Q57
Which equipment is commonly used in soft rock underground mining?
A.
Roadheader
AnswerB.
Percussion drill
C.
Rotary drill
D.
Dragline
Answer: Option A
Solution
Answer: Option A
Solution:
Roadheader is used in soft to medium-hard rocks for continuous excavation.The correct answer is: RoadheaderIt uses a rotating cutting head and conveyor for spoil removal.Efficient in coal and evaporite mines.