Basic Wastewater Operator Practice Exam questions with correct answers
What is the predominant organism in a healthy activated sludge treatment plant? A. Stalked ciliates B. rotifers C. nematodes D. amoebas CORRECT ANSWER A. Stalked Ciliates A composite sample must be? A. sporadically collected in the treatment plant B. taken at one time C. analyzed immediately D. representative and sub-samples time spaced over 15 minutes apart CORRECT ANSWER D. representative and sub-samples time spaced over 15 minutes apart What is the standard volume for a BOD sample bottle? A. 150 mL B. 200 mL C. 300 mL D. 500 mL CORRECT ANSWE
École, étude et sujet
- Établissement
- Basic Wastewater Operator
- Cours
- Basic Wastewater Operator
Infos sur le Document
- Publié le
- 2 décembre 2023
- Nombre de pages
- 38
- Écrit en
- 2023/2024
- Type
- Examen
- Contient
- Questions et réponses
Sujets
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basic wastewater operator practice exam questions
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