please solve questions 4-6 Problem: You are designing a 20 mgd wastewater treatment plant. To characterize theplant's influent solids, the lab used 90 ml samples of the ty[ical wastewaterand the following equipment:Solids:Lab EquipmentEvaporation DishGooch crucible2.0-micron paper filter2.0-micron Whatman GF/C filterLab MeasurementDish + Residue after evaporation4.Weight54.2830g54.2170g1.5240g1.6948g1. The lab placed a sample in an evaporation dish and evaporated it at 105°Cfinding that the dish weighted 54.3490 g after the dish cooled. What is theconcentration (mg/L) of the Total Solids (TS) in the influent?(Ans: TS = 733.3 mg/L)54.349g2. If you anticipate a Total Suspended Solids mass loading of 48,400 lb/day at thisflow rate, what is the concentration of TSS you anticipate in the influent?What does the analytical scale read?3. The lab then filtered a sample through a 2-micron filter and evaporated the filterat 105°C, what was the mass of the residue found on the filter paper after itcooled?(Ans: 0.0261 g)(Ans: 1.550 g)5. What is the concentration of the Total Dissolved Solids (TDS) in the influent?(Ans: TDS = 443.3 mg/l) 6. After igniting a sample that was filtered through a 2-micron Whatman GF/C filterin an oven at 550°C, the cooled Gooch crucible + filter + residue weighed55.9183 g. What is the mass (grams) of the Total Fixed Suspended Solids (TFSS)on the filter?(Ans: 0.0065 g)

Answered: 4. What does the analytical scale read?…

4. What does the analytical scale read? (Ans: 1.550 g) 5. What is the concentration of the Total Dissolved Solids (TDS) in the influent? (Ans: TDS = 443.3 mg/l)

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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