Q161
It is such part of a mine below ground as has an independent intake airway commencing from a main in take airway and an independent return airway terminating at main return airway and incase of a mine or part there of which is ventilated by natural means, the whole mine or part
A.
District
B.
Firy seam
C.
Ventilation district
AnswerD.
Ventilation planed working
Answer: Option C
Solution
Answer: Option C
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