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AUXSEA Ch 4
| Question | Answer |
|---|---|
| The two types of natural fiber rope generally available in marine supply stores are _____ and _____. | Manila, cotton |
| The advantages of manila line are: it is _____, _____, and _____ . | Relatively inexpensive, Readily available, Very durable |
| Manila line will _____ if stored wet. | Deteriorate |
| Cotton line has _____ the strength of manila line. | One half |
| The four types of synthetic line in common use today are: _____, _____, _____, _____. | Nylon, Dacron (polyester), Polypropylene, Polyethylene |
| Because nylon line is so elastic, it is used for _____, and _____ lines. | Mooring, Towing |
| Why is nylon dangerous at times? | Because of its elasticity and "snap back" |
| What are the characteristics of Dacron (polyester) line? _____ __________ . | Soft to the touch, Extremely flexible, Requires no break-in |
| Dacron differs from Nylon line in that it is not _____. | as elastic |
| What is the difference between polyethylene and polypropylene line? | Polypropylene is stronger when wet and is not as slippery as polyethylene |
| Why is fiber used in the core of some wire ropes? | To give it flexibility and to cushion the wire strands |
| What are the five grades of wire lines? | Improved plow steel, Plow steel, Mild plow steel, Traction steel, Iron |
| List the ten rules for the proper care of line. | 1. Do not overload your line; 2. Avoid sudden strains; 3. Always keep it clean; 4. Keep away from all chemicals; 5. Avoid kinks in your lines; |
| List the ten rules for the proper care of line.(cont'd) | 6. Protect line against abrasion; 7. Store properly; 8. Always match line to use; 9. Avoid excessive wear; 10. Do not run over sharp angles |
| A Clove Hitch can be used to make a _____ fastening to a piling. | Temporary |
| To temporarily join two lines of different diameters, you would use a _____. | Sheet bend |
| A _____ is preferred when permanently joining two lines together. | Splice |
| A _____ is used when a temporary loop is desired. | Bowline |
| To secure a line to a log for towing, you would use a _____ . | Timber hitch |
| To secure a line to a piling, on a long term basis, the safest fastening to use would be a _____. | Round turn with two half hitches |
| Explain uses of stopper/rolling hitch. | Can be used to maintain the strain while the other line is being moved. Can be slid along line under strain but will hold when strain or load is on it. Sometimes used when converting a single tow line into a bridle |
| When laying a long line down on a deck, where the full length must be run out fairly rapidly, the line should be _____. | Faked |
| When might it become necessary to dip an eye on a bollard? | When another boat is using the bollard. |
| A _____ will cause less reduction in line strength than any _____. | Splice, Knot |
| Tie the following knots: | Square knot, Bowline, Round turn and two half hitches, Clove hitch, Double becket/sheet bends, and Timber hitch. |
| Make an eye splice | This is a demonstration, therefore no answer can be given. Can you make an eye splice? |
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