NCCCO MOBILE CRANE EXAM
QUESTIONS AND ANSWERS| FALL
2026/27 LATEST
1.QWhatQactionQdoesQaQsignalQpersonQintendQtheQoperatorQtoQperformQifQheQextendsQhisQarmQatQs
houlderQheight,QmakesQaQfistQwithQhisQhand,QandQsticksQhis/herQthumbQup?
a.QBoomQdownQ
b.QSwingQ
c.QBoomQupQ
d.QExtendQboomQ-QCORRECTQANSWERS-c.
2.QWhenQhoistingQpersonnel,QwithinQwhatQpercentageQofQlevelQmustQaQtelescopicQboomQcraneQbe
QinQorderQforQtheQgrossQratingsQinQtheQloadQchartQtoQremainQvalid?
a.Q1%
b.Q2%Q
c.Q5%Q
d.Q8%Q-QCORRECTQANSWERS-a.
3.QTheQloadQlineQofQtheQcraneQyou'reQoperatingQcontactsQanQenergizedQpowerQline.QThere'sQnoQsig
nQofQanyQotherQdanger,QsuchQasQfire.QWhatQshouldQyouQdo?
a.QClimbQdownQcarefullyQfromQtheQcraneQcabQ
b.QJumpQdown,QfeetQtogetherQ
,c.QStayQinQtheQcabQuntilQtheQlinesQareQde-energizedQ
d.QGetQasQfarQawayQfromQtheQcraneQasQpossibleQ-QCORRECTQANSWERS-c.
4.QAccordingQtoQOSHAQ1926.1413,QhowQmanyQrandomlyQdistributedQbrokenQwiresQinQrotation-
resistantQropeQareQcauseQforQreplacementQofQtheQrope?
a.Q1QbrokenQwireQinQ6QropeQdiametersQ
b.Q2QbrokenQwiresQinQ30QropeQdiametersQ
c.Q3QbrokenQwiresQinQoneQstrandQinQoneQlayQ
d.Q2QbrokenQwiresQinQ6QropeQdiametersQ-QCORRECTQANSWERS-d.
5.QWhatQisQtheQnetQcapacityQofQaQcraneQonQmainQboomQunlessQtheQmanufacturerQstatesQotherwis
e?
a.QTheQcapacityQlistedQinQtheQloadQchartQminusQtheQweightQofQtheQriggingQandQallQattachmentsQ
b.QTheQcapacityQlistedQinQtheQloadQchartQplusQtheQweightQofQtheQriggingQandQallQattachmentsQ
c.QTheQcapacityQlistedQinQtheQloadQchartQminusQtheQweightQofQtheQriggingQandQallQattachmentsQnot
QinQuseQ
d.QTheQcapacityQlistedQinQtheQloadQchartQminusQtheQweightQofQtheQriggingQaloneQ-
QCORRECTQANSWERS-a.
6.QWhatQmayQhappenQtoQaQproperlyQriggedQloadQwhenQliftedQoffQtheQgroundQunlessQtheQoperatorQ
takesQaccountQofQboomQdeflection?
a.QItQcouldQswingQoutQawayQfromQtheQcraneQ
b.QItQcouldQswingQinQtowardsQtheQcraneQ
c.QItQcouldQraiseQabsolutelyQverticallyQ
d.QItQcouldQshiftQinQitsQriggingQ-QCORRECTQANSWERS-a.
7.QWhatQStandardQMethodQhandQsignalQisQbeingQillustrated?
, a.QSwingQ
b.QStopQ
c.QEmergencyQStopQ
d.QTravelQ-QCORRECTQANSWERS-a.
8.QWhoQshouldQanQoperatorQrespondQtoQaQ"stop"QsignalQfrom?
a.QAppointedQsignalQpersonQonlyQ
b.QProjectQmanagerQonlyQ
c.QSuperintendentQonlyQ
d.QAnyoneQ-QCORRECTQANSWERS-d.
9.QWhichQareaQdoQtruckQcranesQwithoutQaQ5thQoutriggerQgenerallyQhaveQnoQliftingQcapacityQunless
QtheQmanufacturerQstatesQotherwise?
a.QTheQsideQ
b.QTheQrearQ
c.QTheQfrontQ
d.QTheQoutriggersQ-QCORRECTQANSWERS-c.
10.QWhatQisQtheQdefinitionQofQ"operatingQradius?"
a.QTheQdistanceQfromQtheQbaseQofQtheQboomQtoQtheQcenterQofQtheQloadQb.QTheQdistanceQfromQtheQ
frontQofQtheQcraneQtoQtheQcenterQofQgravityQofQtheQloadQ
c.QTheQdistanceQfromQtheQcenterQofQrotationQofQtheQcraneQtoQtheQcenterQofQtheQloadQ
d.QTheQdistanceQfromQtheQcenterQofQrotationQofQtheQcraneQtoQtheQcenterQofQgravityQofQtheQloadQ-
QCORRECTQANSWERS-d.
11.QWhatQappliesQtoQtheQcapacitiesQbelowQtheQboldQlineQshownQonQaQloadQchart?
QUESTIONS AND ANSWERS| FALL
2026/27 LATEST
1.QWhatQactionQdoesQaQsignalQpersonQintendQtheQoperatorQtoQperformQifQheQextendsQhisQarmQatQs
houlderQheight,QmakesQaQfistQwithQhisQhand,QandQsticksQhis/herQthumbQup?
a.QBoomQdownQ
b.QSwingQ
c.QBoomQupQ
d.QExtendQboomQ-QCORRECTQANSWERS-c.
2.QWhenQhoistingQpersonnel,QwithinQwhatQpercentageQofQlevelQmustQaQtelescopicQboomQcraneQbe
QinQorderQforQtheQgrossQratingsQinQtheQloadQchartQtoQremainQvalid?
a.Q1%
b.Q2%Q
c.Q5%Q
d.Q8%Q-QCORRECTQANSWERS-a.
3.QTheQloadQlineQofQtheQcraneQyou'reQoperatingQcontactsQanQenergizedQpowerQline.QThere'sQnoQsig
nQofQanyQotherQdanger,QsuchQasQfire.QWhatQshouldQyouQdo?
a.QClimbQdownQcarefullyQfromQtheQcraneQcabQ
b.QJumpQdown,QfeetQtogetherQ
,c.QStayQinQtheQcabQuntilQtheQlinesQareQde-energizedQ
d.QGetQasQfarQawayQfromQtheQcraneQasQpossibleQ-QCORRECTQANSWERS-c.
4.QAccordingQtoQOSHAQ1926.1413,QhowQmanyQrandomlyQdistributedQbrokenQwiresQinQrotation-
resistantQropeQareQcauseQforQreplacementQofQtheQrope?
a.Q1QbrokenQwireQinQ6QropeQdiametersQ
b.Q2QbrokenQwiresQinQ30QropeQdiametersQ
c.Q3QbrokenQwiresQinQoneQstrandQinQoneQlayQ
d.Q2QbrokenQwiresQinQ6QropeQdiametersQ-QCORRECTQANSWERS-d.
5.QWhatQisQtheQnetQcapacityQofQaQcraneQonQmainQboomQunlessQtheQmanufacturerQstatesQotherwis
e?
a.QTheQcapacityQlistedQinQtheQloadQchartQminusQtheQweightQofQtheQriggingQandQallQattachmentsQ
b.QTheQcapacityQlistedQinQtheQloadQchartQplusQtheQweightQofQtheQriggingQandQallQattachmentsQ
c.QTheQcapacityQlistedQinQtheQloadQchartQminusQtheQweightQofQtheQriggingQandQallQattachmentsQnot
QinQuseQ
d.QTheQcapacityQlistedQinQtheQloadQchartQminusQtheQweightQofQtheQriggingQaloneQ-
QCORRECTQANSWERS-a.
6.QWhatQmayQhappenQtoQaQproperlyQriggedQloadQwhenQliftedQoffQtheQgroundQunlessQtheQoperatorQ
takesQaccountQofQboomQdeflection?
a.QItQcouldQswingQoutQawayQfromQtheQcraneQ
b.QItQcouldQswingQinQtowardsQtheQcraneQ
c.QItQcouldQraiseQabsolutelyQverticallyQ
d.QItQcouldQshiftQinQitsQriggingQ-QCORRECTQANSWERS-a.
7.QWhatQStandardQMethodQhandQsignalQisQbeingQillustrated?
, a.QSwingQ
b.QStopQ
c.QEmergencyQStopQ
d.QTravelQ-QCORRECTQANSWERS-a.
8.QWhoQshouldQanQoperatorQrespondQtoQaQ"stop"QsignalQfrom?
a.QAppointedQsignalQpersonQonlyQ
b.QProjectQmanagerQonlyQ
c.QSuperintendentQonlyQ
d.QAnyoneQ-QCORRECTQANSWERS-d.
9.QWhichQareaQdoQtruckQcranesQwithoutQaQ5thQoutriggerQgenerallyQhaveQnoQliftingQcapacityQunless
QtheQmanufacturerQstatesQotherwise?
a.QTheQsideQ
b.QTheQrearQ
c.QTheQfrontQ
d.QTheQoutriggersQ-QCORRECTQANSWERS-c.
10.QWhatQisQtheQdefinitionQofQ"operatingQradius?"
a.QTheQdistanceQfromQtheQbaseQofQtheQboomQtoQtheQcenterQofQtheQloadQb.QTheQdistanceQfromQtheQ
frontQofQtheQcraneQtoQtheQcenterQofQgravityQofQtheQloadQ
c.QTheQdistanceQfromQtheQcenterQofQrotationQofQtheQcraneQtoQtheQcenterQofQtheQloadQ
d.QTheQdistanceQfromQtheQcenterQofQrotationQofQtheQcraneQtoQtheQcenterQofQgravityQofQtheQloadQ-
QCORRECTQANSWERS-d.
11.QWhatQappliesQtoQtheQcapacitiesQbelowQtheQboldQlineQshownQonQaQloadQchart?