What is the function of a skimmer in a wastewater treatment plant?

It helps in decomposing organic matter.

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It helps in removing floating solids.

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It helps in removing large objects.

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It helps in decomposing solids.

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Solution

The correct option is B
It helps in removing floating solids.

Sewage has different kinds of impurities such as suspended solids, oil, organic and inorganic impurities.
A skimmer is a type of machine which helps in separating liquids(oil) or suspended particles from another liquid. It is usually used to separate oil and suspended solids from water in a wastewater treatment plant.

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