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Assuming that you have completed the flow net of Problem 7-33, compute the total head, piezometric head, pressure head, and eleva-tion head for a point half way up the sheet pile from its base, on either side of the sheet pile. Assume the datum is at the bottom of the silty sand layer. Plot gradient versus depth of piling and extrapo-late to find the exit gradient.
calculate the: 1) molar concentration of metal ion in the stock coagulant solution; 2) coagulant feed rate (into the process water flow stream) in units of L/day and L/min; 3) alkalinity consumed (in the process water flow stream) in units of mg/L..
Design a vapor-compression refrigeration system that will maintain the refrigerated space at -15°C while operating in an environment at 20°C using refrigerant-134a as the working fluid
The symmetrical, two-hinged arch shown in Figure S10.7has a constant second moment of area, and the arch axis is defined by the coordinates given in the table. Determine the value of the horizontal thrust at the supports.
Bars AB and CD are made of A-36 steel and 2014-T6 aluminum alloy,respectively. When the temperature is at 75degreeF, ACE is in the horizontal position.
An object of density P_a, volume V_a, and weight W_a is thrown from a rowboat floating on the surface of a small pond and sinks to the bottom.
If a unit mass of groundwater accelerates from rest to an average linear velocity of 1 m per year and climbs a vertical distance of 1 m, compare the ratio of kinetic energy to the potential energy of the unit of groundwater.
Determine the force in member DG of the compound truss. The joints all lie on radial lines subtending angles of 15° as indicated, and the curved members act as two-force members.
a pre-engineering base line was run down a very steep hill.rather than measure horizontaily down hill with steel tape
Calculate the exact alkalinity (in mg/L as CaCO3) of a water containing 58.01 mg/L of bicarbonate ion and 160.22 mg/L ofcarbonate ion. The water has a pH of 10.47.
The piezometers are 280 m apart. The difference in piezometric head bewteen the two is 1.4 m. The aquifer hydraulic conductivity is 50 m/d and the porosity is 20%.
A turbine discharges water at 0.4 m3/s under a head of 10.50 m and with an overall efficiency of 80 %. determine what is The power developed.
1.estimatetheparticleremovalefficiencyinarectangularsedimentationtankwithadepthof4mwidthof8mlengthof40mandprocessflowrat
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