SUSTAINABLE ENERGY (LL)
SUSTAINABLE ENERGY (LL)
2nd Edition
ISBN: 9780357667224
Author: DUNLAP
Publisher: CENGAGE L
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02: For the gravity concrete dam shown in the figure, (the vertical stresses at toe and heel ((Pmax & Pmin) are 199 and 52 ton/m respectively. following data are available:- -Unit weight of concrete (ycone)-24 ton/m³ -Neglect Wave pressure, silt pressure, ice force and earth quake force. #-0.65 Find factor of safety against sliding and overturning (F.Sslid & F.Sover) AS 115 m 8 m 120 m Solve with sketch on paper
please solve and neglect the distance between the two angles for simplecalculations
Determine the required solids retention time (SRT) of a completely mixed activated sludge aeration tank for a conventional activated sludge system treating a design flow rate of 34,560 m³/d, where the effluent standards are 30.0 mg/L for BODs and 30.0 mg/L for total suspended solids (TSS). Assume that the BOD5 of the effluent TSS is 70% of the TSS concentration. Assume the BODs concentration leaving the primary clarifier is 128 mg/L that the MLVSS concentration (X₂) is 2,500 mg/L. Assume the following values for the growth constants: Ks 100 mg/L BODS ⚫ Hm - 2.5 d 1 kd = 0.050 d 1 Y = 0.50 mg VSS/mg BODs removed Express your answer in days and round to the nearest 0.1.
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