Crane Operator Certification Exam Prep · Question
What is the primary effect of reducing the sling angle (the angle between the sling and the horizontal) on the tension experienced by each leg of a two-leg bridle sling?
As the sling angle decreases (becomes flatter), the tension on each sling leg increases to maintain vertical equilibrium with the load. This is a critical consi
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Question: What is the primary effect of reducing the sling angle (the angle between the sling and the horizontal) on the tension experienced by each leg of a two-leg bridle sling?
Answer options: ✅ Sling tension increases significantly.
- Sling tension decreases proportionally.
- Sling tension remains constant regardless of the angle.
- Sling tension is only affected by the weight of the load.
Correct answer: Sling tension increases significantly.
Explanation: As the sling angle decreases (becomes flatter), the tension on each sling leg increases to maintain vertical equilibrium with the load. This is a critical consideration for safe rigging as per CSA Z150.
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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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