_______ is the ratio of volume of recirculated sewage to the raw sewage. Options: A . &nbspRecirculation factor B . &nbspRecirculation ratio C . &nbspFood to mass ratio D . &nbspBOD

_______ is the ratio of volume of recirculated sewage to the raw sewage.

Question

_______ is the ratio of volume of recirculated sewage to the raw sewage.

Options:

A . Recirculation factor

B . Recirculation ratio

C . Food to mass ratio

D . BOD

Answer: Option B
Answer: (b).Recirculation ratio

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Question 1. The range of organic loading in kg/hectare metre/ day in a high rate trickling filter is ___________....

Question 2. The expression of the recirculation factor F is given by ___________....

Question 3. The size of filter media in a high rate trickling filter is ___________....

Question 4. Recirculation increases the efficiency of high rate trickling filters.....

Question 5. Which of the following process is not involved in the treatment of sludge?....

Question 6. Which of the following is the final stage in the sludge treatment process?....

Question 7. In which sludge treatment process, the organic solids are converted into more stable form?....

Question 8. The process of removal of water from the sludge is called ______....

Question 9. The sludge treatment process to increase the solid content of sludge is ___________....

Question 10. Which of the following is obtained in the secondary tank in two stage sludge digester?....

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