Foaming : It is the formation of thick layer of steam bubbles on the top of the water surface inside the boiler due to: 1. High concent...

   Causes for test: To prevent scale formation. To give alkalinity & minimize corrosion. To control of sludge formation. T...

       Prevention of corrosion : Oxidation – by chemically or mechanically. Caustic cracking – adding chemical, such as sodi...