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