Q67
In underground mining, a sump is primarily used for:
A.
Electrical installations
B.
Water drainage collection
AnswerC.
Explosive storage
D.
Worker refuge
Answer: Option B
Solution
Answer: Option B
Solution:
Sump is a low point where water is collected and pumped out.The correct answer is: Water drainage collectionIt prevents water buildup that can hinder operations or weaken ground.Essential for mine dewatering.