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

Preening

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Washing

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Screening

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Griming

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Solution

The correct option is C
Screening

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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Question 20

Given below is a jumbled sequence of the processes involved in a wastewater treatment plant. Arrange them in their correct sequence.
(a) Sludge is scraped out and skimmer removes floating grease.
(b) Water is made to settle in a large tank with a slope in the middle.
(c) Large objects like plastic bags are removed by passing wastewater through bar screens.
(d) Sand, grit and pebbles are made to settle by decreasing the speed of incoming wastewater.
(e) Wastewater enters a grit and sand removal tank.

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

The correct option is C Screening 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.

The correct option is C
Screening

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.