NCCCO Test #3 Questions and Correct
Answers
The crane is out of level, you release the swing break, the boom swings downhill, your: - Answer-Load
radius increases
Blocking can be placed under the ends of tracks to: - Answer-Increase the cranes stability when
Operating over front or back
What quadrant produces the least amount of ground pressure on a lattice crawler: - Answer-Side
On lattice boom crane's fitted with power load Lowering , a heavy load should be lowered by using the: -
Answer-Power Load-lowering feature and the foot break
Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effect? -
Answer-Overturning the crane or collapsing the boom
When the boom handle is released to it center position, which action should be expected? - Answer-The
boom hoist will be held stationary
On a lattice boom crawler crane, the main boom length is measured from the: - Answer-Center of the
boom heal pins to the center of the boom tip sheave
, You can't level your crawler crane: - Answer-Don't operate crane
What affect does having the crawlers retracted have on a crawler crane with a long boom? - Answer-
Decrease in capacity
Your crawler crane is on a barge, it is necessary to: - Answer-Secure the crane to the barge
A pin connected lattice boom is being dismantled. After connecting the equalizer (bridal) to the
connecting lugs on the boom, which boom connecting pins should be removed first? - Answer-Lower
connecting pins, located at and ahead of the equalizer
When using a mobile crane on a barge, the cranes load capacity chart shall be: - Answer-Replaced by a
list chart
How many broken wires are permitted at the end connection of a pendant before it must be taken out
of service? - Answer-1
If high winds are expected and the lattice boom crane must be secured pointing into the wind, then the
hook should be: - Answer-Secured to a solid structure directly below the boom point.
When assembling a lattice boom on most crawler cranes using inserts of different lengths, which insert
section generally should be closest to the boom foot? - Answer-10ft
During assembly where should you attach slings to lift boom sections? - Answer-End fittings
Which boom configuration can cause the most hazardous boom side-loading condition? - Answer-Long
boom with a minimum radius
Answers
The crane is out of level, you release the swing break, the boom swings downhill, your: - Answer-Load
radius increases
Blocking can be placed under the ends of tracks to: - Answer-Increase the cranes stability when
Operating over front or back
What quadrant produces the least amount of ground pressure on a lattice crawler: - Answer-Side
On lattice boom crane's fitted with power load Lowering , a heavy load should be lowered by using the: -
Answer-Power Load-lowering feature and the foot break
Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effect? -
Answer-Overturning the crane or collapsing the boom
When the boom handle is released to it center position, which action should be expected? - Answer-The
boom hoist will be held stationary
On a lattice boom crawler crane, the main boom length is measured from the: - Answer-Center of the
boom heal pins to the center of the boom tip sheave
, You can't level your crawler crane: - Answer-Don't operate crane
What affect does having the crawlers retracted have on a crawler crane with a long boom? - Answer-
Decrease in capacity
Your crawler crane is on a barge, it is necessary to: - Answer-Secure the crane to the barge
A pin connected lattice boom is being dismantled. After connecting the equalizer (bridal) to the
connecting lugs on the boom, which boom connecting pins should be removed first? - Answer-Lower
connecting pins, located at and ahead of the equalizer
When using a mobile crane on a barge, the cranes load capacity chart shall be: - Answer-Replaced by a
list chart
How many broken wires are permitted at the end connection of a pendant before it must be taken out
of service? - Answer-1
If high winds are expected and the lattice boom crane must be secured pointing into the wind, then the
hook should be: - Answer-Secured to a solid structure directly below the boom point.
When assembling a lattice boom on most crawler cranes using inserts of different lengths, which insert
section generally should be closest to the boom foot? - Answer-10ft
During assembly where should you attach slings to lift boom sections? - Answer-End fittings
Which boom configuration can cause the most hazardous boom side-loading condition? - Answer-Long
boom with a minimum radius
