Concrete Technology Lab Manual 2022
The above lab manual is related to the concrete technology lab and it is free to use. You can also find and download other lab manuals of civil engineering.
Engr Khan
How to Determine Chlorides in Water Sample
One of the most common inorganic anion in water and waste water is chloride (CL- ion). The salty taste produced by chloride concentrations in potable water varies depending on the chemical composition of the water. If the cation is sodium, some waters containing 250 CI- mg/I may have a detectable salty taste. When calcium and … Read more
Acidity of Water – How to Measure It
Water is a chemical compound with two hydrogen atoms and one oxygen atom. The chemical formula for water is H2O. Carbonic acid is produced when water is dissolved in carbon dioxide, which raises the acidity of water or the liquid in the subject. The higher the acidity, the more carbon dioxide has been dissolved in … Read more
How to Measure Alkalinity of Water
The alkalinity of water and wastewaters is the capacity to neutralize acids. Alkalinity is the term used to describe the concentration of hydroxide ions in water. The general formula for alkalinity is Ca x 2 + Mg x 2 H 2 O where Ca and Mg are the cations and x is the degree of … Read more
How to prepare a new in ground hot tub
In ground hot tub When someone mentions an in ground hot tub, they’re probably referring to a spa that requires less power and upkeep than one on the surface. These spas are completely autonomous so you can enjoy your time without worrying about it being cut short by something as simple as running out of … Read more