Question

what are the characteristics of a good quality coal?

Answer 1

Explanation:

Characteristics of Coal

Anthracite – contains between 86% and 98% carbon by weight and it burns in boilers slowly.

Bituminous – contains between 69% & 86% carbon by weight.

Sub-bituminous – contains less carbon, more water and is a less efficient source of heat for boilers.

Lignite – contains up to 70% water by weight.

Answer 2

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Characteristics of Coal

• Anthracite – contains between 86% and 98% carbon by weight and it burns in boilers slowly.
• Bituminous – contains between 69% & 86% carbon by weight.
• Sub-bituminous – contains less carbon, more water and is a less efficient source of heat for boilers.
• Lignite – contains up to 70% water by weight.