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Civil Engineering - GATE Exam Questions - Discussion

Discussion Forum : GATE Exam Questions - Section 2 (Q.No. 44)
GATE Exam Questions
44.
A trickling filter is primarily a :
straining process to remove suspended solids from sewage
biological oxidation process to remove BOD from sewage
straining process to remove turbidity from water
straining process to remove bacteria from water
Answer: Option
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