Wastewater grade 2 exam Study guides, Class notes & Summaries
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Wastewater Operator certification Study Guide-Grade 2 Exam With All Solutions Correct 100%
- Exam (elaborations) • 27 pages • 2023
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Wastewater Operator certification Study Guide-Grade 2 Exam With All Solutions Correct 100%
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Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 Already Passed
- Exam (elaborations) • 12 pages • 2024
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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 
m...
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WASTEWATER TREATMENT OPERATOR CERTIFICATION TEST 1,2,3,4 ACTUAL EXAM 2024 NEWEST WELL ELABORATED QUESTIONS AND CORRRECT ANSWERS ALREADY A GRADE. NEW
- Exam (elaborations) • 114 pages • 2024
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WASTEWATER TREATMENT OPERATOR 
CERTIFICATION TEST 1,2,3,4 ACTUAL EXAM 
2024 NEWEST WELL ELABORATED 
QUESTIONS AND CORRRECT ANSWERS 
ALREADY A GRADE. NEW 
Which of the following will not cause short circuiting in a clarifier? 
A) Uneven weir settings 
B) Flow line of launder is low 
C) Damaged or missing inlet baffles 
D) Velocity of wastewater is greater in some sections than in others - ANSWER- B) 
Flow line of launder is low (v.1 pg 125,135) 
A grab sample is most suited for these constit...
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Ca Grade 2 Wastewater Treatment Operator Practice Exam 4 Already Passed
- Exam (elaborations) • 12 pages • 2024
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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 neu...
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Grade 2 Wastewater Treatment Operator Practice Exam Q&A 2024/2025
- Exam (elaborations) • 6 pages • 2024
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Grade 2 Wastewater Treatment Operator Practice Exam Q&A 2024/2025 
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? 
sc...
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Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 questions and answers
- Exam (elaborations) • 7 pages • 2024
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Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 questions and answers
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Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 with complete solution
- Exam (elaborations) • 7 pages • 2024
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Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 with complete solution
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CWEA COLLECTION SYSTEM MAINTENANCE GRADE 1, 2, 3 AND 4 EXAM QUESTIONS AND ANSWERS 2024/2025 GRADED A+.
- Exam (elaborations) • 17 pages • 2024
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CWEA COLLECTION SYSTEM 
MAINTENANCE GRADE 1, 2, 3 
AND 4 EXAM QUESTIONS AND 
ANSWERS 2024/2025 GRADED A+. 
2 / 9 
1. Why are gasoline and volatile solvents objectionable when present in asewer?: They 
produce an explosion hazard 
2. You should never attempt to install, maintain, repair or replace electrical equipment panels, 
controls, wiring or circuits unless: You know what you aredoing, are qualified and are authorized 
3. What are the different areas of traffic zones?: Advance Warning Area, ...
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Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)
- Exam (elaborations) • 11 pages • 2023
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Ca Grade 2 Wastewater Treatment Operator Practice Exam 1 QUESTIONS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)
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wastewater grade 1 exam Treatment updated 20-24/2025
- Exam (elaborations) • 8 pages • 2024
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wastewater grade 1 exam Treatment 
updated 20-24/2025 
domestic wastewater - CORRECT ANSWER-Comes from schools, homes, hospitals, 
businesses, light industrial facilities. 
population equivalents - CORRECT ANSWER-100 lbs wastewater per day, .2 lbs 
TSS/day, .17 BOD/day 
industrial wastewater - CORRECT ANSWER-Comes from industries. Compatible 
wastes can be processed by the plant. Incompatible wastes are toxic to the plant. 
sanitary wastewater - CORRECT ANSWER-The combined domestic and indus...
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