NCCCO RIGGER 1 STUDY QUESTIONS AND
ANSWERS 2025
1.,A,wire,rope,that,is,a,6x19,classification,could,have,how,many,wires,per,strand?,-
,ANSWER,15,through,26,wires,per,strand
2.,How,often,should,a,synthetic,web,sling,be,inspected?,-,ANSWER,Each,day,before,use
3.,Which,considerations,should,be,given,to,suspend,lifting,operations,with,a,mobile,crane?,-
,ANSWER,Winds,in,excess,of,35,mph
4.,What,is,the,term,that,best,describes,surface,wear,on,a,wire,rope,sling,to,rubbing,or,sliding?,-
,ANSWER,Abrasion
5.,Which,of,the,following,defects,discovered,during,an,inspection,would,cause,for,removing,a,wi
re,rope,sling,from,service?,-,ANSWER,Ten,broken,wires,in,one,lay
6.,According,to,OSHA,,each,day,before,being,used,,all,rigging,hardware,and,slings,shall,be,inspec
ted,for,damage,or,defects,by,a?,-,ANSWER,Competent,person
7.,When,the,hoist,line,is,not,vertical,what,type,of,dynamic,force,is,being,introduced,to,the,crane
?,-,ANSWER,Side,pull
8.,What,is,the,term,used,to,describe,the,ultimate,or,maximum,load,that,a,sling,fails,at,?,-
,ANSWER,Breaking,strength
9.,A,non-shouldered,eyebolt,is,primarily,designed,for,lifting,in,which,plane,?,-,ANSWER,Vertical
10.,According,to,ASME,B30.9,,(Slings),what,is,the,maximum,width,of,an,object,that,can,be,place
d,in,the,eye,of,a,wire,rope,sling?,-,ANSWER,1/2,the,length
, 11.,What,is,the,term,used,to,describe,a,sudden,or,unplanned,loading,of,the,crane,when,raising,o
r,lowering,a,load,that,will,increase,the,stress,on,rigging,and,the,load?,-,ANSWER,Shock,loading
12.,What,formula,is,used,to,determine,the,sling,length,when,you,only,know,the,hook,height,and
,the,distance,from,the,center,of,gravity,to,the,pick,point?,-,ANSWER,A2+B2=C2,look,at,paper
13.,What,is,the,approximate,weight,of,one,cubic,foot,of,steel,?,-,ANSWER,480,pounds,(lbs)
14.,Which,type,of,sling,is,required,to,have,permanent,affixed,identification,tag,stating,size,,grade
,,rated,capacity,for,hitch,type,that,can,be,used?,-,ANSWER,Alloy,steel,chain,sling
15.,Where,would,you,measure,to,check,the,diameter,of,wire,rope?,-,ANSWER,Across,the,crowns
16.,How,is,the,working,load,limit,of,slings,determined?,-
,ANSWER,Divide,the,breaking,strength,by,the,design,factor
17.,What,is,the,formula,used,to,find,volume,of,a,rectangle?,-,ANSWER,Length,x,height,x,width
18.,The,tag,on,a,synthetic,web,sling,shall,have,what,required,information,on,it,?,-
,ANSWER,Name,of,manufacturer
Rated,load,for,each,hitch,type
and,type,of,material
19.,One,leg,of,a,four,leg,alloy,steel,chain,sling,is,longer,than,the,other,three;,this,is,possible,indic
ation,of,what,type,of,damage,?,-,ANSWER,The,leg,has,been,over,loaded
20.,Using,a,cheater,pipe,on,a,chain,hoist,come,along,what,will,it,give,you,?,-
,ANSWER,More,leverage
