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The effective area of tube diffuser used in the aeration tank is ___________

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in Environmental Engineering by (81.4k points)
The effective area of tube diffuser used in the aeration tank is ___________

(a) 400cm^2

(b) 780cm^2

(c) 1160cm^2

(d) 800cm^2

This question was addressed to me during a job interview.

Origin of the question is Diffused Air System in portion Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
Right choice is (c) 1160cm^2

The explanation: Tube diffuser is 60cm long tube having an internal diameter of 7.5cm and an effective area of 1160cm^2.

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