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NCCCO Core Practice ( / ) Questions WITH Correct Answers Rated A+
what is important for the operator to do when extwnding the outriggers - CORRECT ANSWER - make visual contact or post a signalperson
what is the minimum swing clearance required between the crane counterweight and any obstacle - CORRECT ANSWER -2ft of 360 degree rotation
what function do axle lockouts (osicillation locks) perform on a rough terrain crane ? - CORRECT ANSWER -locks the rear axle and prevents oscillation
what should be primary cocern of an operator when setting up a crane on construction site with newly constructerd buildings - CORRECT ANSWER -site compaction
what is the the purpose of placing mats or cribbing under outriggers floats - CORRECT ANSWER - to distribute the force when on soft ground
what can happen as a result of the vibrations caused a working crane - CORRECT ANSWER - underground utilities may collapse
what should be avoided when setting up crane for work - CORRECT ANSWER -any area near a trench
what is the purpose of placing the timber blocking under the ends of the crawler tracks - CORRECT ANSWER -make the crane more stable
when may blocking be placed under the outriggers beams - CORRECT ANSWER -blocking is never to be placed under beams
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