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Презентация на тему Ship size

Archimedes' principle A ship fully afloat displaces water equal to its own weight. For that reason a ship’s weight is expressed in terms of displacement.
UNIT ISHIP SIZE Archimedes' principle	A ship fully afloat displaces water equal to its own weight. Displacement is defined as  light displacement and load displacement Light displacement is the weight of liquid displaced by a vessel when Load displacement is the weight of liquid displaced by a vessel when DEADWEIGHT	The difference between the load displacement and the light displacement is the TONNAGE	Tonnage is a measurement of the enclosed volume of a ship used Gross tonnage is the volumetric capacity of the spaces in the ship's Net tonnage is the moulded volume of cargo spaces, the number of ANSWER THE QUESTIONS	1-What do you understand by Archimedes’ principle? 2-What is light displacement? 3-Is tonnage and displacement the same? A- Fill in the blanks with appropriate adjectives given below. different / B-Fill in the blanks with suitable prepositions.  At(2)-on(2)-in(4)-across-through(2)-into(2)-onto-from-to1- Egyptian 6- …… the past, drawings were prepared for every part of the “The weight of water displaced by a ship when floating with no “The weight of water displaced by a ship when floating with no
Слайды презентации

Слайд 2 Archimedes' principle
A ship fully afloat displaces water equal

Archimedes' principle	A ship fully afloat displaces water equal to its own

to its own weight.
For that reason a ship’s

weight is expressed in terms of displacement.

Слайд 4 Displacement is defined as
light displacement
and

Displacement is defined as light displacement and load displacement


load displacement


Слайд 5 Light displacement is the weight of liquid displaced

Light displacement is the weight of liquid displaced by a vessel

by a vessel when floating with no cargo, fuel,

stores or any other weights not forming part of the hull or machinery or fixed equipment of vessel.

Слайд 6 Load displacement is the weight of liquid displaced

Load displacement is the weight of liquid displaced by a vessel

by a vessel when floating with cargo, fuel, stores

any other weights.

Слайд 7 DEADWEIGHT
The difference between the load displacement and the

DEADWEIGHT	The difference between the load displacement and the light displacement is

light displacement is the deadweight.

Deadweight (DWT) is the
cargo-carrying

capacity of the vessel

Слайд 8 TONNAGE
Tonnage is a measurement of the enclosed volume

TONNAGE	Tonnage is a measurement of the enclosed volume of a ship

of a ship used to describe her cargo capacity

and does not indicate displacement

Слайд 9 Gross tonnage is the volumetric capacity of the

Gross tonnage is the volumetric capacity of the spaces in the

spaces in the ship's hull and of the enclosed

spaces above the deck available for cargo, stores, fuel, passengers, and crew..

Слайд 10 Net tonnage is the moulded volume of cargo

Net tonnage is the moulded volume of cargo spaces, the number

spaces, the number of passengers carried, moulded depth, and

service draught; net tonnage gives an indication of the ship’s earning capacity.

Слайд 11 ANSWER THE QUESTIONS
1-What do you understand by Archimedes’

ANSWER THE QUESTIONS	1-What do you understand by Archimedes’ principle?

principle?


Слайд 12 2-What is light displacement?

2-What is light displacement?

Слайд 13 3-Is tonnage and displacement the same?

3-Is tonnage and displacement the same?

Слайд 14 A- Fill in the blanks with appropriate adjectives

A- Fill in the blanks with appropriate adjectives given below. different

given below. different / salt / even / enclosed /

international / similar

1-The dimensions of containers and size of ships are regulated by ….…………rules.
2-The draught change whether the ship in fresh water or ….……………water.
3-If the ship has no trim, this means the ship is on an ….………………keel.
4-Displacement and tonnage are ….…………… terms.
5-Some ….………………spaces of a ship must be protected against fire.


Слайд 15 B-Fill in the blanks with suitable prepositions. At(2)-on(2)-in(4)-across-through(2)-into(2)-onto-from-to
1-

B-Fill in the blanks with suitable prepositions. At(2)-on(2)-in(4)-across-through(2)-into(2)-onto-from-to1- Egyptian ships

Egyptian ships traded ……….. the Mediterranean.
2- Steamships travelled

……… Europe ………. China by passing …….. Suez Canal.
3- Platforms were built for defence ……….. the fore and aft ends.
4- Diesel engines were first used ……….. vessels ……..1912.
5- Ships are built ……….. shipyards.

Слайд 16 6- …… the past, drawings were prepared for

6- …… the past, drawings were prepared for every part of

every part of the ship ……. a mould loft.
7-

The design is passed ……….. numerically controlled cutting machines.
8- The design of ship’s structure is translated ……….. digital signals.
9- Ships are assembled ……….. the sloping ways .
10- The cargo is loaded or unloaded ……….. hatches by derricks
11- The people on board are accommodated ……….. cabins.
12 The liquid petroleum products are pumped …….. the tanks.


Слайд 17 “The weight of water displaced by a ship

“The weight of water displaced by a ship when floating with

when floating with no cargo, stores, fuel etc.”
a. gross

tonnage
b. load displacement
c. light displacement
d. net tonnage
e. tare

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