What is the primary use of a raise in underground mining?
A. Material transport
B. Ventilation and access
C. Ore grinding
D. Roof support
Answer: Option B
Solution (By Examveda Team)
Raise is a vertical or inclined opening connecting different levels.The correct answer is: Ventilation and accessUsed for air circulation, ore transfer, or escape routes.Often developed using raise boring or Alimak.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
Join The Discussion