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Is coal common

Updated: 9/14/2023
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12y ago

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Yes.

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Q: Is coal common
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Continue Learning about General Science

What are some common uses of coal as an energy source?

One of the uses of coal is for power.


What are the advantage of coal over wood as fuel resources?

Although wood is very common, coal lasts forever on a torch and lasts longer in a furnace.


A solid fuel which can be used in a boiler or an open fire?

One example of a solid fuel is coal. Coal was used in many early factories during the beginning of the industrial, but was phased out because it was not a clean burning fuel source.


What is the parent rock for anthracite coal?

Peat (not much of a rock).


Short note on different varieties of coal?

There are four types of coal as under:Lignite coalUsed almost exclusively for electric power generation lignite is a young type of coal. Lignite is brownish black, has a high moisture content (up to 45 %), and a high suphur content. Lignite is more like soil than a rock and tends to disintegrate when exposed to the weather. Lignite is also called brown coal. Lignite has a colorific value of less than 5 kw/kg approximately.Subbituminous coalSubbituminous coal is also called black lignite. Subbituminous coal black and contains 20-30 % moisture. Subbituminous coal is used for generating electricity and space heating. Subbitumnious coal has calorific values ranging from 5 - 6.8 kW/kG approximately.Bituminous coalBituminous coal is a soft, dense, black coal. Bituminous coal often has bands of bright and dull material in it. Bituminous coal is the most common coal and has a moisture content less than 20 %. Bituminous coal is used for generating electricity, making coke, and space heating.Bituminous coal has calorific values ranging from 6.8 - 9 kW/kG approximately.Anthracite coalOften referred to as hard coal, anthracite is hard, black and lustrous. Anthracite is low in suplhur and high in carbon. It is the highest rank of coal. moisture content generally is less than 15 %.Anthracite has a calorfific values of around 9 kW/kG or above.