Nccco core EXAM - - When a crane is out of level by 1° it will los...

Nccco core EXAM - GRADE What is not a good location for crane set up - answer>>Above utilities

When a crane is out of level by 1° it will lose the most capacity at what configuration - answer>>Long boom minimum radius

What is the purpose of using a spreader beam - answer>>Support long hard to control loads

Which of the following actions is most likely to cause two blocking - answer>>Telescoping the boom out

When is it safe to handle loads under powerlines - answer>>The load know where any part of the crane can come closer than regulations allow

When working your power lines tag lines and slings should be constructed of - answer>>Probably propylene or polyethylene and webbing because they offer a fair insulating properties

When reading a load chart the listed capacity has an Asterix next to it this means - answer>>The capacities are based on the cranes structural competence

If an operator arrives at a job site and the crane is already set up how would he checked the main an auxiliary breaks - answer>>Left the load a few inches off the ground and test the brakes

Tipping capacities for crawler cranes are based on - answer>>75% 1 / 4

The term load radius is best defined as - answer>>The distance from the center of rotation of the crane to the center of gravity of the suspended load

Should the load be applied when determining the proper boom angle - answer>>Yes

When telescoping the boom section of a rubber tire which section should be telescoped first - answer>>All sections should be telescoped equally

Hooks must be discarded if a twist more than is found - answer>>0 degrees

Hooks must be discarded if a throat opening of more than is found - answer>>5°

Wire rope must be removed from service if any of the following conditions exist - answer>>Six randomly distributed broken wires Wear of more than 1/3 of the outside diameter three broken wires and one strand of one lay length

When arriving first on the job site the operator should first determine the condition of the - answer>>Access roads

Basket hitch is rated of a vertical hitch - answer>>200%

How many broken wires must be present in one strand of one lay for running wire rope to be removed from service - answer>>3

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How many broken wires must be present in rotation resistant wire rope to be removed from service - answer>>2 in six diameters

What is the minimum clearance needed between cranes counterweight and any obstacle - answer>>2 feet

To restrict access to a crane swing radius the operator must - answer>>Barricade the area around the crane

You should always have at least how many wraps on A hoist drum - answer>>2

When working around powerlines you must - answer>>Never stockpile material under powerlines Maintain the correct distance according to the rated KV Ground the crane with the proper grounding cable

Boom angle is best described as - answer>>The angle between the loaded boom and the horizontal

What is the best procedure to follow when underground utilities may be present - answer>>Contact local utility company

When using cable or nylon spreaders it is important to remember - answer>>The lower the spreader angle the greater the tension

When is spinning load presents a danger the operator should - answer>>Use a tagline

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Parts of line means - answer>>The number of lines running through the load block

A sudden start or stop while operating a crane produces - answer>>A dynamic load

What percent of a cranes rated capacity is it classified as a critical lift - answer>>75%

If taking sides strain on a boom what concerns the operator the most - answer>>Boom damage

If a crane load chart has capacities listed in the shaded area this means that - answer>>If overloaded structural confidence will be compromised

As the layers of rope on a drum increase the allowable line Pull wil - answer>>Decrease

Of the following actions which one will most likely cause a side load condition - answer>>Abruptly starting or stopping the swing

Cording to OSHA with any hook ball or attachment at its lowest point a minimum of blank reps must remain on the drum at all times - answer>>2

What is the minimum distance of crane must maintain from powerlines rated below 50 KV - answer>>10 feet

What is the best procedures to follow if underground utilities are present - answer>>Contact utility company

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