In metal mines stink damp produced by the action of . . . . . . . . water on sulphide are
A. basic
B. acidic
C. ultra basic
D. volatile
Answer: Option B
This Question Belongs to Mining Engineering >> Mine Ventilation
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The mechanical mixture of gases existing in a mine given off after explosion called
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B. Stink damp
C. Black damp
D. After damp
A Drager Gas Mask does not filter
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B. Nitrous fumes
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