TCEQ Wastewater License Exam Questions With Correct Answers
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Course
TCEQ
Institution
TCEQ
TCEQ Wastewater License Exam Questions
With Correct Answers
What are the steps of the Water Use Cycle? - answerEnvironment --> Water Treatment -->
Water Distribution System --> Customer Use --> Wastewater Collection System --> Wastewater
Treatment --> Environment
What are the...
What is carbon dioxide? (CO2) - answer✔A colorless, odorless gas that has a suffocating effect.
When inhaled at higher than normal concentrations, it can produce a sour taste in the mouth and
a stinging sensation in the nose and throat.
What is carbon monoxide? (CO) - answer✔A colorless, odorless, and tasteless gas
Why is oil and grease a concern if present in wastewater? - answer✔It may cause explosions,
fires, line blockages, and odor
What are chlorides and why are excessive chlorides in wastewater bad? - answer✔Excessive
chlorides interfere with treatment processes, especially trickling filters. They also affect
laboratory tests.
What does the BOD test measure? - answer✔It measures wastewater strength and the oxygen
depleting effect of wastewater effluent on the receiving stream. Specifically, it indicates the
amount of organic matter that can be oxidized by biological and chemical action in five days at
20 degrees Celsius.
What are pathogens? What are two viral diseases that could be carried in wastewater? -
answer✔Polio and infectious hepatitis
What are precautions individuals can take to protect against pathogens in the collection system?
How do communities overall prevent waterborne disease? - answer✔- Wear cut-resistant gloves
- Wash after contacting wastewater
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