Wastewater collection Study guides, Class notes & Summaries
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Operation and Maintenance of Wastewater Collection Systems Volume 1 test questions and answers
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Operation and Maintenance of Wastewater Collection Systems Volume 1 test questions and answers
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Alabama Wastewater Collection Grade 1 C Latest Exam Rated A +2024.
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A flow of 60 gph is equal to? 
 
 a. 1 mgd 
 b. 1mg/L 
 c. 10 gpm 
 d. 1 gpm - Answer d. 1 gpm (60 gph / 60 min/hr ) 
 
The slope of a sewer is measured by 
 
 a. The difference from the crown to the invert 
 b. The difference in invert elevations over the length 
 of the pipe 
 c. Using the diameter of the pipe 
 d. Only entering the manhole - Answer b. The difference in invert elevation over the length 
 of the pipe 
 
An air gap can be used to 
 
 a. Clean sewer blockages caused by greas...
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WASTEWATER COLLECTIONS QUESTIONS AND ANSWERS
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What is a unusually strong wastewater discharged from a waste source? - Answer-A sock load 
 
The four categories of wastewater characteristics are? - Answer-physical, chemical, bacteriological, 
and radiological. 
 
The amount of wastewater collected depends on? - Answer-economic status, water rates, climate, 
infiltration/inflow, and industry. 
 
Physical characteristics are detected by the senses such as? - Answer-smell and sight 
 
When anaerobic decomposition begins producing acid and 
odor...
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Operation and Maintenance of Wastewater Collection Systems Volume 1
- Exam (elaborations) • 16 pages • 2024
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Operation and Maintenance of Wastewater Collection Systems Volume 1
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Wastewater collections III questions with correct answers
- Exam (elaborations) • 11 pages • 2023
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Wastewater force main pressure rating is. 
 
A. 75 
B. 100 
C. 125 
D. 150 
E. 200 correct answer d. 150 
 
The most critical factors of the final grade of a gravity wastewater pipe should be? 
 
A. Alignment 
B. Choice of pipe materials 
C. Choice of leveling equipment 
D. Choice of excavating equipment 
E. Choice of pipe bedding correct answer e. Choice of pipe bedding 
 
Setting goals works best when? 
 
A. Accompanied by an action plan
Too much month left at the end of the money?
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Operation and Maintenance of Wastewater Collection Systems Volume 1
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Operation and Maintenance of Wastewater Collection Systems Volume 1
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CWEA Operation and Maintenance of Wastewater Collection System Volume II Questions And Correct Answers
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CWEA Operation and Maintenance of 
Wastewater Collection System Volume II 
Questions And Correct Answers 
Lift station. What is the most important requirement of a lift station? - ANSWER 1. 
Economics . 
2. Operation and maintenance. 
3. Reliability. 
4. Safety. 
Why should the design of a lift station take into consideration any humid atmosphere in 
the station? - ANSWER 1. To avoid making operators sweat profusely. 
2. To keep moisture from hindering light passing through the window. 
3. To...
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CWEA Collections System Maintenance Grade 3 | Questions and Answers | Correct Latest 2023 Graded A+
- Exam (elaborations) • 13 pages • 2023
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CWEA Collections System Maintenance Grade 3 | Questions and Answers | Correct Latest 2023 Graded A+. When pouring a concrete slab, which of the following tools is used to finish the concrete? 
a. Grasshopper. 
b. Tamper. 
c. Trowel. 
d. Vibrator. Correct Answer: c. Trowel. 
What tool is used to snare a broken section of sewer rod? 
a. Square stock corkscrew. 
b. Auger. 
c. Pickup tool. 
d. Pull out tool. Correct Answer: c. Pickup tool. 
Why is the replacement of wastewater collection systems in ...
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ABC Wastewater collection Level 3 Exam Questions with 100% correct answers
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Turbidity in wastewater is caused by 
A. color 
B. dissolved calcium 
C. hardness 
D. finely divided suspended material - correct answer D. finely divided suspended material 
 
The gas most commonly associated with septic wastewater is 
A. carbon dioxide 
B. carbon monoxide 
C. hydrogen sulfide 
D. methane - correct answer C. hydrogen sulfide 
 
How many cubic meters per second in 10 MGD? 
A. 0.44 
B. 1.44 
C. 4.73 
D. 24.62 - correct answer A. 0.44 
 
Mechanical ventilation of a lift station is...
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Wastewater Collection Systems Questions with Correct Answers
- Exam (elaborations) • 6 pages • 2024
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True or False 
persons responsible for the operation and maintenance of wastewater collection systems usually are the ones responsible for the design and construction of these systems. Correct Answer false 
 
True or False 
the wastewater in collection systems is usually conveyed by pumping. Correct Answer false 
 
True or False 
inflow is the seepage of groundwater into a sewer system, including service connections. Correct Answer false 
 
True or False 
velocities in sewers should be calculate...
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