A fan circulates 24 m3/s of air at a pressure of 1200 Pa in a ventilation district. It is intended to reduce the air quantity to 16 m3/s by placing a regulator. Assuming the pressure remains unchanged, the size of the regulator in m2 is
A. 1.48
B. 0.74
C. 0.37
D. 0.18
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