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18 Cards in this Set
- Front
- Back
What are the three materials lines are commonly made of?
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Nylon, Dacron & Kevlar
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Of Nylon and Dacron, which is stronger and stretches more?
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Nylon
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Are Dacron and Kevlar high stretch or low stretch? Why is this advantageous for halyards?
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Low stretch. The line will not have to be adjusted with increasing wind loads.
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What is "breaking strain"? What is "working strain?"
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Breaking strain is the force needed to break a line. Working strain is the greatest amount of force that can be placed on a line without damaging the line.
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What is Nylon's working strain?
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About 10% of its breaking strain.
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What is Dacron's working strain?
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About 20% of its breaking strain.
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Which is stronger, braided weave or stranded weave, and by how much?
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Braided weaves are approximately twice as strong as stranded weaves.
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What knot is used to tie two lines together?
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Square knot.
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This knot is used to tie two lines of equal or different sizes together
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Sheet Bend
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These knots are used to tie a line to a post.
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Bowline or Clove Hitch or Round Turn & Two Half Hitches
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This knot is used to tie a line around one's waist.
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Bowline
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This knot is used as a stopper knot.
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Figure Eight
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With what line would you secure a line to a Deck Cleat?
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Cleat Hitch
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What is Stranded Nylon's stretch at a load of 50% breaking strength?
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30%
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What is Braided Nylon's stretch at a load of 50% breaking strength?
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15%
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What is Stranded Dacron's stretch at a load of 50% breaking strength?
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10%
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What is Braided Dacron's stretch at a load of 50% breaking strength?
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10%
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What is Kevlar's & Spectra's stretch at a load of 50% breaking strength?
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5%
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