What is the main role of ground monitoring instruments like extensometers?
A. Fuel management
B. Drill bit inspection
C. Detect ground movement
D. Increase ore grade
Answer: Option C
Solution (By Examveda Team)
Extensometers and similar tools monitor ground stability.The correct answer is: Detect ground movementUsed to prevent roof falls and structural failures.Part of geotechnical monitoring programs.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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