MGD Study guides, Class notes & Summaries

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...

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...

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...

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? ...

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 ...

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...

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...

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...

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...

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...