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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.
Using Stokes' law, determine the time of settlement of a sand particle of 0.2 mm size (specific gravity 2.67) through a depth of water of 30 cm. The viscosity of water is 0.001 N-s
WHAT LUG ANGLE
How to the Slump test
Loss of Prestress due to Elastic Shortening of Concrete Due to elastic shortening of concrete, tendons are able to reduce their stretched length to the same extent upto which
Classification Based on Mode of Growth: On the basis of mode of growth trees are classified as (a) Exogeneous and (b) Endogeneous (a) Exogeneous Trees: These trees grow outwa
Project Management: This unit starts with the general definition of Project management. Several phases involved in project management are also desribed. Further, the technique
Explain Measured shovel Packing Measured shovel Packing essentially consists of accurate measurements of track defects particularly the unevenness and voids caused in the cour
manufacture of cement by dry process
If the resultant forces are resolved in the three co-ordinate directions and divided by the area of the face of the cube we have the general state of 3-dimensional stress as shown.
Types of Limes and their Properties The limes are classified in three categories as fat lime, hydraulic lime and poor lime: (1) Fat lime: It is composed of 95 percentage o
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