Q220
In mining, what is a drift?
A.
Steep inclined tunnel
B.
Horizontal access tunnel
AnswerC.
Waste dump
D.
Shaft ventilation pipe
Answer: Option B
Solution
Answer: Option B
Solution:
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.