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How many types of aerators are commonly used in the treatment of water?

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+1 vote
in Environmental Engineering by (81.4k points)
How many types of aerators are commonly used in the treatment of water?

(a) 2

(b) 3

(c) 4

(d) 5

The question was asked during an interview.

This is a very interesting question from Various Unit Operations topic in division Unit Operations, Screening and Aeration of Environmental Engineering

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+2 votes
by (693k points)
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Best answer
The correct choice is (c) 4

The explanation: There are 4 types of aerators namely Gravity aerators, Spray aerators, Diffusers and Mechanical aerators.

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