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5.0 Sunday, 02 March NCCCO Practice Questions with Detailed Verified Answers (100% Correct Answers) /Already Graded A+ Quiz: Crane configuration includes:
- reeving, boom length, counterweight, on outriggers, on rubbers,
- hoist drum speeds, line pull, wire rope size and rigging
- load charts, LMI, axle weights and center of gravity
- drum rotation indicator, anti-two block, axle lock outs, and positive
extensions or jibs stowed or mounted, off sets, wire rope type or construction
house lock
Ans: A
Quiz: How does the operator determine the manufacturers
recommended rope for the crane?
- count the sheaves in the boom tip and divide the potential parts into
- read the manufacturer load chart or operator manual
- measure the rope and determine capacity according to size
- measure the wire rope and sheave groove to be sure of the proper
the cranes capacity, then determine the proper care
rope for the crane
Ans: B 1 / 2
Examstudy - Stuvia US
Quiz: What is the main purpose of mid-point suspension pendants?
- to relieve the load on the bottom when it is being raised
- to absorb the shock that comes with dynamic loading
- to add structural integrity to the boom
- to increase tipping capacities
Ans: A
Quiz: The main purpose of a gantry or a mast on a crane is
- to decrease the parts of boom hoist line on the block
- to increase boom hoist speed
- to increase the crane'e leverage on the boom
- to decrease the boom hoist speed
Ans: C
Quiz: When using a mobile crane on a barge, the crane's load
capacity chart shall be:
- replaced by a duty cycle chart
- replaced by a list chart
- de-rated to 50%
- de-rated to 60%
Ans: B
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