Question

Question 9
Q. In which one of these is air blown onto the
sewage?
Grit chambers B) Aeration tanks
C) Water tank. D) Septic tank​

Answer 1

option B is the answer may be

Explanation:

Areation tank

Answer 2

Answer:

b) Aeration tanks

Explanation:

In aeration tanks, air is blown onto the sewage to speed up the treatment of water.

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