Crane Operator Certification Exam Prep · Question
What is the primary purpose of cribbing or blocking beneath outrigger pads?
Cribbing distributes the weight of the crane and load over a larger surface area, reducing the ground pressure and preventing outriggers from sinking into the g
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Question: What is the primary purpose of cribbing or blocking beneath outrigger pads?
Answer options:
- To increase the speed of outrigger deployment ✅ To reduce the amount of ground pressure by distributing the load over a larger area
- To elevate the crane for better visibility
- To provide a non-slip surface for the outrigger pads
Correct answer: To reduce the amount of ground pressure by distributing the load over a larger area
Explanation: Cribbing distributes the weight of the crane and load over a larger surface area, reducing the ground pressure and preventing outriggers from sinking into the ground.
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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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