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The main parts of a ship

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by

Vera Abramova

on 12 December 2015

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Transcript of The main parts of a ship

Parts of the hull
The main body of a ship is the

hull
Navigating bridge
Contains :
height of the ship
there are three type of height of the ship:
Displacement
The
displacement

is the weight of the ship and is the weight o the displaced liquid
Tonnage
There are two type of tonnage
:
Above the main deck
The superstructure is the permanent housing above the main deck
The main parts of a ship
It is divided into three parts:
the
bow
the
stern

the
amidships
The sides of the hull are divided by the
waterline
it is divided in:
The
forecastle
the
quater deck
the
bridge
within the hull
The hull is divided into a number of watertight compartments by:
Decks
Bulkheads
The space between the holds and the bottom contains

double bottom tanks
that are used for
ballast water
and
fuel
the
wheelhouse
the
chart-room
Is the operational control centre for the sailing of the ship
Ships' measurements
There are three measuremes into consideration for the length of the hull:
the
length between perpendiculars
the
length at the waterline
the
length overall
The maximum
breadth
of the hull is measured amidships
the
depth
refers to the internal depth of the hull
the
air draft
the
draft
the
freeboard
there are three different type of displacement:
the

light

displacement
the

load displacement
the

deadweight (
DWT
)
load line
Gross tonnage
Net tonnage

boats

are small open vessels
Ships

can be of a considerable size
Qualitites of ships and boats
ship must have a number of navigational qualities:
Buoyancy
Stability
Manoeuvrability
Sea-kindliness
Movability
Merchant ship
Passenger ships
Ferries
connect two ports across channels
Other types of Merchant ships
Cruise ships
Cargo ships
OBO carrier
Container ships
Geographical coordinates
The Earth orbits around the Sun and it takes 365 days which we call a
year
.
The ends of the axis, are located at the opposite ends of the planet at points we call the North and South
Poles
the
Equator
divides the Earth into two
hemispheres
Parallels and meridians
The
Equator

Meridians
and
parallels

Geographical coordinates
Latitude
longitude
Energy
potential energy
Kinetic energy
Prymary energy
Derive directly from an energy source existing in nature

Mechanical energy

thermal energy

chemical energy

nuclear energy
Secondary energy
is energy that is obtained from the conversion of some type of primary energy

Renewable energy sources

non-renewable energy sources
we can divide the primary energy in:
Renewable energy are

fossil fuels

gas

oil
Renewable energy are

Sun

water

wind
the greenhouse effect
CO2
It causes:
Full transcript