Mystery of SUBMARINE:How to Made and Work..

 SUBMARINE

     A submarine is usually a mechanical  vessels that can travel long distances below sea level.  

  Tell of Making Submarine

      Submarines can run on water surface as well as under water surface.The submarine-like vehicle was invented in the early 17th century;But in the 19th century, two American researchers,John.P.Holland and Simon Lake succeeded in building the submarine.It used a combination of combustion engines and batteries.The first and second of these submarines, Played an important role in World War-II.These submarines terrorized many ships and military vessels.  

  Parts of Submarine

       A submarine is like a large airtight ark in the shape of a ship.Its surface is made of metal to withstand the tremendous pressure of water at the bottom of the ocean.Submarines run on fuel such as petrol,diesel or nuclear power (nuclear power).It has empty chambers filled with air.These chambers remain on the surface when empty.When these chambers are filled with water, their weight increases and they go down into the water.Its ‘hydroplanes’, like a fishing net,help maintain the balance of a submarine when it sinks or rises.  

How to Work 'Abyss'

  

     A submarine is a very complex vehicle made up of thousands of small and large parts.Its design and operation are intricate.Nuclear-powered submarines can travel hundreds of kilometers without coming to the surface. Submarines are mainly used in warfare.It is also useful for conducting research at the bottom of the ocean.Modern submarines are equipped with catastrophic nuclear missiles.This uses a computer to determine the direction of the submarine.Nuclear-submarines also travel under the Ardic ice sheet to explore unfamiliar areas of the ocean.

     Many people refer to the submarine as the 'abyss'.However, this fairy is a deadly vehicle, which can bring a terrible nightmare for the enemy.It is difficult to find a submarine that has been hiding in a dark sea for months or two.However, such a submarine can detect the sound of ships passing through or around the water.  

Types and uses of submarine.. 

      In 1908, Britain invented the most powerful diesel-powered submarines and used them extensively in subsequent wars.Germany used submarines extensively during World War-I and proved its destructive strength in battle.During World War-II, a German U-boat submarine sank several merchant ships.Radar and sonar devices were then invented to capture the exact location and direction of submarines.In the 1954, the US Navy launched the first nuclear submarine, the "Nautilus".The United States achieved another milestone in 1960 by inventing the ballistic submarine.England added this type of submarine to its navy in the 1967.During the 1950- '90s, the Soviet Union had larger and more powerful submarines than the West.It also had a large fleet of nuclear submarines.Over time, many countries such as Britain, France, and China also added nuclear submarines to their navies.  

     Compared to the submarines that the developed countries of the world have, the number of submarines that India has, their size and destructive power seems dwarfed.However, in 2012, India got a new nuclear submarine 'Chakra' from Russia.An indigenously-built nuclear submarine, the 'Arihant', has also been developed that can stay in the water longer than a conventional submarine.Thus, two nuclear submarines have joined the navy's fleet to protect India's vast coastline.  

       Submarines play the most covert intelligence operation in any defense force in the world.The enemy Accidents sometimes occur in these submarines, which stay in deep water for days to keep an eye on ships or their  satellites and guard the country's waters.Such accidents have plagued India as well.Yet the Indian Navy is now steadily increasing its strength with advanced submarines.