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CCO PRACTICE EXAM QUESTIONS WITH COMPLETE SOLUTIONS!!
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CCO PRACTICE EXAM QUESTIONS WITH COMPLETE SOLUTIONS!!
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CCO PRACTICE EXAMQUESTIONS WITH
COMPLETE
SOLUTIONS!!
CCO
Evatee 9/26/24 CCO
,CCO PRACTICE EXAM QUESTIONS WITH
COMPLETE SOLUTIONS!!
When working on rubber, cranes are rated at what percentage of tipping:
a) 70%
b) 75%
c) 80%
d) 85% Answer - 75%
When a crane is working "on outriggers" the only time they should be less than
fully extended is when:
a) working alongside the highway and cannot block a lane
b) you are handling light loads
c) the main boom is being lifted
d) there is a load chart for this operation Answer - there is a load chart for this
operation
A truck crane set up with the outriggers extended and set, and tires touching
the ground, the operator should refer to what load chart:
a) intermediate chart
b) over the front chart
c) on rubber chart
d) 85% of the main chart Answer - on rubber chart
Blocking paced under the ends of crawler tracks will:
, a) increase the crane's stability when operating over front or back
b) increase the crane's stability when operating over side
c) stop crane from traveling unexpectedly
d)stop crane from sliding unexpectedly Answer - increase the crane's stability
when operating over front or back
What quadrant produces the least amount of ground pressure on a lattice
crawler:
a) corner
b) side
c) front
d) rear Answer - side
During assembly where should you attach slings to lift boom sections:
a) to the top of main chords
b) to the top end fittings
c) 2 feet from end of section
d) center of boom section Answer - to the top end fittings
When a lattice boom truck crane is set up on outriggers, the floats or pads
should always be:
a) large enough to support two times the applied load
b) with the tires firmly on the ground
c) secured to the outriggers
d) placed on the mats Answer - secured to the outriggers
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