What percentage of solids does waste water contain?

Civil Engineering : Waste Water Engineering - Quiz(MCQ)

0.1%

0.5%

Correct Answer : 0.1%

Explanation : Waste water contains 99.9% water and 0.1% solids. The goal is to remove this 0.1% of solids. Waste water is the water generated by industries and communities.

Recently Updated in Waste Water Engineering Questions

What is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of the water quality called?

Algae growth

Eutrophication

Denitrification

Nitrification

Correct Answer : Option (B) : Eutrophication

Explanation : Eutrophication is the growth of huge amounts of algae and other aquatic plants leading to the deterioration of water quality. The untreated wastewater is rich in organic matter which demands oxygen.