What is "advance rate" in the context of tunnel development?
A. Number of workers per shift
B. Distance mined per day
C. Ore recovered per blast
D. Volume removed per cycle
Answer: Option B
Solution (By Examveda Team)
Advance rate measures how fast a tunnel progresses.The correct answer is: Distance mined per dayTypically expressed in meters/day or feet/day.Influenced by rock type, equipment, and method.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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