NCCCO test #3 UPDATED ACTUAL Exam
Questions and 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
During assembly where should you attach slings to lift boom sections? - CORRECT
ANSWER - End fittings
Which boom configuration can cause the most hazardous boom side-loading condition? -
CORRECT ANSWER - Long boom with a minimum radius
When is it safe to handle loads under power lines? - CORRECT ANSWER - The load nor
any part of the crane can come closer than regulations allow
On a lattice boom truck crane, boom angle is measured between the centerline of the: -
CORRECT ANSWER - Loaded boom and the horizontal
Questions and 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
During assembly where should you attach slings to lift boom sections? - CORRECT
ANSWER - End fittings
Which boom configuration can cause the most hazardous boom side-loading condition? -
CORRECT ANSWER - Long boom with a minimum radius
When is it safe to handle loads under power lines? - CORRECT ANSWER - The load nor
any part of the crane can come closer than regulations allow
On a lattice boom truck crane, boom angle is measured between the centerline of the: -
CORRECT ANSWER - Loaded boom and the horizontal
