The shape of the pillar in steep seams for haulage and loading and in flat and inclined seams for adoption of high capacity machinary like shuttle cars and locomotives is
A. Square
B. Circular
C. Rhombus
D. Rectangular
Answer: Option C
This Question Belongs to Mining Engineering >> Coal Mining
Related Questions on Coal Mining
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
Join The Discussion