1 ....COPYRIGHT - NCCCO Questions Test 1 Questions and Answers Wh...

1 ....COPYRIGHT ©️

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

2 ....COPYRIGHT ©️

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

• / 2