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Texas Wastewater Class B Exam Prep ( 2026/2027 Update) Questions and Answers
Texas Wastewater Class B Exam Prep (
2026/2027 Update) Questions and
Answers
Q: In order to be a good communicator, what else do you need to be?
Answer:
Listener
Q: During Nitrification, which organisms use ______ for food?
Answer:
Nitrates
Q: In an Activated Sludge Treatment Process what is the most predominant organism?
Answer:
Ciliates and rotifers with few flagellates.
Q: The Detention Time in a Contact Stabilization plant is _____ than other extended aeration
plants.
Answer:
Longer
Q: Other than disinfection chlorination can be used for what?
Answer:
Odor Control, Foaming, Reduce Algae Growth
Q: A leaking chlorine cylinder will do what?
Answer:
Have a frosty coated outside
Q: Who has the right to training and education?
Answer:
Everyone
Q: When connecting a potable water line to a wastewater pump for cooling, what do you need
to put in place?
Answer:
Check Valve
Q: What is the expected % of removal of the settable solids from a primary clarifier?
Answer:
90% to 99%)
Q: Manholes should be placed where?
Answer:
Every 500ft, change in elevation, pipe size or all of the above
Q: A high SVI would represent what about your sludge?
Answer:
Bulking sludge
Q: Grinder pumps are considered for what?
Answer:
A vital part of the collection system
Q: The main purpose for pretreatment is what?
Answer:
To cut cost and help with plant efficiency
Q: One reason you would not have to turn in a monthly report to the local reporting agency?
Answer:
Facility has not been constructed yet
Q: Aquifer recharge with plant EFF can be used for?
Answer:
Prevention of Salt Water intrusion, reduction of subsidence, replenishing of groundwater, all of
the above.
Q: In a facultative, good operation means to?
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