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Wastewater Operator Class 1 & 2 Practice Test Questions and Correct Answers 2026. A + SCORE STUDY GUIDE.pdf

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Wastewater Operator Class 1 & 2 Practice Test Questions and Correct Answers 2026. A + SCORE STUDY GUIDE.pdf

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Science Earth Science


Wastewater Operator Class 1 & 2 Practice Test
7 studiers today Leave the first rating




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Flashcard sets Study guides



WasteWater Operator Certification S... wastewater practice exam wastewater grade 1 exam Class 1

99 terms 28 terms 92 terms 50 terms




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Practice questions for this set


Learn 1 /7 Study with Learn




What is preliminary treatment?



Choose an answer



Addition of chemicals to enhance water
1 Heating of the waste stream to kill bacteria 2
quality



Removal of various sizes of untreatable and
Filtration of organic matter from the waste
3 usually inorganic objects from the waste 4
stream
stream/



Don't know?




Terms in this set (178) Hide definitions

, Flow measurement system where flow stream contents Timed gravimetric
are collected in container for fixed period of time


Uses a strong oxidizer to break down organic material Chemically Oxidizable Carbon (COD)


a measure of carbon dioxide given off when material is Total Organic Carbon (TOC)
heated to 550°




What is the recommended detention time for a primary 1 1/2 - 2 hours
clarifier?


What would be added to a lagoon/pond to subdue a Sodium Nitrate
strong odor and increase oxygen (O2)?


What is the maximum holding time for fecal coliform 6 hours
alanyses?


What sort of system do lagoons/ponds form for the Aerobic, Anaerobic, Facultative
wastewater organix population?


What is the primary function of a brush aerator? To produce great dissolved oxygen (DO)


If the first pond in a series operation is organically They should be switched to parallel operation
overloaded, how should the flow be controlled?


What should the operator do with plants/weeds growing Remove them as they appear to avoid the establishment of a deep root system
along the water's edge with respect to ponds?


How should lantern rings be installed on the stuffing box Completely filled with grease before all the rings of packing are in place.
as part of a pump unit?


What are the pH parameters outlined by KPDES in the 6.0 - 9.0 ppm
process of wastewater treatment?

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