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.Related Questions on Mine Development and Mining Methods
What is the primary purpose of mine development?
A. Extraction of ore
B. Ventilation planning
C. Accessing ore body
D. Waste disposal
A. Shaft
B. Adit
C. Stope
D. Raise
A. Room and Pillar
B. Cut and Fill
C. Block Caving
D. Shrinkage Stoping
Which of the following is not an underground mining method?
A. Open-pit mining
B. Shrinkage stoping
C. Sublevel stoping
D. Cut and fill

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