Crane Operator Certification Exam Prep · Question
A crane is rigged with a right regular lay wire rope. How are the wires laid in the strands, and how are the strands laid around the core?
In a regular lay wire rope, the direction of the wire lay in the individual strands is opposite to the direction of the strand lay around the core. For a right
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Question: A crane is rigged with a right regular lay wire rope. How are the wires laid in the strands, and how are the strands laid around the core?
Answer options: ✅ Wires are laid to the left, strands are laid to the right.
- Wires are laid to the right, strands are laid to the left.
- Wires are laid to the right, strands are laid to the right.
- Wires are laid to the left, strands are laid to the left.
Correct answer: Wires are laid to the left, strands are laid to the right.
Explanation: In a regular lay wire rope, the direction of the wire lay in the individual strands is opposite to the direction of the strand lay around the core. For a right regular lay, the wires in the strands are laid to the left, and the strands themselves are laid to the right. This configuration provides good fatigue resistance and spools well on drums, making it common for general-purpose crane applications.
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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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