Question

what are the main causes of fire in coal mines?​

Answer 1

Explanation:

The auto oxidation of coal ultimately leads to spontaneous combustion which is the major root cause for the disastrous of coal mine in leading and coal producing countries like USA, China, Australia, India and Germany. It is a slow process and the heat evolved is carried away by air.

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Answer 2

Explanation:

Coal is associated with deposits of methane. When this methane gets exposed as a result of the digging, it gets mixed with air and forms an explosive mixture. A small spark can set off this mixture and cause explosions and fire.