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2. Assume that the river has been selected as the source of raw water for the 2.0mgd demand.
a. Surface water has low alkalinity, high turbidity. The distribution system is cast iron pipe. What's the concern with using alum (Al2(SO4)3) as the coagulant. What other chemical could be used?
b. A slow sand filter will follow the coagulation-flocculation-sedimentation. The organic content in the raw water supports a biofilm on the filter surface. How might this reduce the disinfectant dosage? What text Figure shows this?
c. The 4' thick filters run q=500 gpd/ft2. Find the total area of filter surface required to treat the 2.0 mgd. Also compute the hydraulic residence time in the filter.
d. The filtered water still has traces of ammonia and dissolved organics. Calcium hypochlorite Ca(OCl)2 is used for disinfection. What's the advantage, what's the potential problem with using the hypochlorite rather than using ultraviolet (UV)?
Terms related to stream engine: STEA M ENGINE MAIN PARTS: 1 . Frame: It supports the various moving parts. 2 . Cylinder: It forms a chamber in which the
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Resultant of coplanar concurrent force system: The resultant force, of given system of forces can be found out by the resolution method, which is discussed below: Assume th
Draw and also explain the stress strain diagram for the following materials a) Copper b) Ductile Materials c) Rubbers and Elastomers and d) Brittle materials.
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i want to analysis and test using fluent ansys
Q. Calculation of seismic response loads? The seismic design requirements and the specification of criteria variables for the calculation of seismic response loads for the desi
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To finding ? in Law of parallelogarm forces We take Q sina(Along Vertical Side) & Q cosa(Along Horizontal Side) I didn''t get that point Q sina & Q cosa how it derived? Can you
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