Crane Exam QA - rope from service Correct Answer: Question 2: W...

NCCCO Lattice Boom Crawler Crane Exam Q&A Pack (LATEST

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Question 1:

How many random broken wires must there be to remove a running wire rope from service

Correct Answer:

6

Question 2:

When a crawler crane is on a barge, the list chart must be provided by the

Correct Answer:

Manufacturer

Question 3:

Mats are usually _____ to hold together.

Correct Answer:

Bolted

Question 4:

When is it safe to work near de-energized power-lines?

Correct Answer:

When utility company says lines are de-energized and have been visibly grounded at the work site.

Question 5:

What is the safety factor required when using non rotating wire rope and lifting personnel in a man basket

Correct Answer:

10

Question 6:

The main purpose of a gantry or a mast on a crane is:

Correct Answer:

To increase the crane's leverage on the boom

Question 7:

When operating near powerlines, how far must you be if the voltage is >350-500 kV

Correct Answer:

25'

Question 8:

Your crawler crane is on a barge, it is necessary to:

Correct Answer:

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