1 ....COPYRIGHT - NCCCO test #4 Answers Jib offset is the jib ang...

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NCCCO test #4 Answers

Jib offset is the jib angle to the - ANSWER-Boom

All hazards and problems that are found on the worksite should be identified: -

ANSWER-At the preoperational worksite inspection

Which of the following OSHA regulations govern suspended personnel platforms:

- ANSWER-OSHA 1926. 1431

According to OSHA 1926.1408 the prohibited zone for powerlines that are 60 Kv

is: - ANSWER-15 feet

What percentage of the gross capacity is used when lifting with more than one crane? - ANSWER-75% You are required to pass a physical exam every________ years according to ASME B30.5 - ANSWER-3 years How many broken wires at an end socket of a standing wire rope allowed before the wire rope must be replaced? - ANSWER-1 1 / 2

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When operating a mobile crane, you inspect your running wire rope at least: -

ANSWER-Prior to each shift When lifting a load with more than one crane, it is important to - ANSWER-Keep the hoist lines of both cranes vertical

Location resistant wire rope has a design factor of: - ANSWER-5 to 1

Line pull is - ANSWER-The amount of weight a drum will hoist over a given layer Boom length is - ANSWER-Center of the foot pins to the center of the head sheave pins

The weight of the stowed Jim use in the load calculation is: - ANSWER-Effective

weight

Hey cranes rated capacity is based upon: - ANSWER-Structural and stability

When lifting a suspended personnel platform the safety factor for the rigging

hardware is: - ANSWER-Five times the intended load

If using cranes of different rated capacities, the crane with the larger rated capacity:

• ANSWER-Should be hooked a distance closer to the loads center of gravity

Hoist ropes that are not rotation resistant must have a design factor of - ANSWER-3.5 to 1

Backward stability on an RT crane could be a problem when the crane is working:

• ANSWER-Over the side at a minimum radius
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