NCCCO Practice questions with correct answers

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