Q24
Which factor is most important in selecting underground mining equipment?
A.
Ore color
B.
Mineral hardness
C.
Tunnel width and geometry
AnswerD.
Ore depth
Answer: Option C
Solution
Answer: Option C
Solution:
Tunnel width and geometry determine the size and type of equipment used.The correct answer is: Tunnel width and geometryEquipment must fit safely and efficiently.Hardness affects tools, but geometry limits mobility and operation.