The pipe joints should be occasionally tested at a pressure of . . . . . . . . in hydraulic stowing.
A. 15 - 20 kg/cm2
B. 10 - 15 kg/cm2
C. 20 - 25 kg/cm2
D. 25 - 30 kg/cm2
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
Join The Discussion