A mine ventilation system consists of two splits A and B with resistances of 0.8 Ns2m-8 and 3.2 Ns2m-8, respectively as shown in figure. Trunk airways have resistance of 0.2 Ns2m-8. The main mine fan is generating pressure of 500 Pa.The air quantities in m3/s circulated in the splits A and B respectively are

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This question belongs to Mining Engineering Mine Ventilation

Mine Ventilation

?

A mine ventilation system consists of two splits A and B with resistances of 0.8 Ns²m^-8 and 3.2 Ns²m^-8, respectively as shown in figure. Trunk airways have resistance of 0.2 Ns²m^-8. The main mine fan is generating pressure of 500 Pa.

The air quantities in m³/s circulated in the splits A and B respectively are

A) 20 and 30 B) 30 and 20 C) 20 and 10 D) 40 and 10

Answer & Solution

Correct Answer: Option C

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