NCCCO test #3 Questions with Correct Answers
The crane is out of level, you release the swing break, the boom swings
downhill, your: Correct Answer-Load radius increases
Blocking can be placed under the ends of tracks to: Correct Answer-
Increase the cranes stability when Operating over front or back
What quadrant produces the least amount of ground pressure on a lattice
crawler: Correct Answer-Side
On lattice boom crane's fitted with power load Lowering , a heavy load
should be lowered by using the: Correct 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? Correct Answer-Overturning the crane or
collapsing the boom
When the boom handle is released to it center position, which action
should be expected? Correct Answer-The boom hoist will be held
stationary
On a lattice boom crawler crane, the main boom length is measured from
the: Correct Answer-Center of the boom heal pins to the center of the
boom tip sheave
, You can't level your crawler crane: Correct Answer-Don't operate crane
What affect does having the crawlers retracted have on a crawler crane
with a long boom? Correct Answer-Decrease in capacity
Your crawler crane is on a barge, it is necessary to: Correct 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? Correct 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: Correct 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? Correct Answer-1
If high winds are expected and the lattice boom crane must be secured
pointing into the wind, then the hook should be: Correct 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? Correct Answer-10ft
The crane is out of level, you release the swing break, the boom swings
downhill, your: Correct Answer-Load radius increases
Blocking can be placed under the ends of tracks to: Correct Answer-
Increase the cranes stability when Operating over front or back
What quadrant produces the least amount of ground pressure on a lattice
crawler: Correct Answer-Side
On lattice boom crane's fitted with power load Lowering , a heavy load
should be lowered by using the: Correct 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? Correct Answer-Overturning the crane or
collapsing the boom
When the boom handle is released to it center position, which action
should be expected? Correct Answer-The boom hoist will be held
stationary
On a lattice boom crawler crane, the main boom length is measured from
the: Correct Answer-Center of the boom heal pins to the center of the
boom tip sheave
, You can't level your crawler crane: Correct Answer-Don't operate crane
What affect does having the crawlers retracted have on a crawler crane
with a long boom? Correct Answer-Decrease in capacity
Your crawler crane is on a barge, it is necessary to: Correct 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? Correct 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: Correct 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? Correct Answer-1
If high winds are expected and the lattice boom crane must be secured
pointing into the wind, then the hook should be: Correct 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? Correct Answer-10ft
