Ca Grade 2 Wastewater Treatment Operator Practice Exam 4 Questions and 100% correct answers| Latest

Ca Grade 2 Wastewater Treatment Operator Practice Exam 4 Questions and 100% correct answers| Latest 1 mg/l is the same as 1 part per billion F A scada system is capable of monitoring and controlling equipment from where? remote location A Discharge Monitoring Report is typically submitted to the regulatory agency on daily basis False = Monthly A mechanical seal is used to prevent leaks between where? between the pump casing and shaft Alkalinity is the capacity of a liquid to neutralize base False = Alkalinity neutralizes acids Typical mixed liquor suspended solids concentration is? 1,000 to 4,500 mg/l Turbidity is caused by... suspended matters Algae is not essential to the successful operation of both aerobic and facultative ponds False = Algae supply most of the oxygen to the supernattant The addition of acid and CO2 will do what to wastewater? lower the pH of wastewater Hydrogen sulfide will deteriorate what kind of structures? concrete structures The higher the pH, the better the disinfection False = Maintain a dissolved oxygen concentration of 12 to 14 mg/l in the aeration tank