Ca wastewater grade 3 - Study guides, Class notes & Summaries

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 Grade 2 Wastewater Treatment Operator Practice Exam 4 Already Passed 1 mg/l is the same as 1 part per billion F A scada system is capable of monitoring and controlling equipment from where? remote location A Discharge Monitoring Report is typically submitted to the regulatory agency on daily basis False = Monthly A mechanical seal is used to prevent leaks between where? between the pump casing and shaft Alkalinity is the capacity of a liquid to neutralize base False = Alkalinity neutraliz...

Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 Already Passed 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 causes more p...

Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 What is the methane content in a properly operating anaerobic digester? Ans- 65 to 70% by volume What will the addition of chlorine gas do to the pH of wastewater? Ans- decrease the pH What is the purpose of a Parshall Flume? Ans- Measure the flow rate What is the typical removal efficency of settleable solids in a primary clarifier? Ans- 95 to 99% Which of the follwing is true about pumoing scum from a primary clarifier? Ans- scum ...

Water Treatment Grade 4 exam prep already passed which disinfectant would work best against Cryptosporidium Ozone The pH of a Water sample Is greater than the PHs so the Langlier index indicates the water is scale forming When water high in calcium bicarbonate is softened by ion exchange Sodium Bicarbonate remains in the product water A bypass valve would be used with a gate valve Where ground frost is expected the riser pipes in a meter pit should be atleast how far away from any wall of t...

Ca Grade 2 Wastewater Treatment Operator Practice Exam 4 1 mg/l is the same as 1 part per billion Ans- F A scada system is capable of monitoring and controlling equipment from where? Ans- remote location A Discharge Monitoring Report is typically submitted to the regulatory agency on daily basis Ans- False = Monthly A mechanical seal is used to prevent leaks between where? Ans- between the pump casing and shaft Alkalinity is the capacity of a liquid to neutralize base Ans- False = Alkal...

Compiled LET Questions 1. How many twenty thousands are there in one million? a. 500 c. 100 b. 50 d. 1000 2. If P is a positive integer in the equation 12p=q, then q must be a: a. positive even integer c. positive odd integer b. negative even integer d. negative odd integer 3. Voting is a privilege in a democracy. Those who are deprived their votes are normally: a. Franchised c. Disenfranchised b. Exiled d. Execute 4. How do countries register dislike or disagreement of another coun...

CA Wastewater Grade 3 sample questions

CA Wastewater Grade 3 sample questions

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...