Anaerobic digester - Study guides, Class notes & Summaries

TEXAS WASTEWATER CLASS A EXAM VERSION A AND B COMPLETE 190+ QUESTIONS WITH DETAILED VERIFIED ANSWERS / ALREADY GRADED A / . Seeding of BOD samples is necessary when samples (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? Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full ...

Wastewater Treatment Operations Exam Questions with Verified Answers (Graded A) Ideal velocity for sanitary sewer collection systems - Answers 2 ft/sec Typical distance between manholes - Answers 300-500 ft Purpose of preliminary treatment processes - Answers Remove course material from wastewater Purpose of primary treatment processes - Answers Remove settleable and floatable materials Purpose of secondary treatment processes - Answers Remove suspended and dissolved solids Sulfur dioxide ...

Seeding of BOD samples is necessary when samples - (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? - 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 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 = ...

Seeding of BOD samples is necessary when samples - (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? - 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 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 =...

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...

A properly functioning anaerobic digester will achieve a reduction in volatile solids of greater than 50%. ( )True ( )False -Answer True Explanation: A properly functioning anaerobic digester will achieve a reduction in volatile solids of greater than 50%. The careful use of chlorine can correct certain operational problems of a trickling filter. ( )True ( )False -Answer True Explanation: The careful use of chlorine can correct certain operational problems of a trickling filter. T...

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...

Texas Wastewater Class A | 200 Questions with 100% Correct Answers | Verified | Latest Update 2024 Seeding of BOD samples is necessary when samples (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? Summer A 30-inch diameter wastewater interceptor is observed to be flowing half-full at about two fps. The a...

Fluffy white foam indicates low aerator solids concentration, while leathery brown foam indicates high solids concentration. - Answer T When an anaerobic digester is becoming upset, the first sign will be increased alkalinity and decreased volatile acid concentration - Answer F Surface aerator oxygen transfer efficiency increases as submergence decreases and the oxygen transfer efficiency increases - Answer F When chlorine is used before disinfection for odor control it is not nec...

Seeding of BOD samples is necessary when samples - (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? - 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 3.14x1.25 x 1.25 x 2 = 4.9 cfs x 449 ...