The distance required for complete mixing of methane in air by turbulent diffusion in a duct is given by the following equation +2% accuracy is
A. $$L = 18\frac{r}{{\sqrt f }}$$
B. $$L = 10\frac{r}{{\sqrt f }}$$
C. $$L = 6\frac{r}{{\sqrt f }}$$
D. $$L = 22\frac{r}{{\sqrt f }}$$
Answer: Option D
This Question Belongs to Mining Engineering >> Mine Ventilation
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