Alabama Grade IV Water Operator Study Guide

UFRV - ansUnit Filter Rate Volume How can you remove truecolor? - ansCoagulation & Chlorination Synura - ansCucumber Smell Normality - ansEquivalents of solute per liter of solution Asterionella Pandorina Uroglenopsis - ansFishy Smell Anabaena Anacystis - ansMusty Pig-Pen Smell A centrifugal pump works correctly for a period of time but begins to lose suction. What is the problem? - ansFaulty Foot Valve What is the effect of pH on chlorine disinfection? - ansThe best disinfection occurs at lower pH. If you have high alkalinity and high pH (>8) consider longer chlorine contact time due to reduced efficiency of they hypochlorite form. Drawdown - ansThe lowering of the surface elevation of a body of water, the water table, the piezometric surface, or the water surface of a well, as a result of the withdrawal or water. The process where Quicklime must be mixed with water. - ansSlaking - Slaked lime is calcium hydroxide. Ca(OH)₂ Why is weir balance important? - ansFor uniform flow of water. What do you do if floc is carring over? - ansAdjust the alum dose.