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More Mining Engineering Questions
Brattice cloth used in under ground should be . . . . . . . .
Minimum air velocity required at long wall face is
The weight of D 6 methanometer . . . . . . . .
The bearing of AB is 165° and the angle BAC is 72° measured in anticlockaise directions, the bearing of AC is . . . . . . . .
A plan showing the new mine boundary shall be submitted by Agent or Manager within how many days of change?