WASTEWATER PRACTICE EXAM QUESTIONS & ANSWERS COMPLETE
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Course
WASTEWATER
Institution
WASTEWATER
WASTEWATER PRACTICE EXAM
QUESTIONS & ANSWERS
COMPLETE
When organic wastes are discharged to receiving waters, O2 is depleted by _____. Ans-
bacteria
Hydrogen sulfide gives off an odor similar to____. Ans- rotten eggs
3 diseases potentially carried by wastewater are _____. Ans- typhoid feve...
WASTEWATER PRACTICE EXAM
QUESTIONS & ANSWERS 2024-2025
COMPLETE
When organic wastes are discharged to receiving waters, O2 is depleted by _____. Ans ✔✔-
bacteria
Hydrogen sulfide gives off an odor similar to____. Ans ✔✔- rotten eggs
3 diseases potentially carried by wastewater are _____. Ans ✔✔- typhoid fever, disentery,
cholera
Immediate first aid for butrns is to ____. Ans ✔✔- flood with cold water
When a high organic waste load reaches an activated sludge plant, the operator's first indicator
is a decrease in Ans✔✔- DO residual in the reactors (aeration tanks)
Disaster planning is ____ Ans✔✔- useful in reducing confusion in the event of a disaster.
What most likely causes an electic motor failure? Ans✔✔- mopisture
What mixed liquor characteristics indicate a healthy activated sludge process? Ans ✔✔- brown
color, frothy appearance, and musty odor
T/F: Algae is a plant life necessary for the proper functioning of a stabilization or oxidation pond.
Ans✔✔- True
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