Which of the following techniques is used to ensure controlled rock fragmentation?
A. Backfilling
B. Blasting pattern design
C. Timber setting
D. Water pumping
Answer: Option B
Solution (By Examveda Team)
Blasting pattern design involves planning hole spacing and charge size.The correct answer is: Blasting pattern designControls fragmentation size, safety, and wall stability.Essential for production and development blasts.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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