NCCCO Practice QUESTIONS & CORRECT ANSWERS(GRADED A)
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Module
NCCCO Crane
Institution
NCCCO Crane
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
...
NCCCO Practice QUESTIONS & CORRECT
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
, What is the main purpose of mid-point suspension pendants?
A. to relieve the load on the bottom when it is being raised
B. to absorb the shock that comes with dynamic loading
C. to add structural integrity to the boom
D. to increase tipping capacities - ANSWER A
The main purpose of a gantry or a mast on a crane is
A. to decrease the parts of boom hoist line on the block
B. to increase boom hoist speed
C. to increase the crane'e leverage on the boom
D. to decrease the boom hoist speed - ANSWER C
When using a mobile crane on a barge, the crane's load capacity chart shall be:
A. replaced by a duty cycle chart
B. replaced by a list chart
C. de-rated to 50%
D. de-rated to 60% - ANSWER B
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