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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.
Explain Fluid Mechanics or Properties – Viscosity A measure of a fluid's resistance to flow when acted upon by an external force such as pressure or gravity. Also termed, "Abso
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An 8 kN.m moment is applied at the end of a block fixed into the ground as illustrated in thefigure below. The moment vector (double arrow head representation) acts in line with th
why is it done.
DESCRIBE ON THE TOPIK OF VULCANIZATION
Bituminous Macadam: Bituminous Macadam (BM) is a base course in which coarse aggregates are mixed with a bituminous binder. The mix is open-graded with 20-25 per cent voids.
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difference between BM and BC in black topping
Q. Write short note on Surplus Store? Comprise stores which are surplus to requirements and include materials released from renewals and replacements as well as from dismantled
Question What is main dissimilarity among cement plaster , cement render and cement screed ? Under what state each of above can be used? Answer Purpose of plaster
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