Ca wastewater - Study guides, Class notes & Summaries

CA REHS WastewaterWastewater must reach the treatment plan in how many days? - correct answer 2 days How is sewage strength determined? - correct answer 1. measure BOD over 5 days at 20C, typically higher in summer than winter 2. suspended solids 3. COD What is the best single measure of water pollution? - correct answer BOD What is one way to determine the amount of industrial waste in water? - correct answer Chemical oxygen demand (oxidizable inorganic matter) Does cold water...

• Ca Grade 2 Wastewater Treatment Operator Practice Exam 4 NEWEST EXAM NEWEST 2024 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS

Ca Grade 2 Wastewater Treatment Operator Practice Exam 1

Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)

CA GRADE 2 WASTEWATER TREATMENT OPERATOR PRACTICE EXAM 4|UPDATED&VERIFIED|100% SOLVED|GUARANTEED SUCCESS

Ca Grade 2 Wastewater Treatment Operator Practice Exam 4 QUESTIONS & ANSWERS ( A+ GRADED 100% VERIFIED)

30 days is normally required for anaerobic digestion - T A 5 Hp pump is being used to pump 3 MGD of wastewater 8 feet. What is the pump efficiency? - 86% A 50 acre pond receives a flow of 4 MGD. How many inches of wastewater is added to the pond each week? - 20 inches A belt press is ran 8 hours each day and receives a flow of 145 GPM with a solids content of 15,000 mg/L. An anionic polymer is being added which allows for a 95% capture of the solids. The belt press cake weights 63.4 lbs/c...

30 days is normally required for anaerobic digestion - T A 5 Hp pump is being used to pump 3 MGD of wastewater 8 feet. What is the pump efficiency? - 86% A 50 acre pond receives a flow of 4 MGD. How many inches of wastewater is added to the pond each week? - 20 inches A belt press is ran 8 hours each day and receives a flow of 145 GPM with a solids content of 15,000 mg/L. An anionic polymer is being added which allows for a 95% capture of the solids. The belt press cake weights 63.4 lbs/c...

CA REHS WastewaterWastewater must reach the treatment plan in how many days? - correct answer 2 days How is sewage strength determined? - correct answer 1. measure BOD over 5 days at 20C, typically higher in summer than winter 2. suspended solids 3. COD What is the best single measure of water pollution? - correct answer BOD What is one way to determine the amount of industrial waste in water? - correct answer Chemical oxygen demand (oxidizable inorganic matter) Does cold water...

CWEA Grade I Laboratory Analyst, questions and answers 2023 Chloride - Major anion found in many natural waters - Can impart salty taste in H2O What increases concentration of chloride in wastewater Chloride in human diet and softeners flushed into sanitary sewer system 2 most prevalent methods of measuring chloride argentometric and mercuric nitrate Argentometric Titration of sample with standard solution of silver nitrate (AgNO3) - Indicator: Chromate ions (CrO4) -...