Crane Operator Certification Exam Prep · Question
What is meant by 'two-blocking' in crane operations?
Two-blocking occurs when the load block or headache ball makes contact with the boom tip or upper block, which can cause severe damage to the hoist rope or cran
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Question: What is meant by 'two-blocking' in crane operations?
Answer options:
- Using two separate blocks to lift a single load ✅ The lower load block contacting the upper block or boom tip
- Blocking both sets of outriggers simultaneously
- Placing two tag lines on a load
Correct answer: The lower load block contacting the upper block or boom tip
Explanation: Two-blocking occurs when the load block or headache ball makes contact with the boom tip or upper block, which can cause severe damage to the hoist rope or crane structure.
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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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