NCCCO QUESTIONS TEST #1
QUESTIONS AND ANSWERS
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
Side loading may be caused by: - ANSWER -Starting or stopping the swing too rapidly.
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
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
QUESTIONS AND ANSWERS
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
Side loading may be caused by: - ANSWER -Starting or stopping the swing too rapidly.
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
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
