Which of the following stoping methods uses vertical crater retreat blasting?
A. Sublevel caving
B. VCR mining
C. Cut and fill
D. Room and pillar
Answer: Option B
Solution (By Examveda Team)
VCR (Vertical Crater Retreat) uses downward drilling and crater blasting.The correct answer is: VCR miningEffective in competent ore with a vertical geometry.Allows safe remote drilling and blasting.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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