Crane Operator Certification Exam Prep · Question
What is the acceptable tolerance for levelness when setting up a mobile crane on outriggers?
For optimal safety and capacity, mobile cranes must be set up as close to perfectly level as possible, typically within 0.5 degrees, to prevent side loading on
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Question: What is the acceptable tolerance for levelness when setting up a mobile crane on outriggers?
Answer options:
- Within 5 degrees of level
- Within 3 degrees of level
- Within 1 degree of level ✅ Within 0.5 degrees of level (as close to perfectly level as possible)
Correct answer: Within 0.5 degrees of level (as close to perfectly level as possible)
Explanation: For optimal safety and capacity, mobile cranes must be set up as close to perfectly level as possible, typically within 0.5 degrees, to prevent side loading on the boom and eccentric loading on the turntable.
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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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