Which of the following is called as air diffusion method? Options: A . &nbspActivated sludge aeration B . &nbspDiffused air aeration C . &nbspMechanical aeration D . &nbspCombined aeration

Which of the following is called as air diffusion method?

Question

Which of the following is called as air diffusion method?

Options:

A . Activated sludge aeration

B . Diffused air aeration

C . Mechanical aeration

D . Combined aeration

Answer: Option B
Answer: (b).Diffused air aeration

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Question 1. The maximum quantity of air required in diffused aerator is ______ m³ per million litres of sewage.....

Question 2. The effective area of the diffuser plate used in the aeration tank is ___________....

Question 3. The maximum depth of aeration tank used in activated sludge process is ___________....

Question 4. Which device is used in the aeration tank for cleaning purposes?....

Question 5. With how much pressure the air is filled in the aeration tank?....

Question 6. With which device, the air is introduced in the aeration tank?....

Question 7. The device used for the aeration in the combined aerator is ___________....

Question 8. The detention period of the Sheffield mechanical aeration tank is ___________....

Question 9. The effective area of tube diffuser used in the aeration tank is ___________....

Question 10. The intermittent sand filters have better BOD removal efficiency than trickling filters.....

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