What is the key factor in choosing between vertical crater retreat and sublevel stoping?
A. Water table depth
B. Orebody geometry and height
C. Drill diameter
D. Diesel equipment type
Answer: Option B
Solution (By Examveda Team)
Vertical Crater Retreat (VCR) and Sublevel stoping differ in layout and fragmentation.The correct answer is: Orebody geometry and heightVCR is good for tall, steep bodies; sublevel stoping for medium height.Geometry directly affects method suitability.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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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