1 ....COPYRIGHT - NCCCO test #3 Answers The crane is out of level...

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NCCCO test #3 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 1 / 2

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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

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