A mine airway having cross-section of 2.2 m × 2.2 m and length 500 m contains a bend. Given that the airway friction factor is 0.01 Ns2m-4, shock loss factor for the bend is 0.07 and density of air is 1.2 kg/m3, the equivalent length of the airway in m is
A. 502.31
B. 622.51
C. 534.51
D. 512.31
Answer: Option A
This Question Belongs to Mining Engineering >> Mine Ventilation
Join The Discussion
Comments ( 1 )
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
Solution