Introduction To Mining Engineering - Study Mode

[#251] Which of the following equipment is very common for over casting or side casting?
Correct Answer

(C) Dragline

[#252] Depending on the decreasing ability of surrounding rock to store strain energy, the underground metal mining methods can be ordered as
Correct Answer

(B) Sublevel open stoping, Cut-and-fill stoping, Sublevel caving, Block caving

[#253] Why outlets from a mine are not provided closer than 13.5m?
Correct Answer

(C) Closer outlets will weaken the shaft pillar causing possibility of leakage

[#254] It eliminates drilling, blasting in opencast mines and has scope of selective mining. Identify the machine?
Correct Answer

(D) surface continuous miner

[#255] The stoping method, where a large part of blasted ore is allowed to accumulate in the stope to serve the purpose of providing working platform for stoping as well as to support the wall-rock, is known as
Correct Answer

(A) shrinkage stoping