EPRI Rigger’s Handbook Practice Test

Eye splice strength reduction is typically what percent?

5-10% 25-30% 15-20% 10-15%

Correct Answer:

15-20%

Explanation:

Creating an eye in a rope changes how the fibers carry load. The splice rearranges the strands and introduces a localized area where load paths aren’t as direct, increasing friction and creating a region that can’t transfer as much force as the straight rope. Because of this, the rope’s effective strength is reduced by about 15 to 20 percent when an eye splice is properly made. In practice, you’ll typically use 80–85% of the rope’s nominal breaking strength for calculations after an eye splice. Exact reductions vary with rope material, construction, diameter, and splice quality, but 15–20% is the standard figure used in rigging.

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