Determine space mean speed

Reference no: EM13549245

1.Data obtained from aerial photography showed six vehicles on a 600 ft long section of road. Traffic data collected at the same time indicated an average time headway of 4 sec. Determine the

(a) density on the highway

(b) flow on the road

2.A pharmaceutical wastewater needs a minimum BOD/N/P of 100/3.0/0.7 for biological treatment. The wastewater characteristics are BOD = 740 mg/l, suspended solids =250, soluble nitrogen = 24 mg/l, and soluble phosphorous = 12 mg/l. What ammonium nitrate and phosphoric acid additions would you recommend to ensure adequate nutrients for a daily flow of 28 m^3/d?

Reference no: EM13549245

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