NCCCO Questions Test 1 Questions and Answers

NCCCO Questions Test 1 Questions and Answers 100% Correct - | Graded A+ 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.

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 1 / 2

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

What is the safety factor required when using non rotating wire rope and lifting personnel in a man-basket? - Answer 10

Who has the responsibility for determining the correct weight of a load? - Answer Supervisor

When working near power lines, when is a signal person required? - Answer When crane moves within a boom's length of power lines.

When an operator leaves the crane, he must first: - Answer 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? - Answer Use Manufacturer's operators manual or load chart.

After the crane has been checked out and before crane lift operations begin, the

crew should: - Answer Have a pre-lift meeting

According to ANSI B30.5 personnel platform lifts should not be made with wind in

excess of: - Answer 20 mph

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