Marlinespike Seamanship Flashcards
The strongest of the natural fibers is ________
manila
Marline is _________
two-stranded hemp cord
Which line is two-stranded, left-handed small stuff?
Marline
White line is made from ______
cotton
Line is called “small stuff” if its circumference is less than _____
1-3/4”
The larger sizes of manila line are measured by their _____
circumference
The “lay” of a line refers to _____
the direction of twist in the strands
Which term describes a part of a natural fiber line?
Fibers
Which term (also) describes a part of a natural fiber line?
Strands
Durig the manufacture of line, yarns are twisted together in the _____
opposite direction from which the fibers are twisted together to form strands
In the manufacture of line, plant fibers are twisted together to form _____
yarns
Which terms describes a part of a natural fiber line (3) ?
Yarns
Which term describes a rope in which three right-handed strands are laid up left-handed?
Hawser laid
As you hold a piece of manila line vertically in front of you, the strands run from the lower right to the upper left. Which type of line is this?
Left-hand laid
As you hold a piece of manila line vertically in front of you, the strands run from the lower left to the upper right. Which type of line is this?
Right-hand laid
Roundline is a _____
three-stranded, right-handed line
To coil a left-hand laid rope, you should coil the line in _____
a counterclockwise direction only
Manila lines in which the strands are right-hand laid _____
should be coiled in a clockwise direction
Right-laid lines should be coiled ___
clockwise
To coil a right-laid rope, you should coil the line in ___
a clockwise direction
In order to correctly open a new coil of manila line, you should _____
pull the tagged end through the eye of the coil
Uncoiling manila line improperly can result in a(n) _____
kink in the line
When taking a length of new manila rope from the coil, you should _____
lay the coil on end with the inside end down, then pull the inside end up through the middle of the coil
Which type of line would have the least resistance to mildew and rot?
Manila
A natural fiber rope can be ruined by dampness because it may _____
rot
In order to help protect a natural fiber rope from rotting, the line must be _____
dried, and stowed in a place with adequate ventilation
When natural fiber rope gets wet, the _____
line shrinks in length
In order to detect rot in manila lines, you should _____
open the strands and examine the inner fibers
Which method is used to detect rot in manila lines?
Opening the strands and examining the inner fibers
When caring for natural-fiber line, you should NEVER _____
lubricate the line
When using natural-fiber rope, you should NEVER _____
try to lubricate the line
The critical point in nylon line elongation is about _____
40%
Which statement is TRUE with respect to the elasticity of nylon mooring lines?
Under load, nylon will stretch and thin out but will return to normal size when free of tension
An advantage of nylon rope over manila rope is that nylon rope _____
can hold a load even when a considerable number of the yarns have been abraded
Which type of line is best able to withstand sudden shock loads?
Nylon
Compared to manila line, size for size, nylon line _____
has more strength than manila line
Nylon line can be dangerous because it _____
stretches
Under identical loads conditions, nylon, when compared with natural fiber line, will stretch ____
more and have greater strength
Which type of line will stretch the most when under strain?
Nylon
Which material makes the strongest mooring line?
Nylon
Which rope has the greatest breaking strength?
Nylon
A normal safe working load for used nylon rope in good condition is _____
25% of its breaking strain
If given equal care, nylon line should last how many times longer than manila line?
Five
Nylon line is NOT suitable for _____
lashings
Which mooring line has the least elasticity?
Dacron
Which synthetic rope has the greatest breaking point?
Polyester
Which type of line floats?
Polypropylene
Which type of line melts easiest?
Polypropylene
Stuffer-braid rope has _____
a yarn core
Which line would be least likely to kink?
Braided
A new coil of nylon line should be opened by _____
unreeling from a spool
Which factor is most likely to impair the strength and durability of a synthetic line?
Sunlight
The size of wire rope is determined by the _____
diameter
A mooring line is described as being 6x24, 1-3/4 inch wire rope. What do the above numbers refer to?
Strands, wires, diameter
A 6x12, two-inch rope has _____
6 strands and a two-inch diameter
A 6x19 wire rope would be _____
6 strands with 19 wires in each strand
A common class of wire rope is the 6x37 class. What does the 37 represent?
Number of wires per strand
The main function of the core of a wire rope is to _____
support the strands laid around it
What is an advantage of having wire rope with a fiber core over that of a wire rope of the same size with a wire core?
Fiber core rope offers greater flexibility
When talking about wire rope, the lay of the wire is the _____
direction wires and strands are twisted together
A rope made of a combination of wire and fiber is known as _____
spring lay
A six-strand composite rope made up of alternate fiber and wire strands around a fiber core is called _____
spring lay
In the manufacture of wire rope, if the wires are shaped to conform to the curvature of the finished rope before they are laid up, the rope is called _____
preformed
Galvanizing would be suitable for protecting wire rope which is used for _____
stays
Wire rope is galvanized to _____
protect it from corrosion due to contact with saltwater
Galvanizing would not be suitable for protecting wire rope which is used for _____
cargo runners
The ultimate or maximum strength of a wire rope is referred to as the _____
breaking strength
Why is 6x19 class wire rope more commonly used for cargo runners than the more flexible 6x37 wire rope?
It resists abrasion better
What is an advantage of the 6x19 class of wire rope over the 6x37 class of wire rope of the same diameter?
More resistance to corrosion
What is an advantage of the 6x37 class of wire rope over the 6x19 class of wire rope of the same diameter?
Greater flexibility
A wire rope that has been overstrained will show _____
a decrease in diameter where the strain occurred
What will cause wire rope to fail?
Operating the winch too fast, using a sheave 9 times the wire’s diameter, kinking (all of the above)
What will cause wire rope to fail
Using a sheave with an undersized throat
When working with wire rope, which must be considered?
It needs better care than hemp or manila
When inspecting wire rope before a hoisting operation, one must look for _____
fishhooks, kinks, worn spots (all of the above)
When inspecting wire rope that has not been in use for some time, one must look for _____
fishhooks, kinks, worn spots (all of the above)
Which statement(s) is/are true concerning wire rope?
Wire rope should be condemned if the outside wires are worn to one-half of their original diameter
Wire rope should be renewed when the _____
outer wires are worn to half their original diameter
Sluicing or slushing wire rope _____
prevents internal and external rust and corrosion, reduces chafing and increases its useful service life, reduces internal friction within the wire (all of the above)
What is the main reason to slush a wire rope?
Lubricate the inner wires and prevent wear
If kinking results while wire rope is being coiled clockwise, you should _____
take a turn under
When you “end for end” a wire rope, you _____
remove the wire rope from the drum and reverse it so that the free end becomes the bitter end
The rope which is rove from a truck to be used with bos’n’s chair is called a _____
gantline
What should you inspect to be sure that it is safe to go aloft in a bosn’s chair?
The gantline, the tail block, the chair and bridle (all of the above)
When rigging a bosun’s chair, a tail block or lizard is used to _____
reeve the gantline through
The normal and safest way for a sailor in a bosun’s chair to be raised aloft is _____
manually by two or three sailors heaving away on deck
Which of the following statements concerning the rigging and use of bosun’s chairs is TRUE?
Always have the chair hoisted manually
After you have been pulled aloft in a bosun’s chair on a mast, you now make yourself fast in the chair prior to painting the mast. You should first _____
seize the hauling part and the standing part firmly in one hand to support your weight
The normal and safest way for a sailor to be lowered in a bosun’s chair when descending vertically is _____
for that sailor to feed the hauling part through a bosun’s chair hitch
You have been pulled aloft in a bosun’s chair rigged to a mast that you intend to paint. You are now supporting your weight be seizing the hauling part and the standing part of the gantline in one hand. Your next procedure in securing the bosun’s chair is to _____
dip the bight of the hauling part around your back and up in front of you to form the hitch
You are preparing to lubricate standing rigging on your vessel. When rigging a bosun’s chair on a stay with a shackle, _____
never allow the shackle pin to ride on the stay
You are a preparing to slush a stay on your vessel by lowering yourself the stay in a bosun’s chair. The proper way to this is to ride down the stay on a riding shackle _____
with the pin of the shackle through the chair’s bridle eye
Which of the following statements concerning the rigging of bosun’s chairs and their use is TRUE?
Any tools, paint pots, etc should be secured by lanyards
What equipment is customarily used when seamen are working on a stage rigged over the side of a vessel
Jacob’s ladder, manropes, heaving lines (all of the above)
What should be readily available on deck while seamen are working over the side on a stage
Ring buoy
To properly rig the downhaul to your stage for lowering, you must _____
take 2 or 3 round turns around the stage and then belay the downhaul around the horns
You are rigging a stage over the ship’s side to serve as a working platform. For stability of the stage, the downhaul to one end of the stage and the downhaul to the other end, which are used for lowering the stage, should be led _____
one to the inboard and the other to the outboard
You are rigging a stage over the vessel’s side and are securing the downhaul with lowering turns at your end of the stage. When finished, the remainder of the line should be _____
lowered down into the water
When lowering manropes alongside a stage rigged over the side of a vessel, they should be allowed to trail in the water _____
to provide the seaman something to hold onto if he or she falls from the stage into the water
A stage should only be rigged _____
over the open water
A vessel is underway with a work stage rigged over the side. A seaman may work on the stage, but only when _____
the vessel is not making way
Mousing a cargo hook with marline or small line _____
prevents the sling ring from coming out of the hook
The latch of a safety hook _____
prevents the sling ring from coming out of the hook if the strain is abruptly eased
A hook that will release quickly is a _____
pelican hook
A pelican hook _____
can be released while under strain
Which statement is TRUE about hooks and shackles?
Shackles are stronger than hooks of the same diameter
A rope ladder with wooden rungs is a _____
Jacob’s ladder
A safety shackle is identified by its _____
pin
A bench hook is used for _____
sewing canvas
A sail hook is used for _____
sewing canvas
Herringbone is a term associated with _____
sewing
A mooring line that checks forward motion of a vessel at a pier is a _____
stern line
The lines led forward from the bow and aft from the stern when a vessel is moored to the dock are _____
bow and stern lines
A spring line is _____
a mooring line running diagonally to the keel
A mooring line leading 45 degrees to the keel, used to check forward or astern movement of a vessel, is called a _____
spring line
A spring line leads _____
fore and aft from the ship’s side
What method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?
Crossing spring lines
Which mooring line is likely to undergo the most strain when docking a ship under normal conditions?
Spring line
A mooring line leading at nearly right angles to the keel is a _____
breast line
A mooring line that prevents a vessel from moving sideways away from the dock is a ____
breast line
Which mooring line prevents sideways motion of a vessel moored to the pier?
A line led at a right angle to the keel
Avast means _____
stop
To “belay” a line means to _____
secure it to a cleat
When checking a mooring line you should _____
surge the line so that it maintains a strain without parting
To “ease” a line means to _____
pay out a line to remove most of the tension
In order to pay out or slack a mooring line which is under strain, you should _____
surge the line
To warp a vessel means to _____
move the vessel by hauling on the lines
A bollard is found on the ____
pier
A metal object on the pier resembling a tree stump and made to receive mooring lines is a _____
bollard
A post on the dock or wharf used to secure mooring lines or hawsers is a _____
bollard
Chafing gear _____
reduces and prevents wear caused by the rubbing of one object against another
Chafing gear is normally used _____
on mooring lines
Chafing gear is used to _____
protect fiber rope from abrasion
Chafing gear should be placed _____
at all wearing points of mooring lines
What should you do to a line to prevent fraying where it passes over the side of the vessel?
Cover it with chafing gear
When a line is subject to wear where it passes through a mooring chock, it should be _____
wrapped with chafing gear
A wooden float placed between a ship and a dock to prevent damage to both is called a _____
camel
A “gypsy” or “gypsyhead” is a _____
spool-shaped drum fitted on a winch
The revolving drum of a winch used to haul lines is called a ______
gypsyhead
What is normally used to pass a mooring line to a dock?
Heaving line
When passing a hawser to a dock you would first use what line?
A heaving line
A monkey fist is found on a ______
heaving line
The knot at the end of the heaving line used to pass the towing hawser is called a _____
monkey’s fist
A piece of small stuff (small line) secured to an object to prevent it from going adrift is a ______
lanyard
