71. Which equipment is typically used for ore removal in a sublevel stoping operation?
72. Which development activity is done first in underground mining?
73. What is the purpose of a "collar" in shaft sinking?
74. Which method is best suited for steep, narrow ore bodies with competent walls?
75. What is the main benefit of using shotcrete in underground development?
76. Which of the following is a major disadvantage of sublevel caving?
77. The function of "crosscuts" in underground mining is to:
78. Which of the following methods is suitable for mining massive low-grade ore bodies?
79. What is a significant drawback of raise boring compared to Alimak raising?
80. What type of ore body is best suited for room and pillar mining?
Read More Section(Mine Development and Mining Methods)
Each Section contains maximum 100 MCQs question on Mine Development and Mining Methods. To get more questions visit other sections.