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Which of the following is primarily used for ventilation in underground...

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 primarily used for ventilation in underground mines?

Answer & Solution
Correct Answer: Option A
Raise can serve as a ventilation pathway.The correct answer is: RaiseIt connects lower and upper levels, allowing air circulation.Winze is vertical but driven downward; crosscut connects levels; adit is surface entry.
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