In India coal seams over . . . . . . . . m thick are considered as thick seams.
A. 4.5m
B. 4.9m
C. 5.2m
D. 5.8m
Answer: Option A
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
Scaffold not required in . . . . . . . . tubbing
A. Over hung tubby
B. Under hung
C. Brick
D. Concrete
Join The Discussion