Crane Operator Certification Exam Prep · Question
What is the primary advantage of a Lang lay wire rope compared to a regular lay rope for crane operations where abrasion resistance is critical?
In Lang lay wire rope, the wires in the strands and the strands themselves are laid in the same direction. This results in the outer wires being exposed for lon
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Question: What is the primary advantage of a Lang lay wire rope compared to a regular lay rope for crane operations where abrasion resistance is critical?
Answer options:
- Better resistance to kinking and rotating.
- Outer wires are exposed for shorter lengths, offering less abrasion resistance. ✅ Longer wire exposure on the surface, offering superior abrasion resistance.
- Greater internal stability and resistance to crushing.
Correct answer: Longer wire exposure on the surface, offering superior abrasion resistance.
Explanation: In Lang lay wire rope, the wires in the strands and the strands themselves are laid in the same direction. This results in the outer wires being exposed for longer lengths on the rope's surface, providing a greater bearing area to resist abrasion. This characteristic makes Lang lay ropes superior in applications where surface wear is a primary concern, though they are generally less resistant to kinking and unwinding than regular lay ropes.
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Question explanations
- According to most Canadian provincial regulations, who is ultimately responsible for the safe operation of a c
- A crane's rated capacity decreases as the load radius:
- What is the minimum number of full wraps of wire rope that must remain on a hoist drum when the hook is in its
- Before setting up a mobile crane, what is the most important factor to assess regarding ground conditions?
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