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Explain the Ion Exchange water Softening
Softening is usually done using a resin (natural or synthetic long chain chemical with a sodium ion attached). When water containing hardness ions is passed through the resin, the hardness ions (Ca, Mg) exchange with Na ions on the resin (thus the resulting water is free of hardness ions but high in sodium).
When the sodium ions on the resin are exhausted, the resin is regenerated using a brine solution (which replaces all hardness ions attached to the resin with Na ions again) and the resin can be used again.
Three mechanisms: 1) Conduction - occurs in solids and stationary fluids (liquids or gases). 2) Convection - occurs in fluids. Change in the buoyancy of the fluid due to its
The integration of strain over the depth is settlement. The method of producing the settlement is non-recoverable when the intensity of stress is removed. Hence, a permanent reduc
While calculating Active Earth Pressure, do Coloumb''s Theory and Rehbann''s theory yield same results? I''ve tried and didn''t get the same results. Where might be the mistake?
Explain the Dupuit Equations for Unconfined Aquifers Using natural log: Q = ΠK((h 2 ) 2 - (h 1 ) 2 )/ln(r 2 /r 1 ) Using log 10 : Q = K((h 2 ) 2 - (h 1 ) 2 )/((1055)l
.the assumptions in theory of riveted joints
"We have one other pressing challenge that you could review for us," Alistair Wu says. "As you know, the Shanghai plant was our first facility in China, but we also have two other
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