Crane Operator Certification Exam Prep · Question
A mobile crane's load chart specifies lifting capacities. Which of the following items must be DEDUCTED from the load chart's gross capacity to determine the net lifting capacity?
According to CSA Z150 and standard rigging practices, the load chart's gross capacity includes only the structural and stability limitations of the crane. To de
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Question: A mobile crane's load chart specifies lifting capacities. Which of the following items must be DEDUCTED from the load chart's gross capacity to determine the net lifting capacity?
Answer options: ✅ All rigging gear (slings, shackles, spreader bar), hoist block, and hook block.
- Only the weight of the load itself.
- Only the weight of the boom and jib extensions.
- The weight of the operator in the cab.
Correct answer: All rigging gear (slings, shackles, spreader bar), hoist block, and hook block.
Explanation: According to CSA Z150 and standard rigging practices, the load chart's gross capacity includes only the structural and stability limitations of the crane. To determine the net lifting capacity, the weight of everything below the boom tip (or jib tip) that is NOT the intended load must be deducted, including the hook block, hoist lines, and all rigging gear like slings, shackles, and spreader bars.
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- 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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