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NCCCO Core Questions & Answers (RATED A+)
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The term "Superstructure or Upper works" refers to the area of the crane: - ANSWERAbove the swing circle A crane must be level within _______% for the load chart ratings to be valid? - ANSWER1% Which of the following matches the appropriate load chart to a particular crane? - ANSWERSerial num...

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  • October 16, 2024
  • 13
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • nccco core stuvia 2024
  • nccco core questions answers rated a
  • the term superstructure or upper works refers t
  • a crane must be level within for the load

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NCCCO Core Questions & Answers (RATED A+)


The term "Superstructure or Upper works" refers to the area of the crane: - ANSWERAbove the swing
circle



A crane must be level within _______% for the load chart ratings to be valid? - ANSWER1%



Which of the following matches the appropriate load chart to a particular crane? - ANSWERSerial
number



A durable rating chart with legible letters and figures shall be provided with each crane accessible to:
- ANSWERThe operator at the controls



On what principle is crane stability based? - ANSWERLeverage



What would be the effect of moving the tipping axis closer to the cranes center of gravity? -
ANSWERReduced stability




The lifting capacities listed in the load chart assume that: - ANSWERThe lift is to be performed under
ideal conditions



A "rough terrain" crane set up on outriggers that is based on 85% tipping should have the tires: -
ANSWEROff the supporting surface



Load charts are based on stationary loads, which are also known as: - ANSWERStatic loads



The capacity in a mobile crane's load chart are based on either structural limits or - ANSWERStability



The values listed in the manufacture's load chart show: - ANSWERRated capacities

, Net capacity is: - ANSWERManufactures load ratings minus capacity deductions



When determining the "gross load" the best method is: - ANSWERGet an accurate load weight and
add the rigging



The weights of load handling devices, such as load blocks, spreader bars, and slings are considered: -
ANSWERPart of the load



Gross capacity is 10,300 Ibs total deductions are 7,622 lbs. What is the net capacity? - ANSWER2,678
lbs.



Boom length is measured from the: - ANSWERCenter of the heel pin(s) to the center of the boom tip
sheaves



The boom angle indicator indicates the booms angle to the: - ANSWERHorizontal



Load radius is defined as: the horizontal distance from the centerline of rotation line with: -
ANSWERThe rated load suspended



You are lifting a load directly under the hook. As you put tension on it, the load lifts away from crane.
What caused the increased in load radius as should have been placed? - ANSWERBoom deflection



A crane that is set up properly should have the tires off the supporting surface and should be: -
ANSWERSufficient to support the crane and the load



When a boom extension considered to be inits stowed position, it is: - ANSWERPinned to the boom
base section



Crawler cranes produce the least amount of ground pressure is over the: - ANSWERSide



What is the best source of information for determining boom tip height? - ANSWERWorking range
diagram



What is the purpose of a work area diagram (chart)? - ANSWERTo identify operational quadrants

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