Terms, definitions & nomentlcature Flashcards
The floors of a ship are called
decks
the walls of a ship are called
bulkheads
stairs of a ship are called
ladders
On a ship, halls or corridors are called
passageways
On a ship, ceilings in a room are called
the overhead in the compartment
Openings to the outshine of a ship are not windows but
ports
Entrances from one compartment to another are called
doors
Openings from one deck to another are called
hatches
The handles on the watertight hatch or door are called
dogs
If you close a door or watertight hatch, you ____ it.
secure
If you close down the dogs on the door or hatch, you ___ ___ ___.
Dog it down.
You never scrub the floor or wash the walls, you
swab the deck and scrub the bulkheads
When you get up to go to work, you
turn to
You never go down stairs, you
lay below
If you are going from deck o another, you
lay topside
If you are going up the mast or into the rigging, you are
going aloft
The main body of the ship below the main outside deck is
the hull
The hull consists of an outside covering called _____ and an inside frame to which it is secured.
skin
The skin and framework of a ship are usually made _____ of and secured by _____. However there may still be some areas where rivets are used.
steel welding
The steel skin may also be called
shell plating.
The main centerline structural part of the hull is the ____ , which runs from the stem at the bow to the sternposts at the stern
keel
the backbone of the ship is the
keel
The ribs of the ship are called _____, which run athwartship and are fasten to the keel to give added strength to the hull.
Frames
The decks are supported by _____ _____ and ______ which also add strength to resist the pressure of the water on the sides of the hull
Deck beams and bulkheads
The water-tightness os a ship is provided by the ____ or _____ _____.
Skin or outer plating
The principal strength members of a ship are the
plates
The heaviest plates are put on
amidships
Plates of various thickness are used to
reduce the weight of the metal used and give the vessel additional strength at its broadest part. amidships.
The plates, put on in rows fro bow to stern, are called
strakes
Strakes are _____ _____, beginning at the keep and going upward.
lettered consecutively
Garboard strakes are
the bottom row of strakes on either side of the keel.
The strakes at the turn of the hull, running in the bilge are called
Blige strakes
The strakes running between the garboard and bilge strakes are call
bottom strakes
The topmost strakes of the hull are called
sheer strakes.
The upper edge of the sheer strake is the
gunwale
The interior of the ship is divided by the _____ into watertight compartmwents
bulkheads
A vessel could made virtually unsinkable if it were
divided into enough small compartments
Engine rooms must be larger enough to
accommodate bulky macinery
Cargo spaces must be larger enough
to hold larger equipment and contrainers
The separate compartment containing the propulsion machinery of the vessel is called
the engine room
Besides the propulsion machinery, the engine room may also contain other vessel machinery such as
generators, pumping systems, evaporators and condensers for making freshwater
Most large vessels have a ____ ____ as their propulsion unit
diesel engine.
The power form the engine to the propellers if transmitted by the
shaft
The water-level line on the hull when afloat is called the
waterline
The vertical distance from the waterline to the bottom of the keel is called the
draft
The vertical distance from the waterline to the edge of the lowest outside deck is called the
freeboards
The waterline, draft, and freeboards will ______ with he weight of the cargo carried by the ship
Change
The draft of a ship is measured in ______ ___ _____ and can be seen on the numbered scales painted on the side of the ship at the bow and stern.
feet and inches
The relationship between the drafts at the bow and the sterns is the
trim
When a ship os properly balances fore and add, it is
“in trim”
When a ship is drowning more water forward than aft, it is
“down by the head”
If the stern is too far down in the water, it is
“down by the stern”
If the vessel is out of balance laterally or athwartship (leaning to one side) it has a
list
A list can be to _______ or _______.
starboard or port
Shifting the weight of the cargo or transferring fuel and water from one tank to another can be used to adjust both the
trim and list.
The part of the bow structure above the water waterline is call
the stern
The general area in the forward part of the ship’s weather deck is the
forecastle
Along the edges of the water deck from bow to stern are removable stanchions and light wired ropes called
life lines.
The small drains on the deck are
scuppers
The uppermost deck running from the bow to the stern is called the
weather deck
The main deck are over the stern is called the
fantail or poop desk
the flat part of the bottom of the ship is called the
bilge
The curved section where the bottom meets the side is called the
turn of the bilge
The propellers are also called
screws
A ship with only one propeller is called a
single screw ship.
Ships with two propellers are called
twin-screw ships
Metal farms built around the propellers to protect them from damage are called
propeller guards
The _____ is used to steer the shipt
rudder
The first continuous watrertight deck that runs from the bow to the stern is called the
main deck
Any partial deck above the main deck is named
according to its location on the ship
The partial deck about the main deck at the bow is called
the forecastle deck
The partial deck above the main deck amidships is called the
upper deck
The partial deck about the main deck at the stern is called the
poop deck
The term ___ ____ includes all parts of the forecastle, main, upper and poop decks exposed to the weather.
weather deck
any structure build above the weather deck is call
superstructure
The front end of the ship is the
bow
When you move twos the bow, you are
going forwar
When the vessel is moving forward, it is
going ahead
When facing todays the bow the front-right side is the ___ ___ and the front-left side is the ___ ____/
Starboard bow and port bow
The central or middle area of a ship is
amidships
The right center side is the
starboard beam
the left center side of a ship is the
port beam
The rear os the vessel is
the stern
When you move towards the stern you are
going aft
When the ship moves backwards it is
going astern
The right red of the ship is called the ___ ____ and the left rear is call the ___ _____/
starboard quarter
port quarter
The side of the ship agains a pier when moors is referred to as being
inboard
the side of the ship away from the pier when the ship is moors is said to be
outboard
A ship’s size and capacity can be described in two ways
linear dimensions or tonnages
A ship’s measurement is expressed in
feet and inches
What is measured in feet and inches from the extreme forward end of the bow to the extreme aft end of the stern
A ship’s Length Overall
What is measured in feet and inches from the forward surface of the stem, or main bow perpendicular member, to the after surface of the sternpost or main stern perpendicular member, which on some vessels is a waterline measurement.
Length Between PErpendiculars
What is the ships length at the waterline called?
Length on Load Waterline. On vessels with a counter stern the LWL and LBP can be the same or about the same
A ship’s extreme breath is commonly called, _________. is measured in feet and inches from the most outboard point on one side to the most outboard point on the other at the widest point on the ship. This must include any projections on either side of the vessel.
beam
______ _____ is measured vertically from the lowest point of the hull, orgninarily from the bottom of the keel, to the side of any deck chosen as a reference point.
vessel depth
You must always know a vessel’s ___ or ___ ____ __- when preparing to enter port
vessels draft or maximum allowable draft
The numbers marked on each side of the bow and stern of a vessel showing the distance from the bottom of the keel to the waterline as called
Draft marks
The draft numbers are ___ ___ high and ____ ___ apart
6 inches and 6 inches
Where is the draft foot mark on draft numbers
the bottom
The safe-load mark for a vessel, according to season and geographical location is called the __________. This disk is 12 inches in diamete
Plimsoll mark. , intersected by a horizontal line18 inches long and 1 inch wide.
Where is the Plimsoll mark located?
Admidship on each side below the deck line.
What markings are used with th ePlimsoll mark to indicate the maximum permissible draft of the ship in different circumstances and seasons?
Ladling markings. They are horizontal, 9 inches long and 1 inches wide and extend from and at right angle to, a vertical line etched 21 inches forward of the loadline disk
The summer ladling is indicated bu
the upper edge of line marked S.
The winter loadline is indicated by
the upper edge of line marked Q
The winter North Atlantic loadline is indicated by
the upper edge of the line marked WNA
The tropical loadline is indicated by
the upper edge of a ling marked T.
The freshwater loadline in summers is marked by
the upper edge of a line marked F.
The allowance made for loading in freshwater at lordliness other than summer is the
difference between the freshwater loading in summer and the summer loadline
The ___ ___ mark is a line 12 inched long and 1 inches wide located on each side of the hull amidships directly opposite the main deck plating and directly over the loadline
main deckline
The work ton comes from
the English “tun” meaning cask or barrel. To the English, it meant a wine barrel with a capacity of about 252 gallons.
Tonnage is used to describe ships carrying capacity because of
duties imposed on wine barrels or tuns.
By law, Parliament fixed the tun at
252 gallons or 2,240 lbs
A long tun is how many ?
2,240 lbs about 12% more than the North American ton
A short ton or American ton is
2,000 bs
A Metric tons is
1,000 kg or 2,204.6 lbs.
