What is the purpose of scaling in underground mining?
A. Support installation
B. Removing loose rock
C. Drilling boreholes
D. Explosive loading
Answer: Option B
Solution (By Examveda Team)
Scaling involves removing loose rock from walls and roof.The correct answer is: Removing loose rockEnsures a safer work area by preventing rock falls.Typically done manually or with mechanical scalers.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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