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The minimum size of sludge digestion tank is ___________

(a) 0.5m

(b) 1m

(c) 2m

(d) 3m

The question was posed to me during an online interview.

This interesting question is from Digestion of Sludge, Sludge Digestion Tank topic in division Sewage Filtration and Activated Sludge Process of Environmental Engineering

1 Answer

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Best answer
The correct option is (d) 3m

To explain I would say: The minimum size of sludge digestion tank is 3m. They are cylindrical in shape with a funnel shaped at the bottom.

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