Crane Operator Certification Exam Prep · Question
Under what condition would a crane's published load chart capacity require a significant reduction?
High wind velocities impose additional forces on the boom and suspended load, which can reduce stability and structural integrity. Manufacturers provide specifi
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Question: Under what condition would a crane's published load chart capacity require a significant reduction?
Answer options:
- Operating on firm, level ground.
- Lifting a load within 10% of its capacity. ✅ High wind velocities exceeding manufacturer's limits.
- Using a quick-attach jib for light loads.
Correct answer: High wind velocities exceeding manufacturer's limits.
Explanation: High wind velocities impose additional forces on the boom and suspended load, which can reduce stability and structural integrity. Manufacturers provide specific wind speed limits and often require capacity reductions or cessation of operations in high winds.
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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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