Question
Question: Given below is the flowchart of sewage treatment, identify A, B, C and D and select the correct opti...
Given below is the flowchart of sewage treatment, identify A, B, C and D and select the correct option.
A
A – Mechanical agitation ; B – increased BOD ;
C – Activated sludge ; D – Aerobic sludge digesters
B
A – Microbial digestion ; B – Activated sludge ;
C – Reduced BOD ; D – Anaerobic sludge digesters
C
A – Mechanical agitation ; B – Reduced BOD ;
C – Activated sludge ; B – Anaerobic sludge digesters
D
A – Microbial digestion ; B – Mechanical agitation ;
C – Reduced BOD ; D – Aerobic sludge digesters
Answer
A – Mechanical agitation ; B – Reduced BOD ;
C – Activated sludge ; B – Anaerobic sludge digesters