Introduction To Mining Engineering - Study Mode

[#331] Best suited mining method for thick vein/massive deposit with strong ore, strong walls and steep dip is
Correct Answer

(C) shrinkage stope

[#332] Which of the following hazards is met when the roof exposure during depillaring operation becomes more than 90 m 2
Correct Answer

(B) air blast

[#333] When a double ended ranging drum shearer cuts coal in a longwall face,
Correct Answer

(B) both the drums rotate in the opposite direction keeping the front drum up and the rear drum down

[#334] Which type of drilling pattern is generally followed in solid blasting face?
Correct Answer

(D) wedge cut

[#335] Maximum accidents in Indian mines is due to
Correct Answer

(A) roof fall