The size of galleries required for employing model 625 Auger drill . . . . . . . .
A. 4.2 m × 2.6 m
B. 4.5 m × 2.6 m
C. 4.8 m × 3 m
D. 2.4 m × 2.8 m
Answer: Option B
This Question Belongs to Mining Engineering >> Mining Machinery
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