What do you mean ballast?

What do you mean ballast?

In general, ballast means something that provides stability or weight. In a specific sense, it’s most commonly used to refer to heavy material used to stabilize a vessel, such as a ship, especially when it’s not carrying cargo. Ballast can also be used as a verb meaning to provide a ship with a material for ballast.

How do you use the word ballast?

Ballast sentence example

1. The weight of each leaf including ballast is about 1070 tons.
2. I had better take up shoveling ballast for the New track!
3. A balloon may leave the earth with a charge, or become charged through discharge of ballast .
4. From falling on to the platform, ballast , &c.: – (a) When entering trains.

Why do ships need ballast?

Ships. To provide adequate stability to vessels at sea, ballast weighs the ship down and lowers its centre of gravity. These ballast tanks are connected to pumps that pump water in or out. Crews fill these tanks to add weight to the ship and improve its stability when it isn’t carrying cargo.

What are ballast elements?

Elements such as aluminium and silicon have been called ballast elements by investigators who refuse to attribute any useful metabolic function to these elements because they are usually present in large amounts in plant tissues though the plant can be grown perfectly normally without them.

Why is it called ballast?

The term “ballast” comes from a nautical term for the stones used to stabilize a ship. Not all types of railway tracks use ballast.

What is emotional ballast?

ballast Add to list Share. A ballast is any heavy material that helps to make a ship or plane stable, including metaphorical ships like your mood. If you hate school, the thought of a weekend coming might be a ballast for your mood.

What is a synonym for ballast?

In this page you can discover 31 synonyms, antonyms, idiomatic expressions, and related words for ballast, like: equipoise, judgment, load, poise, sandbags, brace, sandbag, tamping, counterweight, self-control and stability.

Why is it called a ballast?

What is a ballast wall?

Definition : Narrow wall forming part of the abutment to prevent the earth fill reaching the abutment sill and bearings [Austroads/PIARC]. Synonyms : backwall.

Which is the correct definition of the word ballast?

bal·​last | \ ˈba-ləst \. (Entry 1 of 2) 1 : a heavy substance (such as rocks or water) placed in such a way as to improve stability and control (as of the draft of a ship or the buoyancy of a balloon or submarine) tossed several tons of ballast overboard.

What do you mean by ballast water management?

As defined by the BWM Convention, “Ballast Water Management means mechanical, physical, chemical, and biological processes, either singularly or in combination, to remove, render harmless, or avoid the uptake or discharge of Harmful Aquatic Organisms and Pathogens within Ballast Water and Sediments.”

Where does the ballast water on a ship come from?

Ballast water is freshwater or ocean water stored in a ship’s hull to provide stability and improve maneuverability during a voyage.

What is the purpose of a 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.