NCCCO Practice Q uestions and correct
Answers
A correct statement about installing a pin-connected lattice boom on mobile crane is
that the
A. boom hoist pawl should be used during the installation
B. crane should not be on outriggers during the installation
C. boom hoist brake should be used to hold the boom
D. pins can be removed from underneath the boom -- correct ans--A
Arycrawlerrycraneryisrybasedryonry___________rystabilityryofrystaticryload
A.ry100%
B.ry85%
C.ry75%
D.ry20%ry--rycorrectryans--C
Arycrawlerrycranerytravelingryforwardryisrydefinedryasrytravelingryinrytherydirectionryofry
A.ryaryload
B.rytherybullrygear
C.rytherydriverysprocketry
D.rytheryidlerry--rycorrectryans--D
Blockingrycanryberyplacedryunderrytheryendsryofrytracksryto:
A.rystoprytherycraneryfromryslidingryunexpectedly
B.rystoprycraneryfromrytravelingryunexpectedly
C.ryincreaserytherycrane'srystabilityrywhenryoperatingryoverrysidery
D.ryincreaserytherycrane'srystabilityrywhenryoperatingryoverryfrontryorrybackry--rycorrectryans--D
Craneryconfigurationryincludes:ry
A.ryreeving,ryboomrylength,rycounterweight,ryonryoutriggers,ryonryrubbers,ryextensionsryorryjibsrys
towedryorrymounted,ryoffrysets,rywireryroperytyperyorryconstructionry
B.ryhoistrydrumryspeeds,rylinerypull,rywireryroperysizeryandryriggingry
C.ryloadrycharts,ryLMI,ryaxleryweightsryandrycenterryofrygravityry
D.rydrumryrotationryindicator,ryanti-tworyblock,ryaxlerylockryouts,ryandrypositiveryhouserylockry--
rycorrectryans--A
Howrydoesrytheryoperatorrydeterminerytherymanufacturersryrecommendedryroperyforrytherycrane
?ry
A.rycountrytherysheavesryinrytheryboomrytipryandrydividerytherypotentialrypartsryintorytherycranesryca
pacity,rythenrydeterminerytheryproperrycarery
B.ryreadrytherymanufacturerryloadrychartryorryoperatorrymanualry
C.rymeasurerytheryroperyandrydeterminerycapacityryaccordingrytorysizery
Answers
A correct statement about installing a pin-connected lattice boom on mobile crane is
that the
A. boom hoist pawl should be used during the installation
B. crane should not be on outriggers during the installation
C. boom hoist brake should be used to hold the boom
D. pins can be removed from underneath the boom -- correct ans--A
Arycrawlerrycraneryisrybasedryonry___________rystabilityryofrystaticryload
A.ry100%
B.ry85%
C.ry75%
D.ry20%ry--rycorrectryans--C
Arycrawlerrycranerytravelingryforwardryisrydefinedryasrytravelingryinrytherydirectionryofry
A.ryaryload
B.rytherybullrygear
C.rytherydriverysprocketry
D.rytheryidlerry--rycorrectryans--D
Blockingrycanryberyplacedryunderrytheryendsryofrytracksryto:
A.rystoprytherycraneryfromryslidingryunexpectedly
B.rystoprycraneryfromrytravelingryunexpectedly
C.ryincreaserytherycrane'srystabilityrywhenryoperatingryoverrysidery
D.ryincreaserytherycrane'srystabilityrywhenryoperatingryoverryfrontryorrybackry--rycorrectryans--D
Craneryconfigurationryincludes:ry
A.ryreeving,ryboomrylength,rycounterweight,ryonryoutriggers,ryonryrubbers,ryextensionsryorryjibsrys
towedryorrymounted,ryoffrysets,rywireryroperytyperyorryconstructionry
B.ryhoistrydrumryspeeds,rylinerypull,rywireryroperysizeryandryriggingry
C.ryloadrycharts,ryLMI,ryaxleryweightsryandrycenterryofrygravityry
D.rydrumryrotationryindicator,ryanti-tworyblock,ryaxlerylockryouts,ryandrypositiveryhouserylockry--
rycorrectryans--A
Howrydoesrytheryoperatorrydeterminerytherymanufacturersryrecommendedryroperyforrytherycrane
?ry
A.rycountrytherysheavesryinrytheryboomrytipryandrydividerytherypotentialrypartsryintorytherycranesryca
pacity,rythenrydeterminerytheryproperrycarery
B.ryreadrytherymanufacturerryloadrychartryorryoperatorrymanualry
C.rymeasurerytheryroperyandrydeterminerycapacityryaccordingrytorysizery
