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The speed at which the bubbles are formed in the simplex aerator?

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in Environmental Engineering by (81.4k points)
The speed at which the bubbles are formed in the simplex aerator?

(a) 15rpm

(b) 20rpm

(c) 60rpm

(d) 30rpm

I have been asked this question during an interview.

This key question is from Mechanical Aeration System, Treatment of Sludge topic in portion Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
The correct option is (c) 60rpm

For explanation: The cones, with spiral vanes rotates at a high speed of 60rpm that results in the formation of bubbles in a simplex aerator resulting in the aeration of sewage.

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