Crane Operator Certification Exam Prep · Question
According to typical provincial OHS regulations, which condition on a wire rope sling would MOST IMMEDIATELY warrant its removal from service?
A 5% reduction in nominal wire rope diameter is a critical indicator of core deterioration or severe external wear, signifying significant loss of strength and
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Question: According to typical provincial OHS regulations, which condition on a wire rope sling would MOST IMMEDIATELY warrant its removal from service?
Answer options:
- Minor surface scratches on the outermost wires. ✅ A 5% reduction in nominal wire rope diameter.
- Evidence of light surface rust in a small section.
- Two broken wires in one strand in a section.
Correct answer: A 5% reduction in nominal wire rope diameter.
Explanation: A 5% reduction in nominal wire rope diameter is a critical indicator of core deterioration or severe external wear, signifying significant loss of strength and requiring immediate removal from service as per CSA Z150 and provincial OHS regulations.
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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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