Ca wastewater grade 3 - Study guides, Class notes & Summaries
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CA Wastewater Grade 3/ 63 Sample Questions/ 2024-2025.
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CA Wastewater Grade 3/ 63 Sample Questions/ . Terms like: 
 
An activated sludge plant with an MCRT of over 10-days is normally 
 considered an extended aeration plant. - Answer: T 
 
Wasting of activated sludge on a continuous basis is the preferred 
 method. - Answer: T 
 
SVI is used as an indicator for clarifier stability. - Answer: T
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CA Wastewater Grade 3 sample questions and answers | Latest 2024/25
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CA Wastewater Grade 3 sample questions and answers | Latest 2024/25
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CA Wastewater Grade 3 Prep Exam And Answers Rated A+ 2024.
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Fluffy white foam indicates low aerator solids concentration, while leathery brown foam indicates high solids concentration. - Answer T 
 
When an anaerobic digester is becoming upset, the first sign will be increased alkalinity and decreased volatile acid concentration - Answer F 
 
Surface aerator oxygen transfer efficiency increases as submergence decreases and the oxygen transfer efficiency increases - Answer F 
 
When chlorine is used before disinfection for odor control it is not nec...
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CA Wastewater Grade 3 sample questions with Correct Answers Already Passed
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Fluffy white foam indicates low aerator solids concentration, while leathery brown foam 
indicates high solids concentration. - T 
When an anaerobic digester is becoming upset, the first sign will be increased alkalinity and 
decreased volatile acid concentration - F 
Surface aerator oxygen transfer efficiency increases as submergence decreases and the oxygen 
transfer efficiency increases - F 
When chlorine is used before disinfection for odor control it is not necessary to satisfy a 
chlorine ...
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CA Wastewater Grade 3/ 63 Sample Questions/ 2024-2025.
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CA Wastewater Grade 3/ 63 Sample Questions/ . Terms like: 
 
When operating an aerobic digester be sure to keep the feed sludge 
 volatile solid concentration high or else the percent reduction will decrease - Answer: F 
 
Any sample can be "fixed" for later testing. - Answer: F 
 
The nice thing about anaerobic process is the operator can smoke 
 since no oxygen is present for a fire to start. - Answer: F
And that's how you make extra money
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CA Wastewater Grade 3 sample questions with Correct Answers Already Passed
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In order for a pond to be functioning correctly________ must be taking 
place. 
A. photosynthesis 
B. rapid temperature changes 
C. rapid pH changes 
D. rapid DO changes 
E. alkalinity changes - A
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CA Wastewater Grade 3 sample questions
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CA Wastewater Grade 3 sample 
questions 
Fluffy white foam indicates low aerator solids concentration, while leathery brown foam indicates high 
solids concentration. Ans- T 
When an anaerobic digester is becoming upset, the first sign will be increased alkalinity and decreased 
volatile acid concentration Ans- F 
Surface aerator oxygen transfer efficiency increases as submergence decreases and the oxygen transfer 
efficiency increases Ans- F 
When chlorine is used before disinfection for od...
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WasteWater Operator Class C Exams Full Course Bundled Latest Package 2024!!!.
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1
Exam (elaborations)
ABC Wastewater Level 3 - Activated Sludge Post Exam Well Answered 100% 2024.

2
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Alabama Wastewater Collection Grade 1 C Latest Exam Rated A +2024.

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Basic Wastewater Operator Practice Pro Exam And 100% Correct Answers 2024.

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CA Wastewater Grade 3 Prep Exam And Answ
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CWEA Grade I Laboratory Analyst, questions and answers 2023
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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) 
-...
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CA Wastewater Grade 3 sample questions
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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...
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