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More Mining Engineering Questions
. . . . . . . . . has effect of reducing the air flowing in regulated split, same time increasing the volume of air flow in . . . . . . . . split.
Equal lay ropes are also termed as . . . . . . . .
A pumping station in a mine has 4 pumps, P 1 , P 2 , P 3 and P 4 which are connected functionally in parallel configuration as shown in the figure. The individual reliability of the pumps P 1 , P 2 , P 3 and P 4 are 0.80, 0.90, 0.85 and 0.95 respectively. For an effective dewatering operation in the mine denoting system success, at least three pumps should be in operation. The reliability of the system is
Blasting crew consists . . . . . . . . men in underground coal mine.
What should be the minimum pressure to be maintained at the nozzle in hydraulic mining operation?