Cwea laboratory analyst - Study guides, Class notes & Summaries

CWEA Grade I Laboratory Analyst Exam 2023 | Questions and Answers Latest Graded. Chloride - Answer - Major anion found in many natural waters - Can impart salty taste in H2O What increases concentration of chloride in wastewater - Answer Chloride in human diet and softeners flushed into sanitary sewer system 2 most prevalent methods of measuring chloride - Answer argentometric and mercuric nitrate Argentometric - Answer Titration of sample with standard solution of silver nitrate (AgNO3)...

CWEA LAB ANALYST COMPLETE SET Questions and Correct Solutions 2024 An amperometric titration is often used when measuring - Answer -Residual chlorine The most important reason for chlorinating effluent is - Answer -Disinfection Chlorination serves primarily to destroy or deactivate disease-producing microorganisms When wastewater samples are chlorinated and the pH is lowered - Answer -HCLO is formed Hypochlorous acid Which of the following constituents is the best disinfecting agent? - An...

CWEA Grade I Laboratory Analyst Exam 2023 | Questions and Answers Latest Graded A+. Why does color change in water - Answer Presence of decaying vegetable matter, metal ions (ie. iron) or industrial and domestic pollution How is color measured - Answer Measured using visual comparison method Visual comparison method - Answer Sample compared to standards using matched nessler tubes - Standards prepared with solution containing cholorplatinate and cobaltous chloride Standard units for color...

CWEA Grade I Laboratory Analyst Exam 2023 Questions with Answers Latest Graded A+. Chloride - Answer - Major anion found in many natural waters - Can impart salty taste in H2O What increases concentration of chloride in wastewater - Answer Chloride in human diet and softeners flushed into sanitary sewer system 2 most prevalent methods of measuring chloride - Answer argentometric and mercuric nitrate Argentometric - Answer Titration of sample with standard solution of silver nitrate (AgNO3...

CWEA LAB ANALYST COMPLETE SET Questions and Correct Solutions 2024 An amperometric titration is often used when measuring - Answer -Residual chlorine The most important reason for chlorinating effluent is - Answer -Disinfection Chlorination serves primarily to destroy or deactivate disease-producing microorganisms When wastewater samples are chlorinated and the pH is lowered - Answer -HCLO is formed Hypochlorous acid Which of the following constituents is the best disinfecting agent? - An...

CWEA Grade I Laboratory Analyst Exam 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) - End point: reddish silver chromat...

CWEA Grade I Laboratory Analyst Exam 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) - End point: reddish silver chromat...

CWEA Grade I Laboratory Analyst Exam 2023 | Questions with Answers | Latest Graded 100%. How is conductivity affected - Answer Mobility of ions, conductivity is dependent on viscosity Viscosity - Answer A liquids ability to resist flow, higher the viscosity the lower the flow Relationship of temperature and viscosity - Answer Inverse Acid - Answer A compound which liberates hydrogen ions and has a pH below 7. Alkalinity: - Answer The measurement of a sample's capacity to neutralize acid. ...

CWEA Grade I Laboratory Analyst exam with 100% Correct answers 2023