CO forms explosive mixture with air present within the range nearly . . . . . . . . by vol.
A. 8 - 10%
B. 4.5 - 14%
C. 12 - 75%
D. 4.3 - 45%
Answer: Option C
This Question Belongs to Mining Engineering >> Mine Ventilation
Related Questions on Mine Ventilation
The mechanical mixture of gases existing in a mine given off after explosion called
A. White damp
B. Stink damp
C. Black damp
D. After damp
A Drager Gas Mask does not filter
A. Water vapour
B. Nitrous fumes
C. Carbon monoxide
D. Carbon dioxide
Join The Discussion