NCCCO MOBILE CRANE exam with
correct answers
1. vvWhat vvaction vvdoes vva vvsignal vvperson vvintend vvthe vvoperator vvto vvperform vvif vvhe vvextends vvhis vvarm vvat
vvshoulder vvheight, vvmakes vva vvfist vvwith vvhis vvhand, vvand vvsticks vvhis/her vvthumb vvup?
a. vvBoom vvdown vv
b. vvSwing vv
c. vvBoom vvup vv
d. vvExtend vvboom vv- vvcorrect vvanswerc.
2. vvWhen vvhoisting vvpersonnel, vvwithin vvwhat vvpercentage vvof vvlevel vvmust vva vvtelescopic vvboom vvcrane vvbe
vvin vvorder vvfor vvthe vvgross vvratings vvin vvthe vvload vvchart vvto vvremain vvvalid?
a. vv1%
b. vv2% vv
c. vv5% vv
d. vv8% vv- vvcorrect vvanswera.
3. vvThe vvload vvline vvof vvthe vvcrane vvyou're vvoperating vvcontacts vvan vvenergized vvpower vvline. vvThere's vvno
vvsign vvof vvany vvother vvdanger, vvsuch vvas vvfire. vvWhat vvshould vvyou vvdo?
a. vvClimb vvdown vvcarefully vvfrom vvthe vvcrane vvcab vv
b. vvJump vvdown, vvfeet vvtogether vv
c. vvStay vvin vvthe vvcab vvuntil vvthe vvlines vvare vvde-energized vv
d. vvGet vvas vvfar vvaway vvfrom vvthe vvcrane vvas vvpossible vv- vvcorrect vvanswerc.
4. vvAccording vvto vvOSHA vv1926.1413, vvhow vvmany vvrandomly vvdistributed vvbroken vvwires vvin vvrotation-
resistant vvrope vvare vvcause vvfor vvreplacement vvof vvthe vvrope?
a. vv1 vvbroken vvwire vvin vv6 vvrope vvdiameters vv
b. vv2 vvbroken vvwires vvin vv30 vvrope vvdiameters vv
,c. vv3 vvbroken vvwires vvin vvone vvstrand vvin vvone vvlay vv
d. vv2 vvbroken vvwires vvin vv6 vvrope vvdiameters vv- vvcorrect vvanswerd.
5. vvWhat vvis vvthe vvnet vvcapacity vvof vva vvcrane vvon vvmain vvboom vvunless vvthe vvmanufacturer vvstates
vvotherwise?
a. vvThe vvcapacity vvlisted vvin vvthe vvload vvchart vvminus vvthe vvweight vvof vvthe vvrigging vvand vvall vvattachments vv
b. vvThe vvcapacity vvlisted vvin vvthe vvload vvchart vvplus vvthe vvweight vvof vvthe vvrigging vvand vvall vvattachments vv
c. vvThe vvcapacity vvlisted vvin vvthe vvload vvchart vvminus vvthe vvweight vvof vvthe vvrigging vvand vvall vvattachments
vvnot vvin vvuse vv
d. vvThe vvcapacity vvlisted vvin vvthe vvload vvchart vvminus vvthe vvweight vvof vvthe vvrigging vvalone vv- vvcorrect
vvanswera.
6. vvWhat vvmay vvhappen vvto vva vvproperly vvrigged vvload vvwhen vvlifted vvoff vvthe vvground vvunless vvthe vvoperator
vvtakes vvaccount vvof vvboom vvdeflection?
a. vvIt vvcould vvswing vvout vvaway vvfrom vvthe vvcrane vv
b. vvIt vvcould vvswing vvin vvtowards vvthe vvcrane vv
c. vvIt vvcould vvraise vvabsolutely vvvertically vv
d. vvIt vvcould vvshift vvin vvits vvrigging vv- vvcorrect vvanswera.
7. vvWhat vvStandard vvMethod vvhand vvsignal vvis vvbeing vvillustrated?
a. vvSwing vv
b. vvStop vv
c. vvEmergency vvStop vv
d. vvTravel vv- vvcorrect vvanswera.
8. vvWho vvshould vvan vvoperator vvrespond vvto vva vv"stop" vvsignal vvfrom?
a. vvAppointed vvsignal vvperson vvonly vv
b. vvProject vvmanager vvonly vv
c. vvSuperintendent vvonly vv
, d. vvAnyone vv- vvcorrect vvanswerd.
9. vvWhich vvarea vvdo vvtruck vvcranes vvwithout vva vv5th vvoutrigger vvgenerally vvhave vvno vvlifting vvcapacity vvunless
vvthe vvmanufacturer vvstates vvotherwise?
a. vvThe vvside vv
b. vvThe vvrear vv
c. vvThe vvfront vv
d. vvThe vvoutriggers vv- vvcorrect vvanswerc.
10. vvWhat vvis vvthe vvdefinition vvof vv"operating vvradius?"
a. vvThe vvdistance vvfrom vvthe vvbase vvof vvthe vvboom vvto vvthe vvcenter vvof vvthe vvload vvb. vvThe vvdistance vvfrom
vvthe vvfront vvof vvthe vvcrane vvto vvthe vvcenter vvof vvgravity vvof vvthe vvload vv
c. vvThe vvdistance vvfrom vvthe vvcenter vvof vvrotation vvof vvthe vvcrane vvto vvthe vvcenter vvof vvthe vvload vv
d. vvThe vvdistance vvfrom vvthe vvcenter vvof vvrotation vvof vvthe vvcrane vvto vvthe vvcenter vvof vvgravity vvof vvthe vvload
vv- vvcorrect vvanswerd.
11. vvWhat vvapplies vvto vvthe vvcapacities vvbelow vvthe vvbold vvline vvshown vvon vva vvload vvchart?
a. vvThey vvare vvbased vvon vvthe vvstructural vvstrength vvof vvthe vvcrane vv
b. vvThey vvmust vvnot vvbe vvused vv
c. vvThey vvare vvbased vvon vvthe vvstability vvof vvthe vvcrane vv
d. vvThey vvshould vvonly vvbe vvused vvif vvthe vvcrane vvis vvset vvup vvon vvoutriggers vv- vvcorrect vvanswerc.
12. vvIn vvwhich vvquadrant vvare vvrough vvterrain vvcrane vvcapacities vvgenerally vvgreater?
a. vvOver vvthe vvfront vv
b. vvOver vvthe vvrear vv
c. vvOver vvthe vvright vvside vv
d. vvOver vvthe vvleft vvside vv- vvcorrect vvanswera.
13. vvAccording vvto vvfederal vvrequirements, vvunder vvwhat vvconditions vvis vvit vvokay vvfor vva vvperson vvto vvride
vvthe vvheadache vvball?
correct answers
1. vvWhat vvaction vvdoes vva vvsignal vvperson vvintend vvthe vvoperator vvto vvperform vvif vvhe vvextends vvhis vvarm vvat
vvshoulder vvheight, vvmakes vva vvfist vvwith vvhis vvhand, vvand vvsticks vvhis/her vvthumb vvup?
a. vvBoom vvdown vv
b. vvSwing vv
c. vvBoom vvup vv
d. vvExtend vvboom vv- vvcorrect vvanswerc.
2. vvWhen vvhoisting vvpersonnel, vvwithin vvwhat vvpercentage vvof vvlevel vvmust vva vvtelescopic vvboom vvcrane vvbe
vvin vvorder vvfor vvthe vvgross vvratings vvin vvthe vvload vvchart vvto vvremain vvvalid?
a. vv1%
b. vv2% vv
c. vv5% vv
d. vv8% vv- vvcorrect vvanswera.
3. vvThe vvload vvline vvof vvthe vvcrane vvyou're vvoperating vvcontacts vvan vvenergized vvpower vvline. vvThere's vvno
vvsign vvof vvany vvother vvdanger, vvsuch vvas vvfire. vvWhat vvshould vvyou vvdo?
a. vvClimb vvdown vvcarefully vvfrom vvthe vvcrane vvcab vv
b. vvJump vvdown, vvfeet vvtogether vv
c. vvStay vvin vvthe vvcab vvuntil vvthe vvlines vvare vvde-energized vv
d. vvGet vvas vvfar vvaway vvfrom vvthe vvcrane vvas vvpossible vv- vvcorrect vvanswerc.
4. vvAccording vvto vvOSHA vv1926.1413, vvhow vvmany vvrandomly vvdistributed vvbroken vvwires vvin vvrotation-
resistant vvrope vvare vvcause vvfor vvreplacement vvof vvthe vvrope?
a. vv1 vvbroken vvwire vvin vv6 vvrope vvdiameters vv
b. vv2 vvbroken vvwires vvin vv30 vvrope vvdiameters vv
,c. vv3 vvbroken vvwires vvin vvone vvstrand vvin vvone vvlay vv
d. vv2 vvbroken vvwires vvin vv6 vvrope vvdiameters vv- vvcorrect vvanswerd.
5. vvWhat vvis vvthe vvnet vvcapacity vvof vva vvcrane vvon vvmain vvboom vvunless vvthe vvmanufacturer vvstates
vvotherwise?
a. vvThe vvcapacity vvlisted vvin vvthe vvload vvchart vvminus vvthe vvweight vvof vvthe vvrigging vvand vvall vvattachments vv
b. vvThe vvcapacity vvlisted vvin vvthe vvload vvchart vvplus vvthe vvweight vvof vvthe vvrigging vvand vvall vvattachments vv
c. vvThe vvcapacity vvlisted vvin vvthe vvload vvchart vvminus vvthe vvweight vvof vvthe vvrigging vvand vvall vvattachments
vvnot vvin vvuse vv
d. vvThe vvcapacity vvlisted vvin vvthe vvload vvchart vvminus vvthe vvweight vvof vvthe vvrigging vvalone vv- vvcorrect
vvanswera.
6. vvWhat vvmay vvhappen vvto vva vvproperly vvrigged vvload vvwhen vvlifted vvoff vvthe vvground vvunless vvthe vvoperator
vvtakes vvaccount vvof vvboom vvdeflection?
a. vvIt vvcould vvswing vvout vvaway vvfrom vvthe vvcrane vv
b. vvIt vvcould vvswing vvin vvtowards vvthe vvcrane vv
c. vvIt vvcould vvraise vvabsolutely vvvertically vv
d. vvIt vvcould vvshift vvin vvits vvrigging vv- vvcorrect vvanswera.
7. vvWhat vvStandard vvMethod vvhand vvsignal vvis vvbeing vvillustrated?
a. vvSwing vv
b. vvStop vv
c. vvEmergency vvStop vv
d. vvTravel vv- vvcorrect vvanswera.
8. vvWho vvshould vvan vvoperator vvrespond vvto vva vv"stop" vvsignal vvfrom?
a. vvAppointed vvsignal vvperson vvonly vv
b. vvProject vvmanager vvonly vv
c. vvSuperintendent vvonly vv
, d. vvAnyone vv- vvcorrect vvanswerd.
9. vvWhich vvarea vvdo vvtruck vvcranes vvwithout vva vv5th vvoutrigger vvgenerally vvhave vvno vvlifting vvcapacity vvunless
vvthe vvmanufacturer vvstates vvotherwise?
a. vvThe vvside vv
b. vvThe vvrear vv
c. vvThe vvfront vv
d. vvThe vvoutriggers vv- vvcorrect vvanswerc.
10. vvWhat vvis vvthe vvdefinition vvof vv"operating vvradius?"
a. vvThe vvdistance vvfrom vvthe vvbase vvof vvthe vvboom vvto vvthe vvcenter vvof vvthe vvload vvb. vvThe vvdistance vvfrom
vvthe vvfront vvof vvthe vvcrane vvto vvthe vvcenter vvof vvgravity vvof vvthe vvload vv
c. vvThe vvdistance vvfrom vvthe vvcenter vvof vvrotation vvof vvthe vvcrane vvto vvthe vvcenter vvof vvthe vvload vv
d. vvThe vvdistance vvfrom vvthe vvcenter vvof vvrotation vvof vvthe vvcrane vvto vvthe vvcenter vvof vvgravity vvof vvthe vvload
vv- vvcorrect vvanswerd.
11. vvWhat vvapplies vvto vvthe vvcapacities vvbelow vvthe vvbold vvline vvshown vvon vva vvload vvchart?
a. vvThey vvare vvbased vvon vvthe vvstructural vvstrength vvof vvthe vvcrane vv
b. vvThey vvmust vvnot vvbe vvused vv
c. vvThey vvare vvbased vvon vvthe vvstability vvof vvthe vvcrane vv
d. vvThey vvshould vvonly vvbe vvused vvif vvthe vvcrane vvis vvset vvup vvon vvoutriggers vv- vvcorrect vvanswerc.
12. vvIn vvwhich vvquadrant vvare vvrough vvterrain vvcrane vvcapacities vvgenerally vvgreater?
a. vvOver vvthe vvfront vv
b. vvOver vvthe vvrear vv
c. vvOver vvthe vvright vvside vv
d. vvOver vvthe vvleft vvside vv- vvcorrect vvanswera.
13. vvAccording vvto vvfederal vvrequirements, vvunder vvwhat vvconditions vvis vvit vvokay vvfor vva vvperson vvto vvride
vvthe vvheadache vvball?
