Crane Operator Certification Exam Prep · Question
When inspecting the wire rope on a mobile crane, what is the maximum number of broken wires permitted in a single lay, according to CSA Z150, before the rope must be removed from service?
CSA Z150 (Safety Code for Mobile Cranes) specifies that if six or more randomly distributed broken wires are found in one rope lay, or three or more broken wire
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Question: When inspecting the wire rope on a mobile crane, what is the maximum number of broken wires permitted in a single lay, according to CSA Z150, before the rope must be removed from service?
Answer options:
- 1 broken wire
- 3 broken wires ✅ 6 broken wires
- 12 broken wires
Correct answer: 6 broken wires
Explanation: CSA Z150 (Safety Code for Mobile Cranes) specifies that if six or more randomly distributed broken wires are found in one rope lay, or three or more broken wires are found in one strand in one lay, the wire rope must be removed from service.
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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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