RopeLab Quiz 5: Energy absorbing lanyards
A quick quiz to test your understanding of various configurations of energy absorbers and lanyards.
There are 5 multiple choice questions. Once you have finished, click on the “View questions” link at the end to see the correct answers to each question.
All five questions refer to the following image.
DISCLAIMER: Always refer to, and ensure that your use is consistent with manufacturer documentation. Most of the configurations shown below are inappropriate for worker protection and are certainly outside the use specified by manufacturers.
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Energy absorbing lanyards and energy absorbing shock-packs behave differently in systems depending on where and how they are used.
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Question 1 of 5
1. Question
1 points1. Single unit at load.
What should be the theoretical peak force experienced by the load with this configuration?
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Question 2 of 5
2. Question
1 points2. Two single units connected in series.
What should be the theoretical peak force experienced by the load with this configuration?
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Question 3 of 5
3. Question
1 points3. Two units connected in parallel at the load.
What should be the theoretical peak force experienced by the load with this configuration?
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Question 4 of 5
4. Question
1 points4. Two parallel units at the load connected to a single unit at the anchor.
What should be the theoretical peak force experienced by the load with this configuration?
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Question 5 of 5
5. Question
1 points5. Single units at the load and anchor connected with a lanyard.
What should be the theoretical peak force experienced by the load with this configuration?
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About The Author
Richard Delaney
Richard Delaney has worked professionally with ropes since 1992 as a multi-pitch rock-climbing instructor, technical rescue instructor and rope access technician. Understanding and teaching the Physics of Rigging is a core passion of Richard’s, one based on his experience, and his prior professional life as a qualified engineer.