MGD Study guides, Class notes & Summaries
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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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Alabama Wastewater Collection Grade 1 C Exam Questions With Verified Solutions
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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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NHA Medical Terminology - Abbreviations- CCMA A- mgdl
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NHA Medical Terminology - Abbreviations- CCMA A- mgdl
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TEXAS WASTEWATER A EXAM QUESTIONS AND ANSWERS.
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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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PAC 1 Test Questions & Answers
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PAC 1 Test Questions & Answers 
 
Most water sources are classified as: 
 
a) Clean or dirty 
b) Hot or cold 
c) Surface or well 
d) Acidic or alkaline - c) Surface or well 
 
Fe++, Mg++ are known as: 
 
a) divalent anions 
b) divalent cations 
c) reactive atoms 
d) molecules - b) divalent cations 
 
How many pounds of product are needed to make 300 gallons of a 1% solution (weight to 
weight) of an Ondeo Nalco product that has a density of 9.4#/gal? 
 
a) 22.1 
b) 25 
c) 28.2 
d) 235 - b) 25 
 ...
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Texas Wastewater A Exam Questions And Answers All Verified
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Texas Wastewater A Exam Questions And Answers All Verified 
 
What is TCEQ doing to control "point source" pollution of the Texas waterways? - ANS *Permitting of domestic wastewater plants 
*Permitting of industrial wastewater plants 
 
Describe proper design of force main wastewater lines. - ANS Minimum two fps velocity with the smallest pump operating alone. Minimum four inch diameter pipe with 150 psi rating. 
 
What is the Standard Dimension Ratio? - ANS Ratio of outside pipe dia...
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Grade 1 Water Distribution Multiple Choice Questions and Answers Updated
- Exam (elaborations) • 23 pages • 2024
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Grade 1 Water Distribution Multiple Choice Questions and Answers Updated 
 
Which agency sets legal limits on the concentration levels of harmful contaminants in potable water distributed to customers? 
a. National Primary Drinking Water Regulations Agency 
b. US EPA 
c. US Public Health Service 
d. Occupational Health and Safety Administration - B 
 
The number of monthly distribution system bacteriological samples required is 
a. based on the water withdrawal permit limit 
b. based on the syst...
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CWEA Electrical and Instrument Grade 2 Study Guide Graded A+
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What is PPE Category 1? - Answer-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 - AnswerPossible answer:72,607 MGD 
Absoulte Pressure Gauge? What is True? - Answer-Possible answer: Read more accurate or 14.7 PSI 
higher 
Flow meter that uses electrodes is? - Answer-Magnetic Flow Meters 
What is the resister color code : Orange, White,Silver,Gold Band - Ans...
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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 will help prevent wh...
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Wastewater Collections III Exam Questions with 100% Correct Answers
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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 
B. DEVELOPED BY MANAGER 
C. DEVELOPED BY EMPLOYEE C...
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