Crane Operator Certification Exam Prep · Question
A crane's outrigger penetration into soft ground has caused it to go 2.5% out of level during a lift. The manufacturer's maximum out-of-level tolerance is 1%. What specific stability hazard does this situation primarily present according to CSA Z150 guidelines?
CSA Z150 and crane manufacturers explicitly state that operating a crane out of level drastically reduces its rated lifting capacity and overall stability, incr
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Question: A crane's outrigger penetration into soft ground has caused it to go 2.5% out of level during a lift. The manufacturer's maximum out-of-level tolerance is 1%. What specific stability hazard does this situation primarily present according to CSA Z150 guidelines?
Answer options:
- Increased wear on the engine components. ✅ Significant reduction in rated lifting capacity.
- Excessive hydraulic fluid overheating.
- Difficulty in boom telescope extension.
Correct answer: Significant reduction in rated lifting capacity.
Explanation: CSA Z150 and crane manufacturers explicitly state that operating a crane out of level drastically reduces its rated lifting capacity and overall stability, increasing the risk of tipping even with loads well below the 'level' chart capacity. Structural integrity is also compromised.
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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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