Crane Operator Certification Exam Prep · Question
When setting up a crane on an uneven surface, what is the primary purpose of using blocking and cribbing?
Blocking and cribbing are essential to ensure the crane is level and to spread the concentrated load from the outrigger floats over a sufficient ground bearing
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Question: When setting up a crane on an uneven surface, what is the primary purpose of using blocking and cribbing?
Answer options:
- To increase the speed of the hoist line.
- To protect the outrigger pads from minor damage. ✅ To distribute the outrigger load over a larger area and achieve level setup.
- To reduce the overall weight of the crane.
Correct answer: To distribute the outrigger load over a larger area and achieve level setup.
Explanation: Blocking and cribbing are essential to ensure the crane is level and to spread the concentrated load from the outrigger floats over a sufficient ground bearing area.
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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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