The process of enlarging a shaft or tunnel is called:
A. Backfilling
B. Slashing
C. Reaming
D. Scaling
Answer: Option B
Solution (By Examveda Team)
Slashing refers to enlarging underground openings.The correct answer is: SlashingUsed to improve access or increase production capability.Different from reaming, which enlarges boreholes.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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