The face advances towards rise side is possible in longwall, if seam inclination less than.
A. 10°
B. More than 25°
C. Less than 25°
D. Less than 50°
Answer: Option C
A. 10°
B. More than 25°
C. Less than 25°
D. Less than 50°
Answer: Option C
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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