Question

Following is the sewage treatment. In which of the following options, correct word for all the four numbers (1, 2, 3 and 4) are indicated –

• A. 1 – Large aeration tanks; 2 – Chemically agitation; 3 – High; 4 – Anaerobic
• B. 1 – Large aeration tanks; 2 – Mechanically agitation; 3 – Low; 4 – Anaerobic
• C. 1 – Large aeration tanks; 2 – Mechanically agitation; 3 – Low; 4 – Aerobic
• D. 1 – Large aeration tanks; 2 – Mechanically agitation; 3 – High; 4 – Anaerobic

Answer 1

Answer: (B)

1 – Large aeration tanks; 2 – Mechanically agitation;

3 – Low; 4 – Anaerobic