Texas Wastewater Class A (Test 3) Questions with 100% Correct Answers

What removes Total Suspended Solids from a sample (TSS) Correct Answer filtration What chapter of the Texas Water Code gives T C E Q authority to control discharges in Texas. Correct Answer Chapter 26 Inorganic solids include Correct Answer sand, grit and minerals Organic solids include Correct Answer organic materials from plants, animals or humans A good plant influent pH is about Correct Answer 7.2 A simple method for indicating when to waste sludge is Correct Answer 30 minute settling test What is the expected organic loading of a stabilization pond and what is the detention time in days? Correct Answer 35 pounds, of B O D, per acre, per day, and a detention time of 30 Days Calcium Hypochlorite or HTH, is a Correct Answer strong Oxidizer and reacts violently with oil and hydro carbons. When added to water what does chlorine form Correct Answer it forms Hypochlorite, and Hydrochloric acid When ammonia is present in wastewater and reacts with chlorine what is formed Correct Answer When ammonia is present in wastewater, and reacts with chlorine, Chloramines are formed. Besides disinfection, chlorine has other uses at the wastewater treatment plant such as Correct Answer Reduces BOD, Odor, Algae growth, Helps with Grease TCEQ allows the reuse of wastewater, some of these include Correct Answer Irrigation, aquifer recharge, cooling towers and fire protection All reclaimed water piping must be the color Correct Answer purple When a municipal wastewater effluent has a high nitrate level, and low ammonia level, this most likely means Correct Answer a high degree of aerobic treatment