The water garland segments provided with outlet hole into which screwed a nipple for . . . . . . . . mm diameter drain pipe
A. 25mm
B. 35mm
C. 50mm
D. 75mm
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
Scaffold not required in . . . . . . . . tubbing
A. Over hung tubby
B. Under hung
C. Brick
D. Concrete
Join The Discussion