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NCCCO Questions Test 1 Questions and Answers
Where is the best location for leveling a crane? - ANSWER-Upperworks
When determining the "gross load" the best method is: - ANSWER-Get an
accurate load weight and add the rigging.By order of hitch strength, which is the correct answer? - ANSWER-Basket, vertical, choker What is the purpose of using a jib? - ANSWER-Increase height When taking a side strain on a boom, what concerns the operator most? - ANSWER-Boom damage You should always have at least how many wraps on a hoist drum? - ANSWER-2
On a load chart, values above the bold line mean: - ANSWER-Capacities based on
structural competence.
The primary purpose for a rooster sheave or Auxiliary boom point is to: -
ANSWER-Separate the hoist lines. 1 / 2
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What is the proper procedure when using an insulating link or a boot near power lines? - ANSWER-Be sure to maintain the correct allowable distance from the lines.
When the number of layers of rope on a drum increases, the: - ANSWER-
Allowable line pull decreases.What is the minimum allowable distance from the crane and power lines under 50kV? - ANSWER-10 ft.The term "Upperworks or Superstructure" refer to the area of the crane: - ANSWER-Above the turntable
Side loading may be caused by: - ANSWER-Starting or stopping the swing too
rapidly.What is the best procedure to follow when underground utilities may be present? - ANSWER-Contact local utility company
Eccentric main boom tip reeving causes: - ANSWER-Twisting of the boom
How many randomly broken wires must there be to remove a running wire rope from service? - ANSWER-6 When lifting personnel in a man-basket using 6x19 wire rope, the minimum safety factor is? - ANSWER-7
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