Q93
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 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
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
AnswerD.
40 and 10
Answer: Option C
Solution
Answer: Option C
No explanation is given for this question Let's Discuss on Board