Q198
What is the purpose of scaling in underground mining?
A.
Support installation
B.
Removing loose rock
AnswerC.
Drilling boreholes
D.
Explosive loading
Answer: Option B
Solution
Answer: Option B
Solution:
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.