NCCCO test #3 Correct Questions & Answers(RATED A+)
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NCCCO t #3
Institution
NCCCO T #3
The crane is out of level, you release the swing break, the boom swings downhill, your: - ANSWERLoad radius increases
Blocking can be placed under the ends of tracks to: - ANSWERIncrease the cranes stability when Operating over front or back
On lattice boom crane's fitted with power load Lowe...
NCCCO test #3 Correct Questions &
Answers(RATED A+)
The crane is out of level, you release the swing break, the boom swings downhill, your: -
ANSWERLoad radius increases
Blocking can be placed under the ends of tracks to: - ANSWERIncrease the cranes stability when
Operating over front or back
On lattice boom crane's fitted with power load Lowering , a heavy load should be lowered by using
the: - ANSWERPower Load-lowering feature and the foot break
Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effect? -
ANSWEROverturning the crane or collapsing the boom
When the boom handle is released to it center position, which action should be expected? -
ANSWERThe boom hoist will be held stationary
What quadrant produces the least amount of ground pressure on a lattice crawler: - ANSWERSide
On a lattice boom crawler crane, the main boom length is measured from the: - ANSWERCenter of
the boom heal pins to the center of the boom tip sheave
You can't level your crawler crane: - ANSWERDon't operate crane
What affect does having the crawlers retracted have on a crawler crane with a long boom? -
ANSWERDecrease in capacity
Your crawler crane is on a barge, it is necessary to: - ANSWERSecure 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? - ANSWERLower
connecting pins, located at and ahead of the equalizer
, When using a mobile crane on a barge, the cranes load capacity chart shall be: - ANSWERReplaced by
a list chart
Which boom configuration can cause the most hazardous boom side-loading condition? -
ANSWERLong boom with a minimum radius
When is it safe to handle loads under power lines? - ANSWERThe 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: -
ANSWERLoaded boom and the horizontal
How many broken wires are permitted at the end connection of a pendant before it must be taken
out of service? - ANSWER1
If high winds are expected and the lattice boom crane must be secured pointing into the wind, then
the hook should be: - ANSWERSecured 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? - ANSWER10ft
During assembly where should you attach slings to lift boom sections? - ANSWEREnd fittings
When a lattice boom truck crane is lifting on outriggers, the floats or pad should always be: -
ANSWERSecured to the outriggers
Manufacturer specifications permit only a certain amount of boom to be suspended out past the
connection point of the pendants during assembly or disassembly of the boom. The portion of boom
that is suspended in this way is called the: - ANSWERCantilever length
When lattice boom is being disassembled or shortened, it is extremely important to: - ANSWERNever
touch any pin on any boom section located between pendent attachment points and the crane
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