In horizon mining laterals are driven
A. At right angle to strike
B. Parallel to strike
C. At 45° to strike
D. None
Answer: Option B
A. At right angle to strike
B. Parallel to strike
C. At 45° to strike
D. None
Answer: Option B
The required water for 1 ton of sand in hydraulic sand stowing is . . . . . . . .
A. 800 l
B. 600 l
C. 1100 l
D. 1200 l
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