Wastewater grade 2 - Study guides, Class notes & Summaries

Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 Questions With All Correct Answers!!

ization pond? - answerthe vertical distance from normal water surface to the top of the levee prior to entering a permit-required confined space, what should you verify? - answera standby person should be located outside the entrance to the confined space, while another person should be within sight or call of the standby person. ©BRIGHTSTARS EXAM SOLUTIONS 10/21/2024 9:24 PM what is a common way to determine the organic strength of wastes in the influent? - answertest for the biochemic...

CA Wastewater Grade 2 Math

Wastewater Grade 2 Study Questions What is the methane content in a properly operating 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 Ans- c What will the addition of chlorine gas do to the pH of wastewater? a. Moderately increase the pH b. pH will not be affected c. Significantly increase the pH d. Decrease the pH Ans- d What is the purpose of a Parshall flume? a. Measure turbidity b. Measure flowrate c. Measure settl...

Describe proper design of force main wastewater lines - Answer-Minimum 2 fps velocity with the smallest pump operating alone. Minimum 4 inch diameter pipe 150 psi rating. What is Standard Dimension Ratio? - Answer-Ratio of outside pipe diameter (OD) to wall thickness (PVC) Describe proper design of gravity wastewater lines. - Answer-Designed to flow half full under normal conditions at a minimum of 2 fps maximum of 10 fps. A primary clarifier should remove how much BOD and TSS? - ...

CWEA Grade I Laboratory Analyst Questions and Answers Graded A 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 sil...

Ca Grade 2 Wastewater Treatment Operator Practice Exam with Complete Solutions What is the methane content in a properly operating anaerobic digester? 65 to 70% by volume What will the addition of chlorine gas do to the pH of wastewater? decrease the pH What is the purpose of a Parshall Flume? Measure the flow rate What is the typical removal efficency of settleable solids in a primary clarifier? 95 to 99% Which of the follwing is true about pumoing scum from a primary clarifier? scum...

water becomes denser as it becomes - colder chemical symbol for lead - Pb Elements that are isotopes contain different numbers of ______________ - neutrons table salt is - sodium chloride Water has a much higher boiling point than expected because of - hydrogen bonding Chemical bonds occur when atoms share___________ - electrons The number of electrons in an atom's outermost electron layer determine its ____________ - chemical properties The chief operator at a Grade 2 plan...