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Which technique is used to measure rock stability in underground openings...

This question belongs to Mining Engineering Mine Development And Mining Methods
Mine Development and Mining Methods
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Which technique is used to measure rock stability in underground openings?

Answer & Solution
Correct Answer: Option C
RMR (Rock Mass Rating) classifies the quality of rock mass.The correct answer is: Rock mass rating (RMR)It evaluates rock joints, strength, groundwater, and orientation.Helps in selecting support systems and mining methods.
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