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NCCCO Questions Test 1 With Answers Graded A
Where is the best location for leveling a crane? - Upperworks
When determining the "gross load" the best method is: - Get an accurate load weight and add the rigging.
By order of hitch strength, which is the correct answer? - Basket, vertical, choker
What is the purpose of using a jib? - Increase height
When taking a side strain on a boom, what concerns the operator most? - Boom damage
You should always have at least how many wraps on a hoist drum? - 2
On a load chart, values above the bold line mean: - Capacities based on structural competence.
The primary purpose for a rooster sheave or Auxiliary boom point is to: - Separate the hoist lines.
What is the proper procedure when using an insulating link or a boot near power lines? - Be sure to maintain the correct allowable distance from the lines.
When the number of layers of rope on a drum increases, the: - Allowable line pull decreases.
What is the minimum allowable distance from the crane and power lines under 50kV? - 10 ft.
The term "Upperworks or Superstructure" refer to the area of the crane: - Above the turntable
Side loading may be caused by: - Starting or stopping the swing too rapidly.
What is the best procedure to follow when underground utilities may be present? - Contact local utility company
Eccentric main boom tip reeving causes: - Twisting of the boom
How many randomly broken wires must there be to remove a running wire rope from service? - 6
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