Introduction To Mining Engineering - Study Mode
[#151] Thick, regular and flat seam is highly essential in
Correct Answer
(C) blasting gallery
[#152] The practice of regulating the withdrawal of ore in the sub-level cross-cuts so as to optimize the economics of the draw is known as
Correct Answer
(B) draw control
[#153] Which type of drilling pattern is followed in Blasting Gallery Method?
Correct Answer
(A) ring pattern
[#154] The common rate of sand stowing in u/g coal mine is A tons of sand per hour. A is given by
Correct Answer
(A) 100
[#155] A vertical method similar to stope and pillar mining in the supported class is known as
Correct Answer
(A) stull stoping