What is the minimum diameter of pipes used for drainage of waste water?

Civil Engineering : Waste Water Engineering - Quiz(MCQ)

50 mm

75 mm

100 mm

105 mm

Correct Answer : 75 mm

Explanation : Waste water is from showers, basins, kitchen sinks, washing machines and the like. This is also called grey water. Normally a minimum of 75 mm diameter pipes is used for drainage of waste water.

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.