Quantity of air to be circulated to u/g workings where 150 worker employed in a largest shift and daily production 500 te will be
A. 900 m3/min
B. 1250 m3/min
C. 900 m3/sec
D. 1250 m3/sec
Answer: Option B
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