Operator in Training - Water Distribution Exam Questions and Answers (Graded A)

Which regulation specifies operator training and certification requirements - ANSWER-O.Reg. 128/04 - Certification of Drinking Water System Operators and Water Quality Analysts Which regulations addresses requirements for alarms - ANSWER-O. Reg. 170/03 - Drinking Water systems In case of adverse water test results, who shall the operator provide immediate written and verbal notification to according to O.Reg. 170/03 - ANSWER-Medical Officer of Health (MOH) , ministry of environment and climate change's Spills Action Centre (SAC) owner of the system _______ indicates the acidity and basicity of water, on a scale of 0-14 - ANSWER-pH concentration of a solution - ANSWER-The strength of a solution The Development or formation of corrosion products (rust) on the inside of an iron pipe is called... - ANSWER-Tuberculation What can cause colour in source water - ANSWER-Iron and manganese What type of source water is most likely to have high levels of turbidity and microbiological contamination - ANSWER-Ground Water What does GUID stand for? - ANSWER-Groundwater under the Direct Influence of surface water What organism cause major water-Bourne disease outbreaks - ANSWER-E. coli bacteria Purpose of primary disinfection - ANSWER-Achieve the required level of removal or inactivation of pathogenic organisms What is the process of adding Corine toWater until the quarantine the man has been satisfied. A further additions of chlorine after this point will result in an increase in the free chlorine residual. - ANSWER-Breakpoint chlorination What is used to remove large debris from raw water is just logs fish and other unwanted materials - ANSWER-Screens Pumps that transfer surface water treatment plant are known as - ANSWER-Low lifts Purpose of filtration - ANSWER-To remove particles impurities, and floc from the water that was not removed during the previous processes Water or other liquid following from the reservoir, basin, treatment process or treatment plant is often called - ANSWER-Effluent The curved surface of a column of volume(water,oil,mercury) In a small tube is called - ANSWER-Meniscus I chemical added to a water sample to keep it stable well shipping to an analytical lab is called - ANSWER-Preservative What can cause water to backflow into the water supply when are users water system is at a higher Pressure than the public water system - ANSWER-Backflow What is the potential flow between a drinking water