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प्रश्न
Which of the following process is a part of preliminary treatment of sewage?
पर्याय
Biological treatment of sewage in large aeration tanks
Passage of sewage through settling tank
Passage of sewage through sedimentation tank
Screening and passage of sewage through grit chamber
MCQ
उत्तर
Screening and passage of sewage through grit chamber
shaalaa.com
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