NCCCO Test 3 Questions with 100 Verified Correct

NCCCO Test #3 Questions with 100% Verified Correct Answers / The crane is out of level, you release the swing break, the boom swings downhill, your: - Correct Answers Load radius increases Blocking can be placed under the ends of tracks to: - Correct Answers Increase the cranes stability when Operating over front or back What quadrant produces the least amount of ground pressure on a lattice crawler: - Correct Answers Side On lattice boom crane's fitted with power load Lowering , a heavy load should be lowered by using

the: - Correct Answers 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 Answers Overturning the crane or collapsing the boom When the boom handle is released to it center position, which action should be expected? - Correct Answers The boom hoist will be held stationary On a lattice boom crawler crane, the main boom length is measured from the: - Correct Answers Center of the boom heal pins to the center of the boom tip sheave

You can't level your crawler crane: - Correct Answers Don't operate crane

What affect does having the crawlers retracted have on a crawler crane with a long boom? - Correct Answers Decrease in capacity Your crawler crane is on a barge, it is necessary to: - Correct Answers 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 Answers Lower connecting pins, located at and ahead of the equalizer 1 / 2

When using a mobile crane on a barge, the cranes load capacity chart shall be: - Correct Answers 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 Answers 1 If high winds are expected and the lattice boom crane must be secured pointing into the wind, then the hook should be: - Correct Answers 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 Answers 10ft During assembly where should you attach slings to lift boom sections? - Correct Answers End fittings Which boom configuration can cause the most hazardous boom side-loading condition? - Correct Answers Long boom with a minimum radius When is it safe to handle loads under power lines? - Correct Answers 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 Answers Loaded boom and the horizontal When a lattice boom truck crane is lifting on outriggers, the floats or pad should always be: - Correct Answers Secured 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: - Correct Answers Cantilever length When lattice boom is being disassembled or shortened, it is extremely important to: - Correct Answers Never touch any pin on any boom section located between pendent attachment points and the crane When installing a pin-connected lattice boom on a mobile crane you should always: - Correct Answers Use the boom hoist Pawl to hold the boom

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