List of top Mine Planning Questions 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: