Q41
What term describes the vertical distance between levels in underground mines?
A.
Rise height
B.
Sublevel gap
C.
Level interval
D.
Vertical interval
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Vertical interval is the distance between successive levels.The correct answer is: Vertical intervalIt affects haulage cost, ventilation, and stope design.Common values range from 30 to 60 meters depending on method.