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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.
What is the minimum radius, R min , that can be used on a horizontal curve with a 70 mph design speed, a maximum superelevation, e max = 8%, and a side friction factor, f = 0.10?
Define NPDES Sampling Requirements? The sampling needs under NPDES are given at 40 CFR Part 122, as part of the needs for applying for an NPDES discharge allow. The needs are b
How to prove that heat and work are the path functions?
what is the classification of lintel
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Problem (a) Briefly explain the concept of wind-driven ventilation and outlines its benefits over mechanical/electrical means of ventilation. (b) Various factors and guidel
plz answer guys
STRUCTYRE IS HAVING BASEMENT JUST WITH THE SIDE OF FOUNDATION WHICH CAUSED SETTLEMENT AND CRACKS IN THE STRUCTURES
Q. Evaluate dimensions of apron according to Spring and Gales? Dimensions of apron according to Spring and Gales. Gales and Sethi favoured uniform thickness of laid apron while
a=6inch,b=4inch
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