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66 Cards in this Set
- Front
- Back
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One of the advantages of braided lines over twisted (rope-laid) ropes is that they do not flex open to admit dirt. This characteristic is also a disadvantage because hey are braided so tightly that |
interior strands cannot be inspected readily
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Line in which the fibers are twisted to form yarns, then the yarns are twisted to the left to form stands, and next the strands are twisted to the right to form line best describes
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three-strand, right laid
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What type of construction is used for cotton heaving lines?
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Stuffer braided
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A line that has an equal number of right-twisted and left-twisted strands paired to make up a line is known as
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plaited
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The core of double-braided line accounts for how much of the line’s total strength?
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50%
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When you open a new coil of line, set it up with the inside end at the bottom of the center tunnel.
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True
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If a line must be stowed when it is wet, how should the line be laid?
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In long flakes
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Winding a right-laid line in a counterclockwise direction on a winch drum will cause the line to do what?
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Kink
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How must you handle secured lines during wet weather to prevent damage to them?
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They must be slacked off
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Which of the following conditions is an indication that a natural fiber line has deteriorated as a result of age or exposure?
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Yellow or brown color
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Which of the following conditions indicates internal wear in natural fiber line?
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White powdery residue inside the lay
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At what angle to the direct line pull should you be positioned while you are tending synthetic fiber line that is under tension?
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90%
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Which of the following synthetic fiber rope constructions has the highest resistance to abrasions?
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Three-strand nylon
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Before you use new three-strand synthetic fiber line, it should be
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Faked out on deck and allowed to relax for 24 hours
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How much of its strength can a polypropylene line, without ultraviolet inhibitors, lose when exposed to sunlight for 3 months?
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40%
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Why must you take an extra tuck when you splice synthetic lines?
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Because of the lower friction resistance and tendency to slip
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When using a capstan or gypsy head to heave in a synthetic line, what is the minimum number of round turns you should take?
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Six
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What, if anything, will happen if a synthetic fiber line is placed on the same bollard with a spring-lay-rope?
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the spring-lay-rope will cut the synthetic line
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When a tattletale cord suspended from two points on a synthetic line becomes taut, what does it indicate?
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The SWL has been reached |
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Tattletale cords are made of what size lines? |
6-thread manilla
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The line handling term "check five" most clearly means
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Hold number five line but not to the breaking point; allow only enough line to render around the deck fitting to prevent it from parting. |
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What term is used when two mooring lines are placed over the same bollard and one eye is lead through the eye of the other so they do not disturb each other?
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Dipping the Eye
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Which of the following are two characteristics of synthetic lines?
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High elasticity and low friction |
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What is the term used for wire rope that has its strands shaped prior to the laying up process?
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Preformed
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Which of the following bends consists of taking a half-hitch with the ends of two lines around the standing part of the other, and seizing the bitter end?
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Reeving line bend
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What bend is used to bend a line to a becket or eye?
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Fisherman's bend
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Which of the following knots is best suited for making an eye in the middle of a line?
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Single bowline on a bight
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The rolling hitch is best used for which of the following applications?
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Stopper on mooring lines & falls
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What hitch is used on spars, planks, and/or other rough-surfaced materials?
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Timber
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Which of the following knots is used to take the load off a weak spot in the line?
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Sheepshank
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After making the first two turns of a threestrand Turk’s head, you turn your hand so that the back is toward you. Next, you
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pull a bight of the first turn under the second turn and run the end through this bight
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How many strands should you start with if you wish to make a six-strand Turk’s head?
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Four
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Which of the following coverings is made with consecutive half hitches?
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Coxcombing
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Assume that you want to cover a 10-footlong, 3-inch-circumference rail with coxcombing using strands 1/8 inch in diameter. Each strand should be approximately how long?
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96ft
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For which of the following pieces of fancy work is it necessary to use an even number of strands?
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a
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What is the length of each strand that encircles an object to be covered by fox and
geese? |
One and a Half times the length of work
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The common sennit differs from the flat sennit in that the common sennit is constructed by
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weaving the outboard strand over and under the other strands on that side
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How is the outboard strand passed in making a squire sennit?
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Behind all but two of the other strands and back in front to its originating side
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What is the minimum number of strands that you should use in constructing a Russian sennit?
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16
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What type of seizing would you use if the marriage of lines is to be under little or no strain?
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Flat
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What is the best seizing to use when there will be an unequal strain on two parts of line which are seized together?
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Racking
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How long should you make the strands that you will use in making a small boat fender that is to be 1 foot long?
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a
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The covering of a Navy style boat fender is made up in what kind of knots?
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Wall
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A rattail stopper consists of a 12-to 14-foot piece of line with an eye splice at one end and a flat tapering braid at the other. The taper is formed by
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Cutting out yarns as you braid
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The first step in making a long splice is to unlay the end of each rope. How many turns do you unlay?
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15
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The special tools needed to splice double-braided line smaller than 3 inches in circumference are a
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Tubular fid and a pusher
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Which of the following tools are used in splicing a double-braided line larger than 3 inches in circumference?
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Wire Fid
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How much of the average new line strength does the standard eye splice in new double-braided line retain?
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90%
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Which preliminary step allows you to restore the original length relationship between the line’s core and cover, and thus maintain the full strength of the line throughout the splice?
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Tying a slipknot approximately 5 fid lenghts up the line from the point marked "X"
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How many consecutive pairs of cover strands are counted off between points "R" and "T"?
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8
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When tucking the cover tail into the core, you should pull the cover tail through the core until mark "R" on the cover emerges from
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Mark 3
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If the fid is not long enough to reach from one point to the other because of the eye size, you should
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Bring the fid out through the cover, pull the core through, and reinsert it in the same hole working toward the desired point
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If the cover bunches at the crossover as you work it down over the section of the core in the eye, you eliminate the bunching by
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Milking the cover toward point "X"
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What should you do prior to whipping an eye splice in double-braided line?
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Stitch lock the splice
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When doing critical operations with a natural-fiber line. What is the maximum time in years, you cannot exceed?
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5
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Which of the following aramid line sizes is equivalent to "8" double-braided nylon? |
4 3/4
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What does the term EASE TWO mean?
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Let number two line out until it is under less tension but not slacked. |
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How many heaving lines must be laid out at each line handling station?
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2
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How many standard mooring lines are used on most ships?
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6
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Which of the following NSTM chapters would give you a comprehensive list of precautions in the use of fiber, synthetic, and wire rope?
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NSTM 613
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What is the breaking strength in pounds for a 5 3/8-inch aramid mooring line?
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180000 LBS
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Which of the following synthetic lines has the lowest breaking strength?
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Polyproylene
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What is the minimum number of wire rope clips required for a 1-inch 6x19 wire?
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5
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What must you use if a mousing is to strengthen a hook?
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Shackle
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Which of the following NSTM chapters deals with the size, care, use, and construction of wire ropes?
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NSTM 613
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When lines are used on double bitts, figure eights reduce the rope strength by what percent?
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a
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