List of top Mine Planning Questions on Mine planning and its components asked in GATE MN

Which gas is mainly responsible for explosions in coal mines?
The primary purpose of mine ventilation is to:
The Mohr–Coulomb failure criterion is mainly used to describe:
The instrument commonly used for measuring horizontal and vertical angles in mines is:
Which one of the following is the most widely used method for coal extraction in surface mines?
In bord and pillar mining, the main load-bearing elements are:
The machine used for drilling blast holes in hard rock mines is: