NCCCO 5 QUESTIONS AND ANSWERS
2025
1.,A,crane,component,made,by,a,crane,company,can,be,used,on,any,other,crane,made,by,that,c
ompany.,-,ANSWER,False,#298
1.,A,rough,terrain,crane,is,commonly,referred,to,as:,-,ANSWER,Cherry,picker,#301
List,the,two,causes,of,the,majority,of,mobile,crane,accidents,-
,ANSWER,Improper,Assembly,#305
b.,Improper,Setup
When,lifting,boom,sections,,avoid,connecting,wire,rope,slings,to,the,main------,of,the,boom,-
,ANSWER,Chords
1.,During,crane,assembly,the,counterweight,should,be,installed,______________,the,installatio
n,of,the,complete,boom.,-,ANSWER,Before,#306
1.,When,assembling,the,boom,sections,,which,set,of,pin,holes,are,fastened,(pinned),first?,-
,ANSWER,Upper,#309
1.,When,installing,the,boom,pins,,the,pin,should,be,pointing:,-
,ANSWER,Out,away,from,boom,center,#311
1.,When,first,raising,an,assembled,boom,what,precaution,should,be,observed,to,reduce,the,wei
ght,on,the,boom?,-
,ANSWER,Run,out,the,hoist,line;,keep,the,block,on,the,ground,until,about,30,degrees.,#311
1.,When,dismantling,a,crane,boom,the,bottom,set,of,boom,pins,should,be,removed,first.,-
,ANSWER,True,#312
, 1.,It,is,safe,to,climb,under,a,boom,to,knock,out,the,boom,pins,if,the,crane,has,tension,on,the,pe
ndant,lines.,-,ANSWER,False,#313
1.,What,two,important,steps,must,be,followed,when,welding,a,damaged,crane,boom?,-
,ANSWER,Follow,the,Manufactures,Welding,procedures
b.,Have,a,welder,certified,to,the,correct,welding,procedures.,#315
Which,position,should,the,gantry,of,a,crane,be,in,when,lifting,a,load,-
,ANSWER,Highest,position.,#316
A,----,is,an,auxiliary,boom,,which,is,in,effect,an,extension,of,the,main,boom.,-,ANSWER,jib
When,using,the,main,load,line,(with,the,jib,attached),,the,working,load,for,the,boom,must,be,re
duced,by:,-,ANSWER,Manufacturers,specifications,for,jib,and,hook,weight,reduction.,#317
Jib,forestay,and,backstay,pendant,lines,should,be:,-
,ANSWER,Of,equal,length,,or,the,backstay,pendant,lines,should,be,longer.,#319
Jib,capacity,"increases",as,the,angle,to,the,ground,decreases,-,ANSWER,False,#320
To,avoid,torsional,loading,the,boom,tip,sheaves,should,be,-
,ANSWER,Symmetrically,reeved.,#323
Whenever,operating,a,crane,around,newly,constructed,buildings,which,of,these,conditions,coul
d,be,dangerous?,-,ANSWER,Uncompacted,soil,#327
The,ground,pressure,under,outriggers,is,higher,than,it,is,under,a,crawler,track,because,of,a,small
er,bearing,surface.,-,ANSWER,True,#330
