Algae causes ph to - Study guides, Class notes & Summaries
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Wastewater Treatment Operator Certification Test #1 Questions With 100% Verified Answers
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Wastewater Treatment Operator 
Certification Test #1 Questions With 100% 
Verified Answers 
What is the methane content in a properly operation 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 - answerC) 65 to 70% by volume (v.2 pg 158) 
What will the addition of chlorine gas do to the pH of wastewater? 
A) Moderately increase pH 
B) pH will not be affected 
C) Significantly increase the pH 
D) Decrease the pH - answerD) Decrease t...
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Pool Operator Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
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To be a pool operator you must 
Correct Answer: Complete a pool operator training course 
To prevent spinal injury 
Correct Answer: All of the above 
The strong suction in the pool (ENTRAPMENT) is the 
Correct Answer: Main Drain 
Electrical systems in the pool must have 
Correct Answer: GFIs (Ground Fault Circuit Interrupters?) 
The skimmer _____ prevents floating debris from re-entering the pool 
Correct Answer: WEIR 
What is filtration? 
Correct Answer: Physical process of water moving through...
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Water Treatment Operator Certification Study Guide test exam 2024/2025
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Water Treatment Operator Certification Study Guide test exam 2024/2025 
A continuously flowing watercourse 
Perennial Stream 
 
 
Algae causes PH to ....... at night 
Decrease 
 
 
What contributes to creation of algae blooms 
Increased nutrients 
 
 
Iron is found mostly in what sources of water 
Groundwater 
 
 
Also called the rule of reasonable sharing 
Riparian Doctrine 
 
 
Water high in salinity and warm is 
Low in dissolved oxygen 
 
 
Reservoir turnover 
Denser water at surface sinking ...
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Water Treatment Operator Certification Study Guide (AWWA) Latest 2023 Rated A+
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A continuously flowing watercourse Perennial Stream 
Algae causes PH to ....... at night Decrease 
What contributes to creation of algae blooms Increased nutrients 
Iron is found mostly in what sources of water Groundwater 
Also called the rule of reasonable sharing Riparian Doctrine 
Water high in salinity and warm is Low in dissolved oxygen 
Reservoir turnover Denser water at surface sinking toward the bottom
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WATER TREATMENT OPERATOR CERTIFICATION STUDY GUIDE (AWWA) 2024
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A continuously flowing watercourse - correct answer Perennial Stream 
 
Algae causes PH to ....... at night - correct answer Decrease 
 
What contributes to creation of algae blooms - correct answer Increased nutrients 
 
Iron is found mostly in what sources of water - correct answer Groundwater 
 
Also called the rule of reasonable sharing - correct answer Riparian Doctrine 
 
Water high in salinity and warm is - correct answer Low in dissolved oxygen 
 
Reservoir turnover - correc...
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Water Treatment AWWA Questions Grades 1 and 2. Treatment Process Questions and Answers 100% correct
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Water Treatment AWWA Questions Grades 1 and 2. Treatment Process Questions and Answers 100% correct 
What must the effluent NTU for a slow sand filter be kept at during operation? 
Less than 1.0 NTU 
 
 
 
When water is added too fast to this treatment chemical, it will generate heat and splattering of the chemical. 
Sulfuric acid 
 
 
 
In the lime-softening process, besides CaCO3 being precipitated, what other carbonate hardness chemical is precipitated? 
Magnesium hydroxide 
 
 
 
Dry alum ha...
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Wastewater Treatment Operator Certification Test #1 Complete Questions And Answers
- Exam (elaborations) • 20 pages • 2024
- Available in package deal
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- $13.49
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Wastewater Treatment Operator 
Certification Test #1 Complete Questions 
And Answers 
What is the methane content in a properly operation 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 - answerC) 65 to 70% by volume (v.2 pg 158) 
What will the addition of chlorine gas do to the pH of wastewater? 
A) Moderately increase pH 
B) pH will not be affected 
C) Significantly increase the pH 
D) Decrease the pH - answerD) Decrease the pH ...
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Texas Wastewater Class A || with 100% Correct Answers.
- Exam (elaborations) • 13 pages • 2024
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Seeding of BOD samples is necessary when samples correct answers (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes 
 
When is blue-green algae the most dominant on a pond treatment system? correct answers Summer 
 
A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.25 ...
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Wastewater Treatment Operator Certification Test #1 Complete Questions And Answers
- Exam (elaborations) • 20 pages • 2024
-
- $13.49
- + learn more
Wastewater Treatment Operator 
Certification Test #1 Complete Questions 
And Answers 
What is the methane content in a properly operation 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 - answerC) 65 to 70% by volume (v.2 pg 158) 
What will the addition of chlorine gas do to the pH of wastewater? 
A) Moderately increase pH 
B) pH will not be affected 
C) Significantly increase the pH 
D) Decrease the pH - answerD) Decrease the pH ...
-
Pool Operator Exam Questions and Answers with complete solution
- Exam (elaborations) • 10 pages • 2024
- Available in package deal
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- $6.99
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To be a pool operator you must - Complete a pool operator training course 
To prevent spinal injury - All of the above 
The strong suction in the pool (ENTRAPMENT) is the - Main Drain 
Electrical systems in the pool must have - GFIs (Ground Fault Circuit Interrupters?) 
The skimmer _____ prevents floating debris from re-entering the pool - WEIR 
What is filtration? - Physical process of water moving through the system 
What is the turnover rate in most jurisdictions? - 6 hours 
The turnover rate...
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