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Explain Hardness - Water Softening
1) Hardness is used to characterize a water that does not lather well, causes a scum in the bath tub and leaves hard, white, crusty deposits when water is heated
2) Calcium or magnesium forms soap- Ca or Mg complex and prevents soap from interacting with dirt
3) Hardness- caused mainly by Calcium and Magnesium(actually all polyvalent ions)
4) Common units are meq/l or mg/l as CaCO3
Question What are main functions of bedding below storm water drains ? Answer Bedding that is normally made of granular resources or concrete serves four main functions as optio
Determine the area ratio of a thin walled tube samples having an external diameter of 6 cm and a wall thickness of 2.25 mm. Do you recommend the sampler for getting undisturbed soi
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Explain Sedimentation 1. Sedimentation basin or clarifier is used to remove particles that will settle in a reasonable time period 2. Basins are usually rectangular or
The data profile as shown in Figure is obtained. A best average of N values gave N 10 = 21, column loads including dead and live loads ranged from 500 kN to 950 kN. Determine the
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what are the feature of single flemish bond?
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Ceramics is what type of materials ? Answer: It is an insulators.
Q. Write short notes on Bricks? Bricks are an important construction material required in bulk Quantities for construction of walls both sub structure & super structure. For th
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