What is the detention time considered while designing a Grit chamber?

Civil Engineering : Waste Water Engineering - Quiz(MCQ)

10-20 sec

20-40 sec

45-90 sec

90-120 sec

Correct Answer : 45-90 sec

Explanation : The detention time considered while designing a Grit chamber is 45-90 sec. Usually, 60 secs is considered as the detention time in most of the cases. The typical head loss considered is 30-40%.

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.