Crane Operator Certification Exam Prep · Question
During a daily crane inspection, what condition would necessitate immediate removal of a wire rope from service?
According to CSA Z150, a wire rope must be removed from service if there are more than six randomly distributed broken wires in one rope lay, or three broken wi
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Question: During a daily crane inspection, what condition would necessitate immediate removal of a wire rope from service?
Answer options:
- Slight surface rust on an infrequently used section.
- A single broken wire in an outer strand.
- Accumulation of dirt and grease. ✅ More than six randomly distributed broken wires in one rope lay, or three broken wires in one strand in one lay.
Correct answer: More than six randomly distributed broken wires in one rope lay, or three broken wires in one strand in one lay.
Explanation: According to CSA Z150, a wire rope must be removed from service if there are more than six randomly distributed broken wires in one rope lay, or three broken wires in one strand in one rope lay, as this indicates a significant loss of strength.
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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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