81. Which of the following is not considered under unsupported class of underground mineral exploitation method?
82. Which one of the following term is not related to opencast mining?
83. What is the rate of stone dust loading per meter of shelf length for light type barriers?
84. Prior to installation of a long wall equipment at face, the face is to be developed by Road headers in
85. Roof fall accidents are caused due to
86. Which of the following belongs to hard rock mining?
87. When the thickness of immediate roof is more than A m then it becomes stronger and behaves like a main roof? A is given by
88. Four benches are being worked by the opencast mining system. Height, width and face angle for each bench are 15 m, 50 m and 70° respectively. The overall slope angle of the benches in degrees is
89. Hydraulic mining of coal is normally applicable to mining seams, which are
90. Rill stoping method is a form of
Read More Section(Introduction to Mining Engineering)
Each Section contains maximum 100 MCQs question on Introduction to Mining Engineering. To get more questions visit other sections.