Calculate the 4-week soil moisture flux in cm/day between based on the following data. You can use the table below for your summary of answer. B C z1 (m) 0.9 0.8 0.7 z2 (m) 2.1 2.0 1.9 K = 250( – v) - 2.11 Summary of Answer: Hydraulic Head 41 Head 42 Conductivi Difference ty (K) Suction Suction Неad Total Head Total Head Moisture Week h1 at z1 h2 at z2 Flux (q) at z1 at z2 (h1 -h2) cm cm cm cm cm/day cm cm/day 1 -145 -230 -165 -235 -130 -240 4 -140 -240 3.

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4.4.If an industrial plant is generating wastewater containing 350 mg/L of lysine [HO₂ CCH (NH2) (CH2)4 NH2], the C-ThOD required is around: a) 538 mg 02/L b) 759 mg 02/L c) 642 mg 02/L d) 862 mg O₂/L 4.5.A circular clarifier has a diameter of 60 ft. If the primary effluent flow is 2 MGD, what is the surface overflow rate in gpd/ft²? a) 1080 gpd/ft² b) 708 gpd/ft² c) 845 gpd/ft² d) 777 gpd/ft² 4.6.A stream with a velocity of 0.5 m/s, de-oxygenating rate of 0.2/day, and re-oxygenation rate of 0.3/day. The ultimate BOD in the discharge point is 30 mg/L. The stream is in a saturation level before outfall with a temperature of 20°C. Assume same temperature, what is the DO in 5 km d) 12.3 mg/L downstream? a) 8.4 mg/L b) 9.1 mg/L c) 10.2 mg/L

T Settled sludge and filter wash water from water treatment are thickened in Problems 703 clarifier-thickeners prior to mechanical dewatering. The settled sludge volume is 1150 gpd with 1.0% solids, and the backwash is 9800 gpd containing 500 mg/l of suspended solids. Calculate the daily quantity of thickened sludge, assuming a concentration of 3.0% solids