NCCCO Practice Test Questions with Correct Answers
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Course
NCCCO
Institution
NCCCO
NCCCO Practice Test 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. l...
NCCCO Practice Test 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 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 Blocking can be placed under the ends of tracks to: A. stop the crane from sliding unexpectedly B. stop crane from traveling unexpectedly C. increase the crane's stability when operating over side D. increase the crane's stability when operating over front or back - Answer -D 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 When operating a crawler crane, the ground pressure will always be highest over the A. corner B. front C. side D. rear - Answer -A Unless working in loose soft soil, a crawler crane should always travel ___________ on pick and carry operations A. away from the load B. towards the load C. as quickly as possible D. with the crawler facing the load extended - Answer -B Why use mats or cribbing? A. to increase ground pressure B. to reduce ground pressure C. for long boom cranes D. to lift outriggers or crawlers off the ground - Answer -B Mats are usually ______ together A. bolted
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