Wastewater - Study guides, Class notes & Summaries

Texas Wastewater B exam-With 100% verified solutions

Wastewater Treatment Operator Certification Test #1 ANSWERS & ANSWERS 2023 ( A+ GRADED 100% VERIFIED)

TCEQ D Wastewater Exam Questions and Answers Minimum velocity at average flow in a sanitary sewer should be about ____ft/sec? - Answer-2ft/sec What types of pumps are used? - Answer-Centrifugal Lime controls what? - Answer-pH Good house keeping is important for the operators _______ - Answer-Safety F/M ratio formula represented by: - Answer-Volatile, suspended solids, aeration tank (VSSAT) A chlorine leak is detected by_______ - Answer-Vapor 10% ammonia Main purpose of BOD ...

Seeding of BOD samples is necessary when samples - Correct Answer (All of the above) have a chlorine residual, have a previously been chlorinated, have been subjected to high temperatures, contain high or low pH industrial wastes When is blue-green algae the most dominant on a pond treatment system? - Correct Answer Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The approximate volume of wastewater flowing through the pipe is 3.14x1.2...

TCEQ Wastewater Exam Class C Questions With 100% Correct!!

Texas Class C Wastewater Treatment License Study Guide Exam Questions Containing 233 Terms with Definitive Solutions . Terms like: Preliminary Treatment - Answer: 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.

When Chlorine is combined with water what type of pipe should be used? A. Ductile iron B. Asbestos concrete C. PVC D. Carbon Steel - 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 - Answer- D. Free swimmers and stalk ciliates What is Phenolphylein used for in titration A. Oxidizer B. Indicator C. Acid reducer to lower pH...

Operation and Maintenance of Wastewater Collection System Volume II

Why should the pumps in a lift station not start and stop frequently? Pump in a lift station should not start and stop frequently because frequent motor starts cause excessive wear on equipment and may cause surges in the Wastewater flow. Also, frequent starting will increase power cost. What problems develop in a wet well that is too large? If a wet well is too large, solids will tend to accumulate on the bottom because the wet well will be acting as a settling tank, accumulated solids...