List of top Questions asked in AP ECET Mining Engg

In metal mining most of the development is always carried out in
In Board and Pillar method of mining with Hydraulic stowing, the preferred method of extraction of pillars is
The underground road way driven through stone to connect two or more coal seams is known as
In a mine working the roof fall which takes place soon after withdrawal of supports is called
The shape of the pillar in flat and moderately inclined seams for adoption of shuttle car and locomotive is
The sudden release of elastic strain energy stored in pillars result in violent burst of coal pillars is called
Which metamorphic rock is formed by the recrystallization of Limestone ?
The method mining suitable for the extraction of coal seams with dirt bands is
Which hypothesis explains the origin of the Earth ?
The point where an earthquake originates is known as
The type of fold in which younger rock formation is present outside and older rock formation is present inside the fold is known as
Identify the minerals based the decreasing order of Moh's Scale of Hardness
Which of the following is an example of sedimentary rock
The process of "Erosion" includes
The vertical displacement of seam in a normal fault is known as
Identify the Correct sequence of formation of coal
Identify the correct sequence of blasting operations in Underground coal mines
The texture of rocks formed due to consolidation of magma nearer to the surface is
The type of explosive used for solid blasting is
The prime charge in a detonator is
Bore hole survey means
The characteristic of an explosive which will give an idea about the storage of explosive under heat, humid and time of exposure
The process of treating the holes with chemicals to reduce the friction to the passage of cement through rock mass during Cementation method of shaft skinning is
The holes left in permanent lining at the curb level to avoid development of hydrostatic pressure behind the lining due to water in shaft sinking are known as
The mode of access to the deposit present in a hilly terrain is