FREE NCCCO Knowledge Questions and Answers

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When lifting with crawler cranes, which boom position would result in the most ground pressure?

Correct! Wrong!

Which accessible section of a working crane must to be blocked off all the time, according to OSHA?

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What happens if you place timber blocking beneath a crawler crane's track tips?

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In the context of load capacity charts, what does "jib angle to ground" mean?

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What is the minimal distance under $50,000 that can be kept between a crane and electrical lines?

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When operating at ground floor level close to a cellar wall, where should the outrigger pads or tracks of the crane be positioned?

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What is the boom hoisting sheaves' minimum pitch diameter?

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When ought one to employ a tagline?

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What is the rotation resistant rope's safety factor for lifting people?

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What is the load block sheaves' minimum pitch diameter?

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When can outrigger beams be covered with blocking (cribbing)?

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