Which of the following is the main advantage of using a decline ramp over a vertical shaft?
A. Lower ventilation requirements
B. Cheaper construction
C. Faster development for deep ore
D. Continuous vehicular access
Answer: Option D
Solution (By Examveda Team)
Decline ramps allow trucks and equipment to access the ore body without hoisting.The correct answer is: Continuous vehicular accessThis is ideal for shallow to medium-depth deposits.Shafts are more efficient for very deep mining.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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