NCCCO Lattice Boom General Knowledge Questions and Answers Already Graded A
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NCCCO Lattice Boom General Knowledge
Institution
NCCCO Lattice Boom General Knowledge
NCCCO Lattice Boom General
Knowledge Questions and Answers
Already Graded A
What is a lattice boom crane?
A lattice boom crane features a boom constructed of interlocking steel bars that form a
triangular or square structure, providing strength while remaining lightweight.
What is th...
NCCCO Lattice Boom General
Knowledge Questions and Answers
Already Graded A
What is a lattice boom crane?
✔✔ A lattice boom crane features a boom constructed of interlocking steel bars that form a
triangular or square structure, providing strength while remaining lightweight.
What is the primary advantage of a lattice boom design?
✔✔ The lattice boom design offers a high strength-to-weight ratio, allowing for longer reach and
increased lifting capacity compared to solid boom designs.
How does the configuration of a lattice boom affect its lifting capacity?
✔✔ The configuration allows for the distribution of stress over a larger area, enhancing stability
and supporting heavier loads at greater distances.
What factors influence the stability of a lattice boom crane during operation?
✔✔ Factors include the crane's base, ground conditions, load weight, and how the load is rigged
and positioned during lifting.
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, What safety features should be checked before operating a lattice boom crane?
✔✔ Operators should check the crane’s load charts, rigging equipment, and ensure all safety
devices, such as limit switches, are functional.
How does the use of counterweights affect a lattice boom crane?
✔✔ Counterweights are used to balance the crane and enhance stability during lifting operations,
preventing tipping.
What is the purpose of the anti-two-blocking device on a lattice boom crane?
✔✔ The anti-two-blocking device prevents the hook block from being drawn into the boom,
reducing the risk of damage to the crane and rigging.
What maintenance procedures are essential for a lattice boom crane?
✔✔ Routine inspections, lubrication of moving parts, and checks on the integrity of the boom
and structural components are essential maintenance tasks.
Why is it important to adhere to the crane’s load chart?
✔✔ The load chart provides critical information on the crane’s lifting capacity based on
configuration, ensuring safe operation within specified limits.
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