Which development method is used when fast access to deep ore is needed?
A. Inclined shaft
B. Spiral ramp
C. Vertical shaft sinking
D. Raise boring
Answer: Option C
Solution (By Examveda Team)
Vertical shaft sinking provides direct, quick access to deep ore zones.The correct answer is: Vertical shaft sinkingFaster than ramps for deep deposits.Used for hoisting, ventilation, and transport.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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