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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.
Determine the uses of Prestressed concrete poles Prestressed concrete poles are commonly mass produced and are used in most countries for power transmission, antenna masts etc
pls explain about this field
functions of breast wall& scupper
Obtain the values and direction of the supporting reactions of the truss given below. Use the method of section to determine the forces in each member.
I need q quote my homework no 2
Drainage of Embankment Slopes: Slopes of high embankments get eroded by rain water. Deep rain cuts are formed, which endanger the pavement. In such cases, it is customary to
Q. Effect of Footing Size on Stress Zone? The modulus of elasticity of the soil may be determined by plotting stress-strain diagram based on triaxial test or plate load test.
For a solid circular shaft transmitting torque, the shape factor is
Q. Describe Principles of river protection works? Determination of design discharge for a bridge is sometimes required to be based on flood marks left during unprecedented abno
Define the concept of Creep of Concrete Creep of concrete is another important characteristic. It represents progressive strains in concrete which occur at constant value of st
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