MGD Study guides, Class notes & Summaries

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...

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 ...

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...

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...

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? ...

NHA Medical Terminology - Abbreviations- CCMA A- mgdl

Texas Class D Water Test Updated Questions and Answers (2024 / 2025) (Verified Answers).1. Who is authorized to remove a lock and tag placed on a piece of equipment to isolate it for maintenance? ANS Only the person who placed the lock and tag 2. In addition of an emergency residual pressure of 20 psi, what is the mini- mum normal operating pressure a public water supply system should main- tain? ANS 35 psi 3. What is the minimum distance separating installed water mains from any sewer lines...

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...

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 ...

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...