Which technique is used to measure rock stability in underground openings?
A. Compressed air testing
B. Seismic reflection
C. Rock mass rating (RMR)
D. X-ray diffraction
Answer: Option C
Solution (By Examveda Team)
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.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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
Join The Discussion