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Clint's ABC Wastewater Exam Questions

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Clint's ABC Wastewater Exam Questions First action for a polymer spill? Ans- Apply an absorbent to dispel such as sand or kitty litter and then sweep up the materials Total discharge head includes? Ans- Discharge pressure head + static discharge head + velocity head + friction head Where is ...

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  • March 21, 2023
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  • 2022/2023
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Clint's ABC Wastewater Exam Questions
First action for a polymer spill? Ans- Apply an absorbent to dispel such as sand or kitty litter and then
sweep up the materials



Total discharge head includes? Ans- Discharge pressure head + static discharge head + velocity head +
friction head



Where is the best location to collect a sample? Ans- A location that represents the entire waste stream
or basin



Preservation and holding times for BOD samples Ans- 48 hours at<=6 degrees centigrade



Define BOD Ans- The rate at which organisms use the oxygen in water or wastewater while stabilizing
decomposable organic matter under aerobic conditions. And decomposition, organic matter serves as
food for the bacteria and energy results from its oxidation. VOD measurements are used as a measure of
the organic strength of wastes and water



Purpose of a desiccator Ans- To allow residual samples to cool prior to weighing



What will happen if the flow to the grit chamber is too low? Ans- Too much organic material will be
deposited



How does an operator control the suspended solids in an activated sludge basin? Ans- Wasting in return
activated sludge



Chlorine combines with ammonia to form what? Ans- Chloramines



What can the operator control with the activated sludge process? Ans- Flow, detention time, wasting
and return rates



What is the best way to control filamentous bacteria? Ans- Addition of chlorine to the return sludge

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