Q64
What does an ore pass do in underground mining?
A.
Allows ventilation flow
B.
Transports ore to lower levels by gravity
AnswerC.
Carries water to sumps
D.
Connects different levels for workers
Answer: Option B
Solution
Answer: Option B
Solution:
Ore pass is a vertical or inclined passage used to move ore downward.The correct answer is: Transports ore to lower levels by gravityIt increases efficiency by reducing hauling distance.Proper design prevents blockages and wear.