Which factor makes decline development more favorable than shaft sinking?
A. High ore grade
B. Deep ore body
C. Small production rate
D. Vertical ore deposit
Answer: Option C
Solution (By Examveda Team)
Declines are cost-effective for shallow to moderate depths and smaller outputs.The correct answer is: Small production rateCheaper to build and allows rubber-tired vehicle access.Ideal when quick access is needed.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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