Sesa Goa Iron Ore Sampler Interview Questions and Answers

Coal is a fossil fuel formed from the remains of plants that lived and died millions of years ago.

• Coal is primarily composed of carbon, along with various other elements like hydrogen, sulfur, and oxygen.

• There are four main types of coal: anthracite, bituminous, sub-bituminous, and lignite.

• Anthracite is the highest rank of coal and has the highest carbon content.

• Bituminous coal is the most commonly used type and is wid...read more

The best coal is anthracite coal.

• Anthracite coal is the highest quality coal with the highest carbon content.

• It burns cleaner and produces less smoke and ash compared to other types of coal.

• Anthracite coal has a high energy density, making it more efficient for heating and industrial uses.

• It is commonly used in residential heating, steel production, and electricity generation.

• Examples of anthracite coal-producing regio...read more