TX Class C Wastewater Treatment License Exam Test Questions With Revised Correct Answers
TX Class C Wastewater Treatment License Exam Test Questions With Revised Correct Answers Preliminary Treatment - ANSWER : the 1st stage of sewage treatment where large debris, such as sticks, grit, and rags pas through a screen followed by a grit chamber, where the flow of water is slowed enough to allow for sedimentation. What stage of treatment is grit removal usually accomplished in? - ANSWER : preliminary treatment Rotating Biological Contactor - ANSWER : a type of biological secondary treatment process How are protozoa (cause of amoebic dysentery) destroyed? - ANSWER : disinfection Other than stream discharge, what are other ways to dispose of effluent wastewater? - ANSWER : aquifer recharge, evaporation in a pond, and application to farm land by irrigation Clean Water Act - ANSWER : gives the basic structure for regulating discharges of pollutants into the waters of the United States
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