TOWER CRANE QUESTIONS AND ANSWERS
2025
Which,of,the,following,OSHA,regulations,govern,suspended,personnel,platforms?,-
,ANSWER,OSHA,1926.1431
According,to,ASME,B30.3,The,prohibited,zone,for,power,lines,that,are,60,kV,is,-,ANSWER,15,ft
According,to,ASME,B30.3,,load,hoist,rotation,resistant,wire,rope,has,a,design,factor,of,-
,ANSWER,5,to,1
According,to,ASME,B30.3,when,Lifting,a,suspended,personnel,platform,design,factor,for,the,riggi
ng,hardware,is,-,ANSWER,5,to,1
According,to,ASME,B30.3,Load,hoist,ropes,that,are,not,rotation,resistant,must,have,a,design,fact
or,of,-,ANSWER,5,to,1
The,OSHA,construction,standard,for,rigging,equipment,is,-,ANSWER,1926.251
According,to,ASME,B30.3,on,who's,recommendations,should,a,preventative,maintenance,progra
m,be,set,up?,-,ANSWER,Crane,manufacturer
When,using,cable,or,nylon,spreaders,it,is,important,to,remember:,-
,ANSWER,The,lower,the,spreader,angle,the,greater,the,tension
According,to,OSHA,when,testing,a,man,basket,how,long,must,the,test,pick,be,maintained?,-
,ANSWER,5,minutes
According,to,ASME,B30.3,What,is,the,minimum,pitch,diameter,for,load,hoisting,sheaves?,-
,ANSWER,Not,less,than,18,times,rope,diameter
, According,to,ASME,B30.3,what,is,the,minimum,pitch,diameter,for,load,block,sheaves?,-
,ANSWER,Not,less,than,16,times,rope,diameter
According,to,ASME,B30.3,what,is,the,minimum,pitch,diameter,for,boom,hoist,sheaves?,-
,ANSWER,Not,less,than,15,times,rope,diameter
According,to,OSHA,when,lifting,personnel,the,cranes,hook,must,be,the,type,that,-
,ANSWER,Can,be,closed,and,locked
According,to,OSHA,when,working,over,water,with,a,man,basket,are,the,people,inside,required,t
o,wear,a,belt/harness?,-,ANSWER,No,harness,or,belt,required
According,to,ASME,B30.3,when,working,near,powerlines,where,should,caution,stickers,be,install
ed?,-,ANSWER,Operator,station,and,at,the,base,of,the,crane
According,to,OSHA,a,frequent,inspection,is:,-,ANSWER,Daily,to,monthly
According,to,OSHA,a,periodic,inspection,is:,-,ANSWER,Monthly,to,annually
Cranes,idle,for,more,than,six,months,must,have,inspections,performed:,-
,ANSWER,Frequent,and,periodic
Cranes,idle,for,less,than,six,months,must,have,inspections,performed:,-,ANSWER,Frequent
Cranes,lifting,personnel,platform,must,have,the,platform,and,rigging,inspected:,-
,ANSWER,Prior,to,each,shift
Crane,hooks,must,not,be,twisted,in,excess,of:,-,ANSWER,10,degrees
