The . . . . . . . . type of explosives used for blasting in shaft sinking
A. Gelatinous
B. Non-Gelatinous
C. Powdery
D. Permitted
Answer: Option A
A. Gelatinous
B. Non-Gelatinous
C. Powdery
D. Permitted
Answer: Option A
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