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NCCCO Telescopic Boom Crane- Load Charts Summer Exam Review Questions and Answers 100% Pass Crane configuration includes - Answer>>Reeving, boom length, counterweight, on outriggers, on rubbers, extensions or jibs stowed or mounted, off sets, wire rope type or construction.How does the operator determine the manufacturers recommended rope for the crane - Answer>>Read the manufacturer load chart or operator manual.Capacities above the bold line on the load chart are based on. - Answer>>Structural Strength If replacing the hoist line wire rope on a crane, howdo you determine the size or type of wire rope to use - Answer>>Use Manufacturer's operator's manual or load chart.
Net capacity is equal to : - Answer>>Gross capacity minus
capacity deductions Which of these conditions will not dramatically affect the values illustrated on load charts? a. Improper outrigger set up. b.Changing radius. c. Wind d. None of the above - Answer>>None of the above 1 / 2
If a jib is a erected but not being used. It is treated as a deduction
from the cranes: - Answer>>Gross Capacity
A truck crane is rated at what percentage of its load capacity? - Answer>>85%
When determining the "gross load" the best method is: -
Answer>>Get an accurate load weight and add the rigging.Tipping capacities of crawler cranes are based on what percentage of tipping? - Answer>>75% How does the operator determine if correct load chart is being used? - Answer>>Matching serial number In a range diagram, boom length and angle can be used to determine - Answer>>Load radius Only approved attachments or extra counterweights made by the manufacturer should be placed on the rear of crane because. - Answer>>They could cause a backward stability problem If not listed in the load/capacity charts for a telescopic crane and you are in between boom length , you should - Answer>>Use the next longer length The jib capacity is 8 tons and the ball weights 900 lbs. What is the heaviest load that can be lifted safely. - Answer>>15,100 When using load/capacity charts, what does the term "jib angle to ground" refer to? - Answer>>Main boom angle minus the jibs offset
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