Crane Operator Certification Exam Prep · Question
What is the consequence of operating a crane with less counterweight than specified in the load chart for a particular lift?
Insufficient counterweight directly reduces the crane's stability, increasing the risk of it tipping forward (over the front or side) when lifting a load, poten
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Question: What is the consequence of operating a crane with less counterweight than specified in the load chart for a particular lift?
Answer options:
- Increased lifting capacity at shorter radii. ✅ Reduced stability, increasing the risk of forward tipping.
- Improved maneuverability on cluttered job sites.
- Faster hoist line speeds due to reduced overall weight.
Correct answer: Reduced stability, increasing the risk of forward tipping.
Explanation: Insufficient counterweight directly reduces the crane's stability, increasing the risk of it tipping forward (over the front or side) when lifting a load, potentially leading to catastrophic failure. The load chart is based on specific counterweight configurations, as per CSA Z150 Clause 4.1.3.
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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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