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Which of the following is used to prevent spontaneous combustion in...

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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Which of the following is used to prevent spontaneous combustion in coal mines?

Answer & Solution
Correct Answer: Option A
Spontaneous combustion occurs when coal oxidizes and self-heats.The correct answer is: Nitrogen injectionNitrogen displaces oxygen, stopping oxidation.Other methods include sealing and temperature monitoring.
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