Draw a simple diagram to show anaerobic sludge digester.

Draw a ray diagram to show a myopic eye.

What gases are produced in anaerobic sludge digestres

Which gases are produced in anaerobic sludge digesters?

Which of the following is True/false A small part of activated sludge is pumped into large tank called anaerobic sludge digesters.

Activated sludge is A. formed after sequential filtration and sedimentation in primary setting tank. B. bacterial flocs settings after secondary treatment. C. Passed into anaerobic sludge digester.

Read the following statements about activated sludge. Br a. It is the effluent passed from anaerobic digester to the settling tank. Br b. A small part of activated sludge is pumped into large tanks called anaerobic sludge digesters. Br C. A small part of activated sludge is pumped back Into the aeration tank to serve as inoculum. Which of the above statements are incorrect?

Draw a labelled diagram to show an electromagnet is made.