Coal Mining - Study Mode
[#246] Deflection techniques are usually adopted in
Correct Answer
(D) All these
[#247] The type of shaft sinking employed in any fissured water bearing strata except running sand
Correct Answer
(C) Cementation
[#248] In, development mine, at any place with a cover not less than
Correct Answer
(C) 15 m
[#249] Indian coal is characterised by
Correct Answer
(A) High ash, low sulphur
[#250] Shuttle cars are the transporting media for
Correct Answer
(A) Bord and pillar