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.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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