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UPSC Civil Service Exam Questions - Engineering

Q1:

Consider the following statements with reference to oxidation ponds :
1. They require high initial investments
2. They have low operational cost
3. They are also called stabilization ponds.
Which of the statements given above are correct ?

A 1 and 2

B 2 and 3

C 1 and 3

D 1, 2 and 3

ANS:B - 2 and 3

No answer description is available.