NCCCO Questions Test 1 Exam- 50

NCCCO Questions Test 1 Exam- 50 Questions & Answers 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.-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

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