Given below is the flowchart of sewage treatment. Identify A, B, … - Vidyadip

MCQ

Given below is the flowchart of sewage treatment. Identify $A, B, C, D$ and $E$ and select the correct option

A
$A-$small aeration tank, $B-$Microbial digestion, $C-$High $BOD, D-$Activated sludge, $E-$Aerobic sludge digesters
B
$A-$Large aeration tank, $B-$Mechanical agitation, $C-$Increased $BOD, D-$Activated sludge, $E-$Aerobic sludge digesters
C
$A-$small aeration tank, $B-$Microbial digestion, $C-$Low $BOD, D-$Activated sludge, $E-$Anaerobic sludge digesters
✓
$A-$Large aeration tank, $B-$Mechanical agitation, $C-$Reduced $BOD, D-$Activated sludge, $E-$Anaerobic sludge digesters

✓

Answer

Correct option: D.

$A-$Large aeration tank, $B-$Mechanical agitation, $C-$Reduced $BOD, D-$Activated sludge, $E-$Anaerobic sludge digesters

d
$(D)$

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