NCCCO LATTICE BOOM CRAWLER CRANE ACTUAL EXAM STUDY QUESTIONS WITH
100% COMPLETE & ACCURATE SOLUTIONS (VERIFIED EXAM)
On a lattice boom crawler crane, the main boom length is measured from the:
Center of the boom heel pins to the center of the boom tip sheave
When making a lift with a lattice boom crawler crane, ground pressure can be reduced by
lifting over the
Side
Pendant spreader bars on long booms are used to prevent
Main pendants from scrubbing the boom sides
By order of hitch strength, which is the correct answer
Basket, vertical, choker
When taking a side strain on a boom, what concerns the operator most
Boom Damage
You should always have at least how many wraps on a hoist drum
2
,The primary purpose for a rooster sheave or auxiliary boom point sheave is to
Separate the whip and main hoist lines
When operating near powerlines, how far must you be if the voltage is >50-200
15'
When operating near powerlines, how far must you be if the voltage is >200-350 kV
20'
When operating near powerlines, how far must you be if the voltage is >350-500 kV
25'
When operating near powerlines, how far must you be if the voltage is >500to 750 kV
35'
When operating near powerlines, how far must you be if the voltage is >750-1000 kV
45'
When operating near powerlines, how far must you be if the voltage is >1000 kV
Determined by utility/owner
, What is the proper procedure when using insulating link or boot near power lines
Be sure to maintain correct allowable distance from lines
When the number of layers of rope on a drum increases
The line pull decreases
The term upper-works or superstructure refer to the area of the crane
Above the turntable
Side loading may be caused by
Starting or stopping the swing too rapidly
What is the best procedure to follow when underground utilities may be present
Contact local utility company
How many random broken wires must there be to remove a running wire rope from service
6
100% COMPLETE & ACCURATE SOLUTIONS (VERIFIED EXAM)
On a lattice boom crawler crane, the main boom length is measured from the:
Center of the boom heel pins to the center of the boom tip sheave
When making a lift with a lattice boom crawler crane, ground pressure can be reduced by
lifting over the
Side
Pendant spreader bars on long booms are used to prevent
Main pendants from scrubbing the boom sides
By order of hitch strength, which is the correct answer
Basket, vertical, choker
When taking a side strain on a boom, what concerns the operator most
Boom Damage
You should always have at least how many wraps on a hoist drum
2
,The primary purpose for a rooster sheave or auxiliary boom point sheave is to
Separate the whip and main hoist lines
When operating near powerlines, how far must you be if the voltage is >50-200
15'
When operating near powerlines, how far must you be if the voltage is >200-350 kV
20'
When operating near powerlines, how far must you be if the voltage is >350-500 kV
25'
When operating near powerlines, how far must you be if the voltage is >500to 750 kV
35'
When operating near powerlines, how far must you be if the voltage is >750-1000 kV
45'
When operating near powerlines, how far must you be if the voltage is >1000 kV
Determined by utility/owner
, What is the proper procedure when using insulating link or boot near power lines
Be sure to maintain correct allowable distance from lines
When the number of layers of rope on a drum increases
The line pull decreases
The term upper-works or superstructure refer to the area of the crane
Above the turntable
Side loading may be caused by
Starting or stopping the swing too rapidly
What is the best procedure to follow when underground utilities may be present
Contact local utility company
How many random broken wires must there be to remove a running wire rope from service
6
