Q61
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
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
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.