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Scuba divers also wear lead weights on a belt

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βˆ™ 2009-12-21 17:05:48
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Q: How do scuba divers sink if they ave tanks of compressed air on their backs?
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How do scuba divers sink if they have tanks of compressed air on their backs?

they have weight belts


Mixture of gases for scuba diving tanks compared to normal atmospheric air?

Most SCUBA divers dive with compressed air, which is normal atmospheric air compressed into a scuba tank.


What elements are in air tanks scuba divers use?

Generally compressed air (oxygen 20 % and nitrogen 80 %; for other mixtures see the link bellow.


How does helium affect oxygen tanks for scuba divers?

it doesn't affect the tank


If there is no oxygen on the moon then how does the man in the moon breathe?

By oxygen tanks - similar to SCUBA divers.


Are scuba tanks hydraulic or pneumatic?

SCUBA tanks are metal (usually steel or aluminum) that are filled with compressed air. This is loosely related to a pneumatic system.


Would a scuba divers tank filled with compressed air last longer than normal pressure air?

It definitely would. Also, a tank filled with non-compressed air would be nearly impossible to use because air wouldn't flow out of it without an enormous amount of effort. For these reasons, all tanks used by divers are filled with compressed air.


Scuba tanks have wh at noble gas in them?

Some advanced divers dive using gas mixtures including Helium.


Why do scuba divers need to bring oxygen tanks while fishes do not?

Because fish have gills and can breathe under water and humans do not


Why does a scuba diver need increased gas in the air tank?

Scuba divers require increased air pressures in their air tanks while diving because the pressure on their bodies increases.


Why does a scuba diver need increased gas pressure in the air tank?

Scuba divers require increased air pressures in their air tanks while diving because the pressure on their bodies increases.


What gases are in a scuba tank?

The majority of gas used in most SCUBA tanks is compressed air. This air is composed of the same elements everywhere - 21% Oxygen 79% Nitrogen. Advanced SCUBA divers may use an "enhanced" mixture of 32% (up to about 40%) Oxygen with the balance being Nitrogen. The number of divers who use a mixture like this is about 2 to 5% of all certified divers. Less than 1% of all divers may use a special Tri-mix of some rather exotic gases to allow very deep dives - however, it takes years of instruction and training to use these exotic mixes.

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