ANSWERS(GRADED A+)
Crane configuration includes:
A. reeving, boom length, counterweight, on outriggers, on rubbers, extensions or jibs stowed or mounted, off
sets, wire rope type or construction
B. hoist drum speeds, line pull, wire rope size and rigging
C. load charts, LMI, axle weights and center of gravity
D. drum rotation indicator, anti-two block, axle lock outs, and positive house lock - ANSWER A
How does the operator determine the manufacturers recommended rope for the crane?
A. count the sheaves in the boom tip and divide the potential parts into the cranes capacity, then determine the
proper care
B. read the manufacturer load chart or operator manual
C. measure the rope and determine capacity according to size
D. measure the wire rope and sheave groove to be sure of the proper rope for the crane - ANSWER B
, A crawler crane is based on ___________ stability of static load
A. 100%
B. 85%
C. 75%
D. 20% - ANSWER C
What quadrant produces the least amount of ground pressure on a lattice crawler?
A. side
B. front
C. corner
D. rear - ANSWER A
When a crawler crane is on a barge the list chart must be provided by the:
A. employer
B. crane owner
C. superintendent
D. manufacturer - ANSWER D