MOBILE CRANE NCCER STUDY GUIDE
QUESTIONS AND CORRECT VERIFIED
ANSWERS
WhenA2determiningA2theA2"grossA2load"A2theA2bestA2methodA2is:A2-A2Ans--
GetA2anA2accurateA2loadA2weightA2andA2addA2theA2rigging
ByA2orderA2ofA2strengthA2whichA2isA2correctA2-A2Ans--Basket,A2Vertical,A2Choker
PrimaryA2purposeA2forA2aA2rosterA2sheaveA2orA2auxiliaryA2boomA2pointA2sheaveA2isA2to:A2-
A2Ans--SeparateA2theA2hoistA2line
WhenA2theA2numberA2ofA2layersA2ofA2ropeA2onA2aA2drumA2increaseA2theA2:A2-A2Ans--
AllowableA2lineA2pullA2decreases
WhatA2isA2theA2minimumA2allowableA2distanceA2fromA2theA2craneA2andA2powerA2linesA2und
erA250kV?A2-A2Ans--10'
EccentricA2mainA2boomA2tipA2reevingA2casuesA2-A2Ans--twistingA2ofA2theA2boom
HowA2manyA2randomlyA2brokenA2wiresA2mustA2thereA2beA2toA2removeA2aA2runningA2wireA2
ropeA2fromA2service?A2-A2Ans--6
WhenA2workingA2nearA2powerA2linesA2whenA2isA2aA2signalA2personA2required?A2-A2Ans--
WhenA2craneA2movesA2withinA2aA2boomsA2lengthA2ofA2powerA2lines
WhenA2operatingA2truckA2cranesA2whatA2isA2theA2mostA2unstableA2allowableA2quadrantA2of
A2operation?A2-A2Ans--Side
TippingA2capacitiesA2ofA2locomotiveA2cranesA2areA2basedA2onA2whatA2%A2ofA2tipping?A2-
A2Ans--85%
ShouldA2theA2loadA2beA2appliedA2whenA2determiningA2theA2properA2boomA2angle?A2-
A2Ans--YES
WhatA2typeA2ofA2ropeA2isA2recommendedA2forA2aA2taglineA2aroundA2powerlinesA2-A2Ans--
Polypropylene
whatA2doesA2twoA2beepsA2ofA2theA2hornA2indicateA2toA2peopleA2inA2theA2areaA2-A2Ans--
forward
LoadA2radiusA2isA2theA2distanceA2fromA2theA2centerA2ofA2gravityA2ofA2theA2suspendedA2loa
dA2toA2the:A2-A2Ans--CenterA2ofA2rotation
QUESTIONS AND CORRECT VERIFIED
ANSWERS
WhenA2determiningA2theA2"grossA2load"A2theA2bestA2methodA2is:A2-A2Ans--
GetA2anA2accurateA2loadA2weightA2andA2addA2theA2rigging
ByA2orderA2ofA2strengthA2whichA2isA2correctA2-A2Ans--Basket,A2Vertical,A2Choker
PrimaryA2purposeA2forA2aA2rosterA2sheaveA2orA2auxiliaryA2boomA2pointA2sheaveA2isA2to:A2-
A2Ans--SeparateA2theA2hoistA2line
WhenA2theA2numberA2ofA2layersA2ofA2ropeA2onA2aA2drumA2increaseA2theA2:A2-A2Ans--
AllowableA2lineA2pullA2decreases
WhatA2isA2theA2minimumA2allowableA2distanceA2fromA2theA2craneA2andA2powerA2linesA2und
erA250kV?A2-A2Ans--10'
EccentricA2mainA2boomA2tipA2reevingA2casuesA2-A2Ans--twistingA2ofA2theA2boom
HowA2manyA2randomlyA2brokenA2wiresA2mustA2thereA2beA2toA2removeA2aA2runningA2wireA2
ropeA2fromA2service?A2-A2Ans--6
WhenA2workingA2nearA2powerA2linesA2whenA2isA2aA2signalA2personA2required?A2-A2Ans--
WhenA2craneA2movesA2withinA2aA2boomsA2lengthA2ofA2powerA2lines
WhenA2operatingA2truckA2cranesA2whatA2isA2theA2mostA2unstableA2allowableA2quadrantA2of
A2operation?A2-A2Ans--Side
TippingA2capacitiesA2ofA2locomotiveA2cranesA2areA2basedA2onA2whatA2%A2ofA2tipping?A2-
A2Ans--85%
ShouldA2theA2loadA2beA2appliedA2whenA2determiningA2theA2properA2boomA2angle?A2-
A2Ans--YES
WhatA2typeA2ofA2ropeA2isA2recommendedA2forA2aA2taglineA2aroundA2powerlinesA2-A2Ans--
Polypropylene
whatA2doesA2twoA2beepsA2ofA2theA2hornA2indicateA2toA2peopleA2inA2theA2areaA2-A2Ans--
forward
LoadA2radiusA2isA2theA2distanceA2fromA2theA2centerA2ofA2gravityA2ofA2theA2suspendedA2loa
dA2toA2the:A2-A2Ans--CenterA2ofA2rotation