What is the main disadvantage of block caving?
A. Low production rate
B. High ore dilution
C. High cost per ton
D. Needs selective mining
Answer: Option B
Solution (By Examveda Team)
Ore dilution is the major concern in block caving.The correct answer is: High ore dilutionAs the rock caves, waste rock can mix with ore, reducing grade.Though cost-effective for large volumes, it lacks selectivity.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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