What is an advantage of a spiral ramp over a vertical shaft?
A. Faster development
B. Lower initial capital cost
C. Higher hoisting capacity
D. Better for deep deposits
Answer: Option B
Solution (By Examveda Team)
Spiral ramps are inclined tunnels used for vehicular access.The correct answer is: Lower initial capital costCheaper to construct than shafts, though slower for deep ore bodies.Suited for shallow to moderate depths.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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