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

called a ballast tank. Water should be moved in and out from the ballast tank to balance the ship. In a vessel that travels on the water, the ballast will...

An emergency main ballast tank blow is a procedure used aboard a submarine that forces high-pressure air into its main ballast tanks. The high-pressure...

ballast". This keeps the vessel in trim and keeps the propeller and rudder submerged. Typically, being "in ballast" will mean flooding ballast tanks with...

Corrosion in Ballast Tanks is the deterioration process where the surface of a ballast tank progresses from microblistering, to loss of tank coating, and...

Saddle tanks are a type of ballast tank configuration fitted to submarines. Saddle tanks are fitted in pairs external to the pressure hull, one on each...

type name of a locomotive so fitted. Saddle tank (submarine), an early type of ballast tank Two "Saddle tanks" are often used by Semi-trailer trucks. This...

A tank transporter is a combination of a heavy tractor unit or a ballast tractor and a mating full trailer, hydraulic modular trailer or semi-trailer (typically...

a valve fitted to the top of a submarine's ballast tanks to let air escape from the top of the ballast tank and be replaced by water entering through the...

An electrical ballast is a device placed in series with a load to limit the amount of current in an electrical circuit. A familiar and widely used example...