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Mining Engineering · Q214

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Engineering and GATE · Mining Engineering · question 214

Q214

Seams at shall depths, which are activity gassy liable spontanious heating, with bad roof are prefarably extracted by

A.
Quarrying
Answer
B.
Long wall
C.
Bord and Pillar
D.
Room and Pillar

Answer: Option A

Solution

Answer: Option A
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