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Standard emergency blow air tanks hold 3000psi air in them. However, they aren't normally used; during normal surfacing operations, a boat comes to periscope depth, raises its snorkel mast, then forces the water out using a Low Pressure Blower, which is essentially just a large hi-capacity fan. Sea pressure isn't that much above 100', so it takes a lot less pressure to force the water out with the LPB.
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What is sonar technology used for?
It is used for detecting submarines under water.
Why does submarines have to go under water?
Submarines are built with a special design that allows them to be faster underwater. Submarines can be used during a war as a way to sneak up to enemy lines in the water, but still stay hidden.
Which instrument is used in submarines to observe the surface of water?
A Periscope or Radar
What is the mechanism inside the motor which you used to pump water?
Water pumpWater pump
Which Instrument is used by submarines underwater to get a view above the surface of water?
periscope
How were periscopes used and how are they used now?
They were used in the first world war in submarines. The are used now also for submarines and also war tanks. The outer coating of the periscope for the submarines were firm and waterproof for protection from the water pressure. As for the war tank the periscope is able to turn 360 degrees.
Why is A submarine only used under water?
Because Submarines don't fly very well.
What capacity of pump to be used to lift water at a height of 10 mtr?
Capacity is more usually used to refer how much water the pump can shift in a minute, you're looking for something else. Having the pump 10 meters above the waterline is just about borderline possible, the pump must be able to pull a near vacuum to get the water that high. Pushing water 10 m above the level of the pump OTOH is no big deal.
Who used the submarines?
During WW2, all the major countries involved used submarines.
What is a device used to move water out?
It is the water pump.
What is the device used to pump out excess water in freshwater organisms?
Water gun; Hydro pump.
What is the dragon backbone pump?
The dragon backbone pump was a pump used and invente during the Song dynasty that was used to pump water out of water deposits. It allowed one farmer to do the work of several.
