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, What is the concentration of chlorine gas? 100%.
Which of the following is not used to mix coagulants? Horizontal paddle wheel.
What is considered to be a quick remedy to adress a Feed a filter-aid chemical to the filter influent.
sudden increase in filtered water turbidity?
What is the likely cause of a pinping noise in a pump? Cavitation
Which of the following controls the efficiency of Flowrate
removing suspended solids in the sedimentation
process?
What is a sanitary survey? An analisis to determine all potencial water quality impacts to a proposed well.
Which of the following categories does bacterial belong Colloidal
to?
Under the Surface Water Treatment Rule, what must the 99.99%
reduction of viruses be through filtration and
disinfection?
Which of the following is not considered free residual Monochloramine
chlorine?
Why is coliform used as a indicator organism? It reduce the complexity and cost of analysis.
What is an example of a non-community, non-transient School.
water
What is the purpose of a packing in a pump? Control the leakege of water along the pump shaft and prevent air from entering
along the shaft when the pump is in a suction lift condition.