CIVICS
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Último contenido CIVICS
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 piping problems than other substances pumped at a wastewater tr...
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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 piping problems than other substances pumped at a wastewater tr...
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 neutralizes acids 
 
Typical mixed liquor suspended solids concentrati...
- Examen
- • 12 páginas's •
-
Civics•Civics
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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 neutralizes acids 
 
Typical mixed liquor suspended solids concentrati...
Preliminary Treatment the 1st stage of sewage treatment where large debris, such as sticks, 
grit, and rags pas through a screen followed by a grit chamber, where the flow of water is slowed 
enough to allow for sedimentation. 
 
What stage of treatment is grit removal usually accomplished in? preliminary treatment 
 
Rotating Biological Contactor a type of biological secondary treatment process 
 
How are protozoa (cause of amoebic dysentery) destroyed? disinfection 
 
Other than stream dischar...
- Examen
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Preliminary Treatment the 1st stage of sewage treatment where large debris, such as sticks, 
grit, and rags pas through a screen followed by a grit chamber, where the flow of water is slowed 
enough to allow for sedimentation. 
 
What stage of treatment is grit removal usually accomplished in? preliminary treatment 
 
Rotating Biological Contactor a type of biological secondary treatment process 
 
How are protozoa (cause of amoebic dysentery) destroyed? disinfection 
 
Other than stream dischar...
What is the supreme law of the land? The Constitution 
 
What does the Constitution do? Sets up the government 
Defines the government 
Protects the basic rights of Americans 
 
The idea of self-government is in the first three words of the Constitution. What are these words? 
We the People 
 
What is an amendment? A change (to the Constitution) 
An addition (to the Constitution) 
 
What do we call the first ten amendments to the Constitution? The Bill of Rights 
 
What is ONE right or freedom f...
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What is the supreme law of the land? The Constitution 
 
What does the Constitution do? Sets up the government 
Defines the government 
Protects the basic rights of Americans 
 
The idea of self-government is in the first three words of the Constitution. What are these words? 
We the People 
 
What is an amendment? A change (to the Constitution) 
An addition (to the Constitution) 
 
What do we call the first ten amendments to the Constitution? The Bill of Rights 
 
What is ONE right or freedom f...