NCCCO LATTICE BOOM GENERAL
KNOWLEDGE QUESTIONS AND ANSWERS 2025
The,lattice,boom,is,designed,to,take,winds,of,up,to,20,mph.,from,the,side,plus,a,full,rated,load,,p
lus,a,direct,side,load,equal,to,what,percent,of,the,rated,load?,-,ANSWER,2%
The,part,of,the,load,chart,governed,by,stability,is,based,on,what,percentage,of,capacity,while,a,c
rawler,crane,is,working,over,the,side,quadrant?,-,ANSWER,A.,75%
The,most,unstable,working,quadrant,for,a,crawler,crane,is,the;,-,ANSWER,Side
What,type,of,capacity,is,listed,on,a,crane,load,chart?,-,ANSWER,Static
If,the,manufacture,of,a,particular,crane,does,not,specifically,permit,pick,and,carry,operations,wh
at,procedure,must,be,followed,during,this,operation?,-
,ANSWER,Don't,make,any,pick,and,carry,lifts
What,is,the,main,purpose,of,a,jib/extension?,-,ANSWER,To,extend,reach,higher,or,up,and,over
When,the,number,of,layers,of,rope,on,a,drum,increase,the,line,pull___________.,-
,ANSWER,Decreases
When,handling,boom,sections,,the,best,place,for,slings,to,be,attached,is;,-
,ANSWER,At,the,pin,connections,at,the,ends,of,the,top,chords
Placing,timber,blocking,under,the,tips,of,the,tracks,on,a,crawler,crane,will;,-
,ANSWER,Make,the,crane,more,stable
What,is,the,major,effect,of,stopping,suddenly,a,rapid,swing,while,operating,long,boom,crane?,-
,ANSWER,Action,may,cause,the,crane,boom,collapse,and/or,overturn,the,crane
, According,to,B30.10,hooks,shall,be,removed,from,service,when,the,throat,opening,exceeds,___
__,the,original,throat,opening.,-,ANSWER,5%
On,a,crawler,crane,ground,bearing,pressure,is,greatest,where?,-,ANSWER,Over,the,corner
During,disassembly,of,a,long,boom,,the,pendant,lines,are,connected,at,the,maximum,cantilever,
point,and,the,boom,is,slightly,lifted,off,the,ground,,which,boom,connection,pins,are,to,be,remov
ed,next?,-,ANSWER,The,bottom,pins,ahead,of,the,cantilever,point
Most,crane,manufactures,require,the,load,chart,capacities,must,be,reduced,when,wind,speed,re
aches;,-,ANSWER,20,mph
The,definition,of,cantilever,of,a,lattice,boom,crane,is;,-
,ANSWER,The,boom,suspended,past,the,pendant,connections
What,chart,do,you,use,when,operating,a,crane,on,a,barge;,-,ANSWER,List,chart
According,to,OSHA,,Jibs,must,have,a,positive,________,from,backwards,overturning,-
,ANSWER,Stop
Mobile,cranes,on,barges,shall,be,-,ANSWER,Physically,attached,to,the,barge
When,a,crane,is,properly,barricaded,,what,is,the,clearance,required,all,the,way,around,360,degr
ees,between,the,superstructure,and,the,barricade,when,swung,360,degrees?,-,ANSWER,2,feet
According,to,ASME,B30.5,a,fire,extinguisher,shall,have,a,rating,of,__________,and,shall,be,availa
ble,at,all,operator's,stations,or,cabs,of,the,equipment.,-,ANSWER,10,BC,or,higher
When,assembling,a,lattice,boom,crane,the,top,pins,of,the,boom,sections,should,be,inserted;,-
,ANSWER,First
KNOWLEDGE QUESTIONS AND ANSWERS 2025
The,lattice,boom,is,designed,to,take,winds,of,up,to,20,mph.,from,the,side,plus,a,full,rated,load,,p
lus,a,direct,side,load,equal,to,what,percent,of,the,rated,load?,-,ANSWER,2%
The,part,of,the,load,chart,governed,by,stability,is,based,on,what,percentage,of,capacity,while,a,c
rawler,crane,is,working,over,the,side,quadrant?,-,ANSWER,A.,75%
The,most,unstable,working,quadrant,for,a,crawler,crane,is,the;,-,ANSWER,Side
What,type,of,capacity,is,listed,on,a,crane,load,chart?,-,ANSWER,Static
If,the,manufacture,of,a,particular,crane,does,not,specifically,permit,pick,and,carry,operations,wh
at,procedure,must,be,followed,during,this,operation?,-
,ANSWER,Don't,make,any,pick,and,carry,lifts
What,is,the,main,purpose,of,a,jib/extension?,-,ANSWER,To,extend,reach,higher,or,up,and,over
When,the,number,of,layers,of,rope,on,a,drum,increase,the,line,pull___________.,-
,ANSWER,Decreases
When,handling,boom,sections,,the,best,place,for,slings,to,be,attached,is;,-
,ANSWER,At,the,pin,connections,at,the,ends,of,the,top,chords
Placing,timber,blocking,under,the,tips,of,the,tracks,on,a,crawler,crane,will;,-
,ANSWER,Make,the,crane,more,stable
What,is,the,major,effect,of,stopping,suddenly,a,rapid,swing,while,operating,long,boom,crane?,-
,ANSWER,Action,may,cause,the,crane,boom,collapse,and/or,overturn,the,crane
, According,to,B30.10,hooks,shall,be,removed,from,service,when,the,throat,opening,exceeds,___
__,the,original,throat,opening.,-,ANSWER,5%
On,a,crawler,crane,ground,bearing,pressure,is,greatest,where?,-,ANSWER,Over,the,corner
During,disassembly,of,a,long,boom,,the,pendant,lines,are,connected,at,the,maximum,cantilever,
point,and,the,boom,is,slightly,lifted,off,the,ground,,which,boom,connection,pins,are,to,be,remov
ed,next?,-,ANSWER,The,bottom,pins,ahead,of,the,cantilever,point
Most,crane,manufactures,require,the,load,chart,capacities,must,be,reduced,when,wind,speed,re
aches;,-,ANSWER,20,mph
The,definition,of,cantilever,of,a,lattice,boom,crane,is;,-
,ANSWER,The,boom,suspended,past,the,pendant,connections
What,chart,do,you,use,when,operating,a,crane,on,a,barge;,-,ANSWER,List,chart
According,to,OSHA,,Jibs,must,have,a,positive,________,from,backwards,overturning,-
,ANSWER,Stop
Mobile,cranes,on,barges,shall,be,-,ANSWER,Physically,attached,to,the,barge
When,a,crane,is,properly,barricaded,,what,is,the,clearance,required,all,the,way,around,360,degr
ees,between,the,superstructure,and,the,barricade,when,swung,360,degrees?,-,ANSWER,2,feet
According,to,ASME,B30.5,a,fire,extinguisher,shall,have,a,rating,of,__________,and,shall,be,availa
ble,at,all,operator's,stations,or,cabs,of,the,equipment.,-,ANSWER,10,BC,or,higher
When,assembling,a,lattice,boom,crane,the,top,pins,of,the,boom,sections,should,be,inserted;,-
,ANSWER,First
