Q14
A drift in underground mining is:
A.
A vertical shaft
B.
An inclined ramp
C.
A horizontal tunnel
AnswerD.
A backfilled stope
Answer: Option C
Solution
Answer: Option C
Solution:
Drift is a horizontal passage driven in ore or waste.The correct answer is: A horizontal tunnelUsed for access, haulage, or development purposes.It runs parallel to the ore body or along the vein.