Introduction To Mining Engineering - Study Mode
[#201] If the orebody is large, rib pillars are left at the ends (sides) of the stope, a sill pillar at the bottom and a crown pillar at the top. Sometimes these pillars are recovered in subsequent mining. Name the suitable method of mining
Correct Answer
(C) shrinkage stoping
[#202] Stacker is commonly used to work in association with
Correct Answer
(B) bucket wheel excavator
[#203] The costliest stoping method is
Correct Answer
(B) square set
[#204] Which of the following has direct impact on the turnout of face loading machine?
Correct Answer
(C) lead distance
[#205] In Metalliferous mines, during extraction of ore and any other mineral, the working height of the bench shall not exceed A m and angle of slope should not exceed B m from the horizontal. A & B are given by
Correct Answer
(D) 6 m and 60°