Select the correct option to test your answer:
More Mining Engineering Questions
An underground panel in a coal mine is being developed on B & P system. The pillar size is 30 m centre to centre and the adjacent galleries are 4 m wide. The percentage of extraction during development is
The safety device which is fixed to the last tub of a set when tubs hauled upgradient
For deep hole, downward holes, for blasting in quaries, the type of drilling preferred are
Normal life of lead acid batter is . . . . . . . . Years
The stoping method, where a large part of blasted ore is allowed to accumulate in the stope to serve the purpose of providing working platform for stoping as well as to support the wall-rock, is known as