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Periodic cleaning is used to _________

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Periodic cleaning is used to _________

(a) Increase efficiency

(b) Decrease efficiency

(c) Increase pressure

(d) Decrease dissolved oxygen

The question was asked by my college professor while I was bunking the class.

This question is from Biological Oxidation Process in chapter Water of Applied Chemistry

1 Answer

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The correct option is (a) Increase efficiency

Explanation: Periodic cleaning is necessary to remove excess sludge in the water. So, it is useful to increase the efficiency of the process.

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