,secured,to,a,solid,structure,directly,below,the,boom,point

1.,When,assembling,a,lattice,boom,on,most,crawler,cranes,using,inserts,of,different,lengths,,whi ch,insert,section,generally,should,be,closest,to,the,boom,foot?,-,ANSWER,10,ft.

1.,During,assembly,where,should,you,attach,slings,to,lift,boom,sections?,-,ANSWER,End,fittings

1.,Which,boom,configuration,can,cause,the,most,hazardous,boom,side-loading,condition?,- ,ANSWER,Long,boom,with,minimum,radius.

1.,When,is,it,safe,to,handle,loads,under,power,lines?,- ,ANSWER,The,load,nor,any,part,of,the,crane,can,come,closer,than,regulations,allow.

1.,On,a,lattice,boom,truck,crane,,boom,angle,is,measured,between,the,centerline,of,the:,- ,ANSWER,loaded,boom,and,the,horizontal.

1.,When,a,lattice,boom,truck,crane,is,lifting,on,outriggers,,the,floats,or,pads,should,always,be:,- ,ANSWER,secured,to,the,outriggers.

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