NCCCO Test 1 | 50 Questions with 100% Correct Answers | Verified | Latest Update
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.
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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
When lifting personnel in a man-basket using 6x19 wire rope, the minimum safety factor is? - ✔✔7
What is the safety factor required when using non rotating wire rope and lifting personnel in a man- basket? - ✔✔10
Who has the responsibility for determining the correct weight of a load? - ✔✔Supervisor
When working near power lines, when is a signal person required? - ✔✔When crane moves within a boom's length of power lines.
When an operator leaves the crane, he must first: - ✔✔Put the load on the ground and put all dogs or pawls in.
If replacing the hoist line wire rope on a crane, how do you determine the size of type of wire rope to use? - ✔✔Use Manufacturer's operators manual or load chart.
After the crane has been checked out and before crane lift operations begin, the crew should: - ✔✔Have a pre-lift meeting
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