The core sizes where wire line drilling technique is adopted are for NX holes
A. 25 mm
B. 35 mm
C. 44 mm
D. 54 mm
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