What is the purpose of backfilling in mining?
A. Ore extraction
B. Roof support
C. Material hauling
D. Explosive storage
Answer: Option B
Solution (By Examveda Team)
Backfilling refers to placing waste or material into mined-out stopes.The correct answer is: Roof supportIt stabilizes the ground, prevents subsidence, and improves safety.Used in methods like cut and fill or where voids must be filled.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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