MGD Study guides, Class notes & Summaries
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CWEA Electrical and Instrument Grade 2 exam 2023 with 100% correct answers
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What is PPE Category 1? - correct answerArc-Rated clothing, Minimum Arc Rating of Arc 4 cal/cm2 
 arc-rated long sleeve shirt and pants or overall 
 
Parshall Flume Measurement point? 1.2 FT Water Height 20.8xH at measurement point - correct answerPossible answer:72,607 MGD 
 
Absoulte Pressure Gauge? What is True? - correct answerPossible answer: Read more accurate or 14.7 PSI higher 
 
Flow meter that uses electrodes is? - correct answerMagnetic Flow Meters 
 
What is the resister color co...
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CWEA Electrical and Instrument Grade 2 Study Guide Questions And Answers
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CWEA Electrical and Instrument Grade 2 Study Guide Questions And Answers 
What is PPE Category 1? - ANS-Arc-Rated clothing, Minimum Arc Rating of Arc 4 cal/cm2 
arc-rated long sleeve shirt and pants or overall 
Parshall Flume Measurement point? 1.2 FT Water Height 20.8xH at measurement point - ANS-Possible 
answer:72,607 MGD 
Absoulte Pressure Gauge? What is True? - ANS-Possible answer: Read more accurate or 14.7 PSI higher 
Flow meter that uses electrodes is? - ANS-Magnetic Flow Meters 
What i...
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Alabama Wastewater Collection Grade 1 C Latest Exam Rated A +2024.
- Exam (elaborations) • 127 pages • 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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Waste Water Certification Test exam 2023 with 100% correct answers
- Exam (elaborations) • 47 pages • 2023
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Surface water runoff, storm water, sanitary and industrial. 
A collection system that is called "combined" may carry this kind of wastewater: 
 
 
 
2 
The flow in a collection system should be a minimum of ____ feet per second (FPS)? 
 
 
 
Solids will settle. 
What will happen if the flow is too slow in a collection system? 
 
 
 
Odors, Corrosion, Hydrogen Sulfide Gas (all of the above) 
A short detention time in the collection system will help prevent which of the following problems? 
 
 
...
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WASTEWATER CERTIFICATION TEST 2023 QUESTIONS AND ANSWERS ALREADY PASSED A+
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Surface water runoff, storm water, sanitary and industrial. - CORRECT ANS A collection system that is called "combined" may carry this kind of wastewater: 
2 - CORRECT ANS The flow in a collection system should be a minimum of ____ feet per second (FPS)? 
Solids will settle. - CORRECT ANS What will happen if the flow is too slow in a collection system? 
Odors, Corrosion, Hydrogen Sulfide Gas (all of the above) - CORRECT ANS A short detention time in the collection system wi...
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TX Class C Wastewater Treatment License Questions and Answers Rated A
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TX Class C Wastewater Treatment 
License Questions and Answers Rated A 
 
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 ...
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WasteWater Operator class C exam practice review questions with answers
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WasteWater Operator class C exam practice review questions with answers 
 
When Chlorine is combined with water what type of pipe should be used? 
 
A. Ductile iron 
B. Asbestos concrete 
C. PVC 
D. Carbon Steel - ANS C. PVC 
 
A good settling sludge would consist of what type of protozoa? 
 
A. Rotifers and nematodes 
B. Amoebas and Flagellates 
C. Stalked ciliates and mastagoria 
D. Free swimmers and stalk ciliates - ANS D. Free swimmers and stalk ciliates 
 
What is Phenolphylein use...
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The Wastewater Treatment B Test Questions And Answers All Verified
- Exam (elaborations) • 5 pages • 2024
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The Wastewater Treatment B Test Questions And Answers All Verified 
 
 
Liftstations at a treatment plant or those which discharge directly to a treatment plant with an average flow greater than 0.1 MGD shall have three or more pumps or have automatically controlled variable capacity pumps, these pumps should be adjusted to actual flow conditions and controlled to operate so as to: - ANS Minimize surges in the treatment in the treatment units. 
 
In the contact stabilization system of activa...
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Alabama Wastewater Collection Grade 1 C Exam Questions With Verified Solutions
- Exam (elaborations) • 96 pages • 2024
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Alabama Wastewater Collection Grade 1 C Exam Questions With Verified Solutions 
 
A flow of 60 gph is equal to? 
 
 a. 1 mgd 
 b. 1mg/L 
 c. 10 gpm 
 d. 1 gpm - ANS 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 - ANS b. The difference in invert elevation over the length 
 of t...
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TEXAS WASTEWATER A EXAM QUESTIONS AND ANSWERS.
- Exam (elaborations) • 13 pages • 2023
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What is TCEQ doing to control "point source" pollution of the Texas waterways? 
*Permitting of domestic wastewater plants 
*Permitting of industrial wastewater plants 
 
 
 
Describe proper design of force main wastewater lines. 
Minimum two fps velocity with the smallest pump operating alone. Minimum four inch diameter pipe with 150 psi rating. 
 
 
 
What is Standard Dimension Ratio? 
Ratio of outside pipe diameter (OD) to wall thickness (PVC) 
 
 
 
Describe proper design of gravity wastewa...
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