MGD Study guides, Class notes & Summaries
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CWEA Electrical and Instrument Grade 2 exam 2023 with 100% correct answers
- Exam (elaborations) • 13 pages • 2023
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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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CWEA LAB ANALYST III CERTIFICATION TEST 2024/2025 WITH 80 REAL EXAM QUESTIONS AND CORRECT ANSWERS (100% CORRECT VERIFIED ANSWERS) CALIFORNIA WATER ENVIRONMENT ASSOCIATION - CWEA LAB ANALYST III CERTIFICATION GRADED A+ ( NEWEST!!)
- Exam (elaborations) • 10 pages • 2024
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CWEA LAB ANALYST III CERTIFICATION TEST 2024/2025 WITH 80 REAL EXAM QUESTIONS AND CORRECT ANSWERS (100% CORRECT VERIFIED ANSWERS) CALIFORNIA WATER ENVIRONMENT ASSOCIATION - CWEA LAB ANALYST III CERTIFICATION GRADED A+ ( NEWEST!!) 
A waste is considered hazardous if it has at least one of the following properties: - 
ANSWER-ignitability, corrosivity, reactivity, and toxicity. 
The average flow in a treatment plant is 3.1 MGD. A chlorine residual of 4.0 mg/L 
is maintained and the effluent mu...
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Waste Water Operator class C exam 2024/2025 Review Questions and Answers correct verified
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Waste Water Operator class C exam 
2024/2025 Review Questions and 
Answers correct verified 
When Chlorine is combined with water what type of pipe should be used? 
A. Ductile iron 
B. Asbestos concrete 
C. PVC 
D. Carbon Steel - CORRECT ANSWER-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 - CORRECT ANSWER-D. Free swimmers and stalk 
ciliates...
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WASTEWATER PRACTICE TEST
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WASTEWATER PRACTICE TESTA spray field has a total of 80 acres and is divided into four equal zones. Only one zone may be Operated at a time and the permit states that no more than 4 inches of water can be applied to the zone. How long can a zone be operated at a rate of 0.7 MGD before it must be rotated to another zone? - Answer-3.1 Days 
4/12= 0.33 
43560 x 0.33= 14.374.8 
14.374.8 x 7.48= 107,523.5 
107,523.5 x 20= 2,150,460 
2,150,460/700,000= 3.1 Days 
 
Most activated sludge mixed liquor su...
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The Wastewater Operator Treatment 2 Final Exam 2024/2025
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The Wastewater Operator Treatment 2 
Final Exam 2024/2025 
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: - CORRECT ANSWERMinimize surges in the treatment in the treatment units. 
In the contact stabilization system of activat...
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The Wastewater Treatment B Test Questions And Answers All Verified
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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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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
- Exam (elaborations) • 20 pages • 2024
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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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