NCCCO CORE FINAL EXAM ACTUAL

NCCCO CORE FINAL EXAM (ACTUAL)

Can a cranes lifting capacity be lower than its net capacity? - ANSWERS-Yes

What should be done if the operator cannot see the outriggers for extension? - ANSWERS-Use a signal person

Name The three ways that two blocking can occur? - ANSWERS-extending boom, hoisting or lowering the boom

According to ASME Be 30.5 where should a portable fire extinguisher shall be installed? - ANSWERS-In the cab or at the machinery housing

Where should the tools be kept on a crane when they're not being used? - ANSWERS-Toolbox

When replacing a wire rope on a crane you should always come off the: -

ANSWERS-Top of the reel to the top of the drum

To prevent wire rope from coming off the drum, the flange must remain at least _____ inches above the top layer - ANSWERS-1/2

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The term superstructure or upper works referred to: - ANSWERS-Above the

turntable

Which of the following will increase the capacity of the crane? - ANSWERS-Boom up

What can be used to determine approximately distance for planning a lift or determined tip elevations? - ANSWERS-Range diagram

Where should the electrocution decals be placed on the crane ? - ANSWERS-In the cab and on both sides of the crane

According to OSHA 1926.1433, what should be on the crane? - ANSWERS-Fire extinguisher

The term backward stability means: - ANSWERS-The Crane's ability to resist

overturning backward

Which of the following would create the most concern for backwards stability? - ANSWERS-Fully retracted outriggers swung over the side

Which of the following would create the most concern for backwards debility? - ANSWERS-Low boom angle

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What is the most important factor when determining the capacity of the jib ? - ANSWERS-Angle

When is it OK to side load the boom of the Crane? - ANSWERS-Only when freely suspended loads

On a boom truck, what is the normally the strongest quadrant? - ANSWERS-Rear

What is a temporary alternative measure if the anti-two block is not functioning properly? - ANSWERS-Report the deficiency to your supervisor and mark the cable

When should the crane operator check operational aids? - ANSWERS-Daily

Which of the following is an accurate statement about luffing jibs? - ANSWERS-It raises and lowers independent from the boom

What is the weakest quadrant of a boom truck? - ANSWERS-Front

What effect would blocking up the ends of the tracks have on a crane? - ANSWERS-It would increase capacity over the ends

The tipping axis of a crawler crane is? - ANSWERS-It depends if the idler or sprocket are offset from track rollers 3 / 4

According to ASME B30.5 what percentage should not be exceeded on a mobile crane during a load test? - ANSWERS-100%

From strongest to weakest put the following hitches in order - ANSWERS-Basket, vertical, choker

Which of the following should synthetic slings not be used around? - ANSWERS- Acid

How often should you inspect a running rope? - ANSWERS-Daily

The radius on a crane chart refers to? - ANSWERS-Center of rotation to center of gravity of the load or hook

What percentage is the manufacture rate of capacity of a mobile crane on outriggers? - ANSWERS-85%

What percentage is the manufacture rated capacity of a rough terrain crane on rubber? - ANSWERS-75%

What is Lay length? - ANSWERS-The distance required for a strand to make a complete revolution around the rope

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