Q238
What is the main role of ground monitoring instruments like extensometers?
A.
Fuel management
B.
Drill bit inspection
C.
Detect ground movement
AnswerD.
Increase ore grade
Answer: Option C
Solution
Answer: Option C
Solution:
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.