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Ballast tank - Wikipedia

en.wikipedia.org/wiki/Ballast_tank

A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide stability for a vessel.

What is Ballast Water? Ballast Tanks and Ship Ballast

www.brighthubengineering.com/naval-architecture/66722-what-is-ballast-water/

Mar 20, 2010 ... Ballast water is the sea water taken into the ballast tanks of the ship to maintain ship's stability. Larger the size of the ship, greater the stability it ...

www.ask.com/youtube?q=What Is a Ballast Tank?&v=JwMWTwhJWQc
Mar 10, 2014 ... In the middle of nothing the ballast water is changing by overfill due to bad weather.

What is Ballasting and De-ballasting? - Marine Insight

www.marineinsight.com/guidelines/what-is-ballasting-and-de-ballasting/

Jul 21, 2016 ... Ballasting and de-ballasting is a process by which sea water is taken in and thrown out of the ship's dedicated ballast tanks in order to ensure ...

www.ask.com/youtube?q=What Is a Ballast Tank?&v=DdaPMXPMOO8
Apr 18, 2015 ... Video shows what ballast tank means. One of several external or internal tanks fitted in submarines; when filled with seawater they allow the ...

How to Operate a Ship's Ballast System? - Marine Insight

marineinsight.com/?p=7295

Jul 21, 2016 ... When filling ballast tanks with ballast pumps it should be observed that the motors are not overloaded (check current in ammeter). If this occurs ...

What is a Ballast Tank? (with pictures) - wiseGEEK

www.wisegeek.com/what-is-a-ballast-tank.htm

A ballast tank is a structure that's used to provide an adjustable point of equilibrium to aquatic equipment. It's controlled by...

Ballast Tank | Definition of Ballast Tank by Merriam-Webster

www.merriam-webster.com/dictionary/ballast tank

Define ballast tank: a tank in the hold of a ship that can be pumped full of or free from water ballast.

Diving and Surfacing - How Submarines Work | HowStuffWorks

science.howstuffworks.com/transport/engines-equipment/submarine1.htm

To control its buoyancy, the submarine has ballast tanks and auxiliary, or trim tanks, that can be alternately filled with water or air (see animation below).

What Is a Ship Ballast Water System? - Maritime - About.com

maritime.about.com/od/Ports/a/What-Is-Ballast-Water.htm

A ballast water system allows a ship to pump water in and out of very large tanks to compensate for a change in cargo load, shallow draft conditions, or weather.