Which of the following is a major hazard in block caving mines?
A. Flooding
B. Subsidence
C. Gas emission
D. Roof bolting failure
Answer: Option B
Solution (By Examveda Team)
Block caving causes large-scale underground voids to collapse naturally.The correct answer is: SubsidenceThis leads to surface subsidence, often over wide areas.Monitoring and mitigation are critical.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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