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5.0 Sunday, 02 March Nccco core practice quiz Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+

Quiz: what is important for the operator to do when extwnding the

outriggers

Ans: make visual contact or post a signalperson

Quiz: what is the minimum swing clearance required between the

crane counterweight and any obstacle

Ans: 2ft of 360 degree rotation

Quiz: what function do axle lockouts (osicillation locks) perform on

a rough terrain crane ?

Ans: locks the rear axle and prevents oscillation

Quiz: what should be primary cocern of an operator when setting

up a crane on construction site with newly constructerd buildings

Ans: site compaction

Quiz: what is the the purpose of placing mats or cribbing under

outriggers floats

Ans: to distribute the force when on soft ground

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Quiz: what can happen as a result of the vibrations caused a

working crane

Ans: underground utilities may collapse

Quiz: what should be avoided when setting up crane for work

Ans: any area near a trench

Quiz: what is the purpose of placing the timber blocking under the

ends of the crawler tracks

Ans: make the crane more stable

Quiz: when may blocking be placed under the outriggers beams

Ans: blocking is never to be placed under beams

Quiz: when lifting with crawler crane how can groudn bearing

pressure be reduced

Ans: lift over the side

Quiz: when working aroud energized high voltage power lines an

operator should never

Ans: allow anyone standing on the ground to touch the crane

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