Red Seal Plumbing Practice Exam

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When an eye is properly formed in a wire rope with the use of a thimble, the eye will have approximately what percentage of its normal strength?

  1. 50 percent

  2. 60 percent

  3. 80 percent

  4. 100 percent

The correct answer is: 80 percent

When an eye is properly formed in a wire rope using a thimble, it will have approximately 80 percent of its normal strength. This is because the thimble supports the rope strands, preventing them from rubbing against each other and reducing the overall strength of the eye. Option A (50 percent) and B (60 percent) are incorrect as they suggest a lower strength than the actual percentage. Option D (100 percent) is incorrect as it does not take into account the additional strength provided by the thimble.

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