Coal Mining - Study Mode

[#336] Top most horizon of tertiary succession in Assam is known as
Correct Answer

(D) Dining series

[#337] How many coal seams belong to Barakar formation
Correct Answer

(C) 18
(G) 18

[#338] Drill rods made of
Correct Answer

(A) Carbon steel

[#339] The width of the rooms in room and pillar method may be
Correct Answer

(A) 4 - 6m

[#340] The tunneling machine employed in hard rock should be
Correct Answer

(C) Ripper type