Select the correct option to test your answer:
More Mining Engineering Questions
The first fully mechanised L/W face with power supports was introduced in India at
If L is the length measured along the slope and h is the vertical distance between the ends of a straight line, the correction for slope is . . . . . . . .
Each seam should have at least two out lets to surface separated by a minimum of . . . . . . . . meters at any point.
Coincident verticality of pillars in multisection working is not required to be maintained when the strata are inclined at an angle of more than . . . . . . . .
The hole should terminate . . . . . . . . m below, if immeidate roof is shale.