What is chlorine demand - Study guides, Class notes & Summaries

TCEQ Class C Water License Exam Questions and Answers Latest Updated 2024/2025 (100% Correct) Graded A+. State Agency responsible for enforcing the safe drinking water act in Texas (Ans- Texas Commission on environmental Quality What minerals can cause water hardness (Ans- Calcium and magnesium A public water system must at all times provide (Ans- Adequate quantity of water, pressure, and disinfection A source groundwater would be (Ans- aquifer Fecal coliform organisms sometimes found in...

Water Distribution Test 2 Questions and Answer What does a C value of 140 means for a pipe? - ANSWER The pipe interior is very smooth. Which primary contaminant causes Blue Baby Syndrome? - ANSWER Nitrate. What is a nutating disc? - ANSWER Type of a water meter for a small-diameter domestic service. What causes hardness in water? - ANSWER Magnesium and calcium. Which of the following is a confined aquifer with groundwater under positive pressure? - ANSWER Artesian. ____________ i...

TCEQ class c water license exam questions and answers 100% pass State Agency responsince for enforcing the safe drinking water act in Texas Texas Commission on environmental Quality What minerals can cause water hardness Calcium and magnesium A public water system must at all times provide Adequate quantity of water, pressure, and disinfection A source groundwater would be aquifer Fecal coliform organisms sometimes found in water supplies are an indication that Water supply is contaminated,...

TCEQ class c water license exam questions and answers State Agency responsible for enforcing the safe drinking water act in Texas Texas Commission on environmental Quality What minerals can cause water hardness Calcium and magnesium Brainpower Read More Previous Play Next Rewind 10 seconds Move forward 10 seconds Unmute 0:00 / 0:15 Full screen A public water system must at all times provide Adequate quantity of water, pressure, and disinfection A source grou...

hat the 4 stages of the Chlorine Demand Curve chart? - Stage 1: No residual is formed because inorganic demand destroys the chlorine. (Flat Line) Stage 2: Monochloramines are formed as chlorine combines with organics containing ammonia (rising curve). The chlorine to ammonia weight ratio at this point is 5:1. Combined and total residual increases, chloro-organics are formed. Stage 3: Increasing chlorine dosage (failing curve) to a chlorine/ammonia weight ratio of 7.6:1 destroys chloramines...

CDR RD Exam Questions & Answers Complete: updated 2023. A 42 year old woman who is 5'10" needs how many grams of protein per day? A. 60 B. 70 C. 75 D. 80 A 49-year-old overweight woman smokes one PPD of cigarettes, has a BP level of 140/85 mmHG and a medical hx of hypertension and hyperlipidemia. What is the best nutrition intervention for this client? A. complex CHO, low sat fat B. complex CHO, high protein C. simple CHO, high protein D. simple CHO, low sat fat A ...

Wastewater Treatment Operator Certification Test #1 Questions With 100% Verified Answers What is the methane content in a properly operation anaerobic digester? A) 30 to 35% by volume B) 1 to 2% by volume C) 65 to 70% by volume D) 15 to 20% by volume - answerC) 65 to 70% by volume (v.2 pg 158) What will the addition of chlorine gas do to the pH of wastewater? A) Moderately increase pH B) pH will not be affected C) Significantly increase the pH D) Decrease the pH - answerD) Decrease t...

State Agency responsible for enforcing the safe drinking water act in Texas (Ans- Texas Commission on environmental Quality What minerals can cause water hardness (Ans- Calcium and magnesium A public water system must at all times provide (Ans- Adequate quantity of water, pressure, and disinfection A source groundwater would be (Ans- aquifer Fecal coliform organisms sometimes found in water supplies are an indication that (Ans- Water supply is contaminated, harmful bacteria m...

Water Treatment Plant Operator Exam Questions With Answers Latest Updated 2024/2025 (Graded A+) What is used as a chemical coagulant? - Answer Alum The correct order of treatment in a surface water plant is... - Answer Coagulation, Flocculation, Sedimentation and Filtration In determining the proper dosage of alum, the most useful test is the____________ test. - Answer Jar If sludge is not continually removed from the sedimentation basin, its accumulation results in? - Answer Turbidity Th...

The term pathogenic means - Answer-Capable of causing disease Question: The minimum separation, between sewer lines, and potable water lines is A. 8 feet B. 9 feet C. 10 feet - Answer-B. 9 feet An important step, in testing a sample, for Total Suspended Solids is - Answer-Filtering a sample Biochemical oxygen Demand, (BOD) test is based on? - Answer-Measuring, the dissolved oxygen, used Results, of Biochemical Oxygen Demand, (BOD) sample, taken at a treatment plant, tells the op...