Wastewater Operator

Liberty University

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Exam (elaborations)

Wastewater Treatment Operator Certification 80 QUESTIONS WITH VERIFIED ANSWERS 2023 ALL COMPLETE.
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May 2023

2022/2023

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Wastewater Treatment Operator Certification 80 QUESTIONS WITH VERIFIED ANSWERS 2023 ALL COMPLETE. 1. What is the typical BOD removal efficiency in a primary clarifier? A) 10 to 15% B) 40 to 60% C) 20 to 50% D) 95 to 99%: C) 20 to 50% (v.1 pg 129) 2. What does the "F" in F/M ratio represent? A) The microorganism population in the aeration tank B) The amount of filamentous bacteria in the activated sludge process C) The MLVSS in the aeration tank D) The food for the microorganisms ...
lectdenis
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Exam (elaborations)

Wastewater Operator Class 3 Definitions| 301 questions| with complete solutions
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22

February 2023

2022/2023

A+
Clean Water Act Correct Answer: 1977 primary legislation concerning water pollution and its regulation. It establishes the NPDES permit system that prohibits point sources from discharging pollutants into waters of the United States. EPA Correct Answer: Environmental Protection Agency is an agency of the federal government of the United States charged with protecting human health and the environment by writing and enforcing regulations based on laws passed by Congress NPDES Correct Answe...
Demetrius
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Package deal

Water Treatment Operator Certification Tests complete compilation Bundle
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October 2022
Water Treatment Operator Certification Tests complete compilation Bundle
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Exam (elaborations)

Wastewater Operator Class 3 Definitions| 301 questions| with complete solutions
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22

October 2022

2022/2023

A+
Clean Water Act Correct Answer: 1977 primary legislation concerning water pollution and its regulation. It establishes the NPDES permit system that prohibits point sources from discharging pollutants into waters of the United States. EPA Correct Answer: Environmental Protection Agency is an agency of the federal government of the United States charged with protecting human health and the environment by writing and enforcing regulations based on laws passed by Congress NPDES Correct Answe...
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Exam (elaborations)

Wastewater Operator 4 test prep| 300 questions| with complete solutions
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16

October 2022

2022/2023

A+
Heterotrophic Correct Answer: uses organic compounds (BOD) for their carbon source Autotrophic Correct Answer: • use CO2 as their carbon source • Makes own food • nitrifiers • Use alkalinity as carbon source • Convert ammonia to nitrite and nitrate • Redox potential of +200 Bacteria shape round Correct Answer: cocci Bacteria shape rods Correct Answer: bacilli Bacteria shape spiral Correct Answer: spirilla • Freely dispersed bacteria Correct Answer: o often...
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