Crane Operator Certification Exam Prep · Question
How does increasing the sling angle (angle from horizontal) affect the tension on each leg of a multi-leg sling system for a given load?
As the sling angle (measured from the horizontal) decreases, or angle from vertical increases, the tension on each sling leg increases significantly, requiring
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Question: How does increasing the sling angle (angle from horizontal) affect the tension on each leg of a multi-leg sling system for a given load?
Answer options:
- It decreases the tension, making the lift safer. ✅ It increases the tension, requiring slings with higher WLL.
- It has no effect on the tension, only on the load's stability.
- It first decreases then increases the tension.
Correct answer: It increases the tension, requiring slings with higher WLL.
Explanation: As the sling angle (measured from the horizontal) decreases, or angle from vertical increases, the tension on each sling leg increases significantly, requiring slings with a higher Working Load Limit to safely lift the same load.
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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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