Wastewater c Study guides, Class notes & Summaries

TX Class C Wastewater Treatment License Exam Questions and Answers (latest Update 2024)

WasteWater Sources & Characteristics: What is the most common reason for a wastewater to contain intermittent large amounts of sand, gravel, and grit? -ANSWER storm events WasteWater Sources & Characteristics: Combined wastewater is defined as -ANSWER sanitary wastewater and stormwater runoff WasteWater Sources & Characteristics: In general, the solids content in wastewater is about -ANSWER 0.1% WasteWater Sources & Characteristics: In general, what is the % of suspended sol...

BIO 250 Final Exam (Microbiology) | 60 Questions With 100% Correct Answers | Latest Update | Graded A+. What microbial process was responsible for changing Earth’s atmosphere from one without oxygen to one with oxygen? Select one: a. anaerobic respiration b. decomposition c. oxygenic photosynthesis d. temperature regulation In the nitrogen cycle, which of the following phases involves the release of nitrogen as into the Earth’s atmosphere? Select one: a. ammonication b. denitrica...

TX Class C Wastewater Treatment LicensePreliminary Treatment - correct 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. What stage of treatment is grit removal usually accomplished in? - correct answer preliminary treatment Rotating Biological Contactor - correct answer a type of biological secondary treatment process How are...

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 ...

1-What microbial process was responsible for changing Earth’s atmosphere from one without oxygen to one with oxygen? Select one: a. anaerobic respiration b. decomposition c. oxygenic photosynthesis d. temperature regulation 2-In the nitrogen cycle, which of the following phases involves the release of nitrogen as into the Earth’s atmosphere? Select one: a. ammonification b. denitrification c. nitrification d. nitrogen fixation 3-Farmers commonly inoculate legume crops with Rhi...

In an electrical circuit, the grounding wire is indicated by which color? Correct Answer: Green According to the Ohms Law, which electrical unit measures pressure? Correct Answer: Volts According to the Ohms Law, which electrical unit measures resistance? Correct Answer: Ohms According to the Ohms Law, which electrical unit measures current? Correct Answer: Amps How do you convert cubic feet to gallons? Correct Answer: Multiply by 7.48 How do you convert gallons to pounds? Co...