Waste Water Engineering
The settling velocity of the particles larger than 0.06 mm in a settling tank of depth 2.4 is 0.33 m per sec. The detention period recommended for the tank, is

30 minutes
1 hour and 30 minutes
2 hours
1 hour

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
Dilution method of disposing of sewage, is not preferred to

When diluting water is used for water supply near the point of sewage disposed
When the diluting water is having flow currents
When diluting water has high dissolved oxygen content
When sewage is fresh

ANSWER DOWNLOAD EXAMIANS APP