TCEQ Surface Water B License Test
Questions with Correct Answers
100% Verified Graded A+
1. When pressure testing a new line, how much pressure do you add?
Answer: 1.5 times normal pressure, up to 150 pounds, whichever is greater
2. What would cause a repeat Bac-T sample?
Answer: Incomplete form, not enough sample, silt or slime in the bottle, positive e-
coli, all of the above
3. What are the layers of stratification?
Answer: Upper layer - Epilimnion. Middle layer - Thermocline. Bottom Layer -
Hypolimnion.
4. What standard must bleach meet?
Answer: NSF (National Sanitation Foundation)
5. What is the Solid contact unit?
Answer: Also known as a Sludge blanket unit, it is an all-in-one unit, handling mixing,
flocculation and sedimentation, with an upward flow.
6. What is the number one sludge removal process in Texas?
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9
, Answer: Lagooning/La- goons.
7. What are the Log removals for cryptosporidium, giardia and viruses?
Answer: Cryp- tosporidium - Log 2, 99%. Giardia - Log 3, 99.9%. Viruses - Log 4, 99.99%.
8. Which two filter membranes remove the most NTUs?
Answer: RO (Reverse Osmosis), and Nano Filtration
9. What are lime and soda ash used for removing?
Answer: Hardness
10. What purpose does aeration serve in the softening process?
Answer: Releases CO2 which helps keep hardness in solution.
11. What is the Jar Test Process?
Answer: Unknown
12. What can replace primary coagulation?
Answer: Cationic polymers.
13. What tells you that the chloramine ratio is off?
Answer: The presence of di and tri chloramines, and excessive free ammonia.
14. What is the Right to Know law?
Answer: Typically included in the MSDS. The law includes employers providing
information, training and PPE for various chemicals worker may be exposed to.
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9
Questions with Correct Answers
100% Verified Graded A+
1. When pressure testing a new line, how much pressure do you add?
Answer: 1.5 times normal pressure, up to 150 pounds, whichever is greater
2. What would cause a repeat Bac-T sample?
Answer: Incomplete form, not enough sample, silt or slime in the bottle, positive e-
coli, all of the above
3. What are the layers of stratification?
Answer: Upper layer - Epilimnion. Middle layer - Thermocline. Bottom Layer -
Hypolimnion.
4. What standard must bleach meet?
Answer: NSF (National Sanitation Foundation)
5. What is the Solid contact unit?
Answer: Also known as a Sludge blanket unit, it is an all-in-one unit, handling mixing,
flocculation and sedimentation, with an upward flow.
6. What is the number one sludge removal process in Texas?
1/
9
, Answer: Lagooning/La- goons.
7. What are the Log removals for cryptosporidium, giardia and viruses?
Answer: Cryp- tosporidium - Log 2, 99%. Giardia - Log 3, 99.9%. Viruses - Log 4, 99.99%.
8. Which two filter membranes remove the most NTUs?
Answer: RO (Reverse Osmosis), and Nano Filtration
9. What are lime and soda ash used for removing?
Answer: Hardness
10. What purpose does aeration serve in the softening process?
Answer: Releases CO2 which helps keep hardness in solution.
11. What is the Jar Test Process?
Answer: Unknown
12. What can replace primary coagulation?
Answer: Cationic polymers.
13. What tells you that the chloramine ratio is off?
Answer: The presence of di and tri chloramines, and excessive free ammonia.
14. What is the Right to Know law?
Answer: Typically included in the MSDS. The law includes employers providing
information, training and PPE for various chemicals worker may be exposed to.
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9
