NCCCO Test 3 | 50 Questions with 100% Correct Answers | Verified | Latest Update
The crane is out of level, you release the swing break, the boom swings downhill, your: - ✔✔Load radius increases
Blocking can be placed under the ends of tracks to: - ✔✔Increase the cranes stability when Operating over front or back
What quadrant produces the least amount of ground pressure on a lattice crawler: - ✔✔Side
On lattice boom crane's fitted with power load Lowering , a heavy load should be lowered by using the: - ✔✔Power Load-lowering feature and the foot break
Abruptly stopping a rapid swing on a long-boom mobile crane will produce what major effect? - ✔✔Overturning the crane or collapsing the boom
When the boom handle is released to it center position, which action should be expected? - ✔✔The boom hoist will be held stationary
On a lattice boom crawler crane, the main boom length is measured from the: - ✔✔Center of the boom heal pins to the center of the boom tip sheave
You can't level your crawler crane: - ✔✔Don't operate crane
What affect does having the crawlers retracted have on a crawler crane with a long boom? - ✔✔Decrease in capacity
Your crawler crane is on a barge, it is necessary to: - ✔✔Secure the crane to the barge 1 / 2
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? - ✔✔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: - ✔✔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? - ✔✔1
If high winds are expected and the lattice boom crane must be secured pointing into the wind, then the hook should be: - ✔✔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? - ✔✔10ft
During assembly where should you attach slings to lift boom sections? - ✔✔End fittings
Which boom configuration can cause the most hazardous boom side-loading condition? - ✔✔Long boom with a minimum radius
When is it safe to handle loads under power lines? - ✔✔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: - ✔✔Loaded boom and the horizontal
When a lattice boom truck crane is lifting on outriggers, the floats or pad should always be: - ✔✔Secured to the outriggers
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