Answers(RATED A+)
Where is the best location for leveling a crane? - ANSWERUpperworks
When determining the "gross load" the best method is: - ANSWERGet an accurate load weight and
add the rigging.
By order of hitch strength, which is the correct answer? - ANSWERBasket, vertical, choker
What is the purpose of using a jib? - ANSWERIncrease height
When taking a side strain on a boom, what concerns the operator most? - ANSWERBoom damage
You should always have at least how many wraps on a hoist drum? - ANSWER2
On a load chart, values above the bold line mean: - ANSWERCapacities based on structural
competence.
What is the best procedure to follow when underground utilities may be present? - ANSWERContact
local utility company
Eccentric main boom tip reeving causes: - ANSWERTwisting of the boom
The primary purpose for a rooster sheave or Auxiliary boom point is to: - ANSWERSeparate the hoist
lines.
What is the proper procedure when using an insulating link or a boot near power lines? - ANSWERBe
sure to maintain the correct allowable distance from the lines.
, When the number of layers of rope on a drum increases, the: - ANSWERAllowable line pull
decreases.
What is the minimum allowable distance from the crane and power lines under 50kV? - ANSWER10
ft.
The term "Upperworks or Superstructure" refer to the area of the crane: - ANSWERAbove the
turntable
Side loading may be caused by: - ANSWERStarting or stopping the swing too rapidly.
How many randomly broken wires must there be to remove a running wire rope from service? -
ANSWER6
When lifting personnel in a man-basket using 6x19 wire rope, the minimum safety factor is? -
ANSWER7
What is the safety factor required when using non rotating wire rope and lifting personnel in a man-
basket? - ANSWER10
Who has the responsibility for determining the correct weight of a load? - ANSWERSupervisor
When working near power lines, when is a signal person required? - ANSWERWhen crane moves
within a boom's length of power lines.
After the crane has been checked out and before crane lift operations begin, the crew should: -
ANSWERHave a pre-lift meeting
According to ANSI B30.5 personnel platform lifts should not be made with wind in excess of: -
ANSWER20 mph