The level roadways are dipping at a mild gredient between . . . . . . . .
A. 1 in 50 and 1 in 75
B. 1 in 100 and 1 in 150
C. 1 in 4 and 1 in 3
D. 1 in 10 and 1 in 20
Answer: Option B
This Question Belongs to Mining Engineering >> Metal Mining
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The ore loaded in shrinkage stoping by . . . . . . . .
A. Over head mucker
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A. More
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