Where is the best location for leveling a crane? - CORRECT ANSWER-Upperworks
When determining the "gross load" the best method is: - CORRECT ANSWER-Get an accurate load weight and add the rigging.
By order of hitch strength, which is the correct answer? - CORRECT ANSWER-Basket, vertical, chok...
Where is the best location for leveling a crane? - CORRECT ANSWER-Upperworks
When determining the "gross load" the best method is: - CORRECT ANSWER-Get an
accurate load weight and add the rigging.
By order of hitch strength, which is the correct answer? - CORRECT ANSWER-Basket,
vertical, choker
What is the purpose of using a jib? - CORRECT ANSWER-Increase height
When taking a side strain on a boom, what concerns the operator most? - CORRECT
ANSWER-Boom damage
You should always have at least how many wraps on a hoist drum? - CORRECT
ANSWER-2
On a load chart, values above the bold line mean: - CORRECT ANSWER-Capacities
based on structural competence.
The primary purpose for a rooster sheave or Auxiliary boom point is to: - CORRECT
ANSWER-Separate the hoist lines.
What is the proper procedure when using an insulating link or a boot near power lines? -
CORRECT ANSWER-Be sure to maintain the correct allowable distance from the lines.
When the number of layers of rope on a drum increases, the: - CORRECT ANSWER-
Allowable line pull decreases.
, What is the minimum allowable distance from the crane and power lines under 50kV? -
CORRECT ANSWER-10 ft.
The term "Upperworks or Superstructure" refer to the area of the crane: - CORRECT
ANSWER-Above the turntable
Side loading may be caused by: - CORRECT ANSWER-Starting or stopping the swing
too rapidly.
What is the best procedure to follow when underground utilities may be present? -
CORRECT ANSWER-Contact local utility company
Eccentric main boom tip reeving causes: - CORRECT ANSWER-Twisting of the boom
How many randomly broken wires must there be to remove a running wire rope from
service? - CORRECT ANSWER-6
When lifting personnel in a man-basket using 6x19 wire rope, the minimum safety factor
is? - CORRECT ANSWER-7
What is the safety factor required when using non rotating wire rope and lifting
personnel in a man-basket? - CORRECT ANSWER-10
Who has the responsibility for determining the correct weight of a load? - CORRECT
ANSWER-Supervisor
When working near power lines, when is a signal person required? - CORRECT
ANSWER-When crane moves within a boom's length of power lines.
When an operator leaves the crane, he must first: - CORRECT ANSWER-Put the load
on the ground and put all dogs or pawls in.
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