What is Submarine?
A submarine is a watercraft capable of independent operation under water.It differ from a submersible which has more limited underwater capability.
Invention:
Submarines invented by Cornelia drebbel Dutch poly math. Its made up of wood and leather covered with Greece. The first country which used submarines for military purpose is america. It was designed during 19th century. It consists of cylindrical body with hemispherical ends and a vertical structure.
Submarines mainly used for military purpose like attacking enemy surface ships, aircraft protection, land attack etc. It is also used to study marine science, salvage, exploration facility inspection, technology and under sea archaeology.
How submarines works?
When the submarine surfaces compressed air flows from the air flasks into the ballast tanks and the water is forced out of the submarine until it's overall density is less than the surrounding water and the submarine rises.
Ie in simple terms: when the water is filled in the ballast tank submarine weight increased and it slowly immersed in water.when water starts to going out the tank will fill with air and submarine starts to coming up.
Now a days submarines used nuclear power to work.because if it is worked based on diesel/petrol air is mandatory. So now a days nuclear power is used as fuel.
Electrolysis:
Water consists of oxygen and hydrogen. Through electrolysis oxygen is separated and it's used for human lives.Food is preserved for atleast 6 months.
Periscope:
It is the eyes of submarine. It shows the route to the captain with 360 degree angle.
Red colour light is used inside the submarine. While using red colour then easy to see dark also. After using white colour our eyes are not visible at dark.
Thank you!!!
A submarine is a watercraft capable of independent operation under water.It differ from a submersible which has more limited underwater capability.
Invention:
Submarines invented by Cornelia drebbel Dutch poly math. Its made up of wood and leather covered with Greece. The first country which used submarines for military purpose is america. It was designed during 19th century. It consists of cylindrical body with hemispherical ends and a vertical structure.
Submarines mainly used for military purpose like attacking enemy surface ships, aircraft protection, land attack etc. It is also used to study marine science, salvage, exploration facility inspection, technology and under sea archaeology.
How submarines works?
When the submarine surfaces compressed air flows from the air flasks into the ballast tanks and the water is forced out of the submarine until it's overall density is less than the surrounding water and the submarine rises.
Ie in simple terms: when the water is filled in the ballast tank submarine weight increased and it slowly immersed in water.when water starts to going out the tank will fill with air and submarine starts to coming up.
Now a days submarines used nuclear power to work.because if it is worked based on diesel/petrol air is mandatory. So now a days nuclear power is used as fuel.
Electrolysis:
Water consists of oxygen and hydrogen. Through electrolysis oxygen is separated and it's used for human lives.Food is preserved for atleast 6 months.
Periscope:
It is the eyes of submarine. It shows the route to the captain with 360 degree angle.
Red colour light is used inside the submarine. While using red colour then easy to see dark also. After using white colour our eyes are not visible at dark.
Thank you!!!
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