Crane Operator Certification Exam Prep · Question
What is the primary function of blocking and cribbing under outriggers?
Blocking and cribbing are used to provide a stable, level base for outriggers, distributing the crane's load over a larger surface area to reduce ground bearing
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Question: What is the primary function of blocking and cribbing under outriggers?
Answer options:
- To increase the outrigger's reach. ✅ To provide a stable and level base, distributing the load over a larger area.
- To reduce the crane's overall weight.
- To prevent water accumulation around the outriggers.
Correct answer: To provide a stable and level base, distributing the load over a larger area.
Explanation: Blocking and cribbing are used to provide a stable, level base for outriggers, distributing the crane's load over a larger surface area to reduce ground bearing pressure and prevent sinking.
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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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