Crane Operator Certification Exam Prep · Question
A crane manufacturer specifies that the rated capacity is based on a level setup condition. The operator discovers the crane is 2% out of level during a lift. What is the most appropriate action for the operator, assuming no manufacturer-specific correction charts for this condition?
Operating a crane out of level beyond manufacturer specifications or CSA Z150 limits significantly compromises stability and rated capacity, leading to unsafe c
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Question: A crane manufacturer specifies that the rated capacity is based on a level setup condition. The operator discovers the crane is 2% out of level during a lift. What is the most appropriate action for the operator, assuming no manufacturer-specific correction charts for this condition?
Answer options:
- Proceed with the lift but reduce the load by 10%. ✅ Stop the lift immediately, re-level the crane, and re-evaluate.
- Continue the lift, but slow down the crane's movements.
- Compensate by shortening the outriggers on the high side.
Correct answer: Stop the lift immediately, re-level the crane, and re-evaluate.
Explanation: Operating a crane out of level beyond manufacturer specifications or CSA Z150 limits significantly compromises stability and rated capacity, leading to unsafe conditions. The only safe action is to stop and re-level.
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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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