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What is the main purpose of the waste water treatment mentioned in the document?
What is the main purpose of the waste water treatment mentioned in the document?
- To increase the oxygen levels in water through chemical reactions
- To decompose organic materials using microorganisms (correct)
- To remove inorganic materials from sewage treatment plants
- To reduce the amount of oxygen in water
What are aerobic aquatic microorganisms known for in waste water treatment?
What are aerobic aquatic microorganisms known for in waste water treatment?
- Increasing organic materials in water
- Decomposing inorganic materials
- Using oxygen to decompose organic materials (correct)
- Reducing oxygen levels in water
What department or individual received 2 copies of the document according to the distribution record?
What department or individual received 2 copies of the document according to the distribution record?
- Document Control Room (correct)
- Head of Advisory
- M.R IMS
- Laboratory In charge
What is the term used to describe the amount of oxygen consumed by organisms in breaking down waste?
What is the term used to describe the amount of oxygen consumed by organisms in breaking down waste?
How does lack of oxygen in water affect the growth of aerobic aquatic microbial organisms?
How does lack of oxygen in water affect the growth of aerobic aquatic microbial organisms?
In the context of sewage treatment plants, what does BOD stand for?
In the context of sewage treatment plants, what does BOD stand for?
What is the purpose of using a HACH DR/2400 Spectrophotometer in the described procedure?
What is the purpose of using a HACH DR/2400 Spectrophotometer in the described procedure?
What range of oxygen consumption does the test method cover for the microbial metabolism of organic compounds in water?
What range of oxygen consumption does the test method cover for the microbial metabolism of organic compounds in water?
Who is responsible for supervising the testing activity and reporting results to the concerned department according to the text?
Who is responsible for supervising the testing activity and reporting results to the concerned department according to the text?
What is the purpose of homogenizing the sample before measuring it into a graduated cylinder?
What is the purpose of homogenizing the sample before measuring it into a graduated cylinder?
Why is dilution necessary for samples with BOD values exceeding 700 mg/L?
Why is dilution necessary for samples with BOD values exceeding 700 mg/L?
What is the function of adding potassium hydroxide pellets to the sample bottle during the BOD testing procedure?
What is the function of adding potassium hydroxide pellets to the sample bottle during the BOD testing procedure?
Why is it important to place the instrument in the incubator during the BOD testing procedure?
Why is it important to place the instrument in the incubator during the BOD testing procedure?
What would be the consequence if a different sample size is chosen than what is recommended by the table during BOD testing?
What would be the consequence if a different sample size is chosen than what is recommended by the table during BOD testing?
How does adding nutrients (nutrient buffer pillow) to the sample aid in the BOD testing procedure?
How does adding nutrients (nutrient buffer pillow) to the sample aid in the BOD testing procedure?
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