The type of pumps generally used for dewatering of shaft sinking
A. Axid flow
B. Mono pumps
C. Centrifugal
D. Turbine pumps
Answer: Option C
This Question Belongs to Mining Engineering >> Coal Mining
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The required water for 1 ton of sand in hydraulic sand stowing is . . . . . . . .
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C. 1100 l
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