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NCCCO QUESTIONS TEST
1 PRACTICE EXAM -
When operating a crawler crane what is the most unstable allowable quadrant of operation? - Answer-Side
When operating a truck crane what is the most unstable allowable quadrant of operations? - Answer-Front
What is not a good location for crane setup? - Answer-Above utilities
When should a tagline be used? - Answer-When rotation of load would be dangerous
When an operator arrives at a jobsite and the crane is erected, how would the operator check the main and auxiliary hoist brakes? - Answer-Lift the load off the ground and apply the brake
What is the distance between an Anti-two-block warning device and an Anti-two block prevention system? - Answer-Warning device only warns, but prevention system will stop the operation
Who gives the operator hand signals? - Answer-The person assigned prior to the lift
Why use mats or cribbing? - Answer-To reduce ground pressure
Tipping capacities of crawler cranes are based on what percentage of tipping? - Answer-75%
Should the load be applied when determining the proper boom angle? - Answer-Yes
When should the operator use the "run by the seat of the pants" technique? - Answer- Never
Load radius is the distance from the center of gravity of the suspended load to the: - Answer-Center of rotation
Why is the primary reason fro using a boom extension? - Answer-Increase height
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