Opencast Mining - Study Mode
[#206] What is the considerible limit for inclined drilling.
Correct Answer
(B) 30° off vertical
[#207] The machine best suited for digging below level on which it stands and load the dumper is . . . . . . . .
Correct Answer
(A) Back hole
[#208] Drifter is this type of drill
Correct Answer
(B) Mounted
[#209] The method of estimation of the size, shape, and dimensions of ore can be estimated in
Correct Answer
(C) Exploration
[#210] Geo phone suitable for detecting frequencies in the range of . . . . . . . .
Correct Answer
(B) 1 - 100 Hz