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Question

The process of removing large objects such as plastic bags, clothes, diapers etc using grills and nets in a wastewater treatment plant is called________.


A

Preening

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B

Washing

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C

Screening

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D

Griming

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Solution

The correct option is A

Preening


Screening is the process of removing large objects from wastewater using nets and grills. These objects get caught in the grills while water flows free. In English, the word “screening” means to filter selectively. In this case, large objects are filtered.


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