In mining, what is a drift?
A. Steep inclined tunnel
B. Horizontal access tunnel
C. Waste dump
D. Shaft ventilation pipe
Answer: Option B
Solution (By Examveda Team)
Drift is a horizontal passage in a mine, usually along the vein.The correct answer is: Horizontal access tunnelUsed for ore extraction, access, or infrastructure.Developed at different levels as needed.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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