Crane Operator Certification Exam Prep · Question
According to CSA Z150, what action must a crane operator take if they observe a structural crack on the boom during a pre-operational inspection?
A structural crack on the boom is a critical safety defect that compromises the crane's integrity. CSA Z150 requires that such a defect necessitates immediately
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Question: According to CSA Z150, what action must a crane operator take if they observe a structural crack on the boom during a pre-operational inspection?
Answer options:
- Apply a temporary splice and continue with reduced loads.
- Note it in the logbook and inform the site engineer. ✅ Immediately red-tag the crane, take it out of service, and inform a supervisor.
- Monitor the crack for the first hour of operation to see if it propagates.
Correct answer: Immediately red-tag the crane, take it out of service, and inform a supervisor.
Explanation: A structural crack on the boom is a critical safety defect that compromises the crane's integrity. CSA Z150 requires that such a defect necessitates immediately taking the crane out of service (red-tagging) and reporting it to a supervisor for engineering assessment and repair. Operating with a structural crack is strictly prohibited due to high risk of failure.
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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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