Q158
In which condition is shrinkage stoping most effective?
A.
Irregular ore body
B.
Soft ore and weak walls
C.
Narrow ore body with firm walls
AnswerD.
High groundwater flow
Answer: Option C
Solution
Answer: Option C
Solution:
Shrinkage stoping is ideal for narrow, steeply dipping ore bodies with competent rock.The correct answer is: Narrow ore body with firm wallsBroken ore supports walls during stoping.Not suitable for weak ground.