Related Questions

In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks.
Bacterial aerobic oxidation of polluted water in biological oxidation ponds is done to purify it. Presence of bacteria helps in
The detention period in coagulation tanks is usually kept as
Biological oxidation ponds remove organic matters present in the polluted water by
Aerobic biological oxidation ponds used for the purification of polluted water
Generally the detention period for grit chambers is kept as
The detention period for plain sedimentation water tanks, is usually
A survey was conducted among the students of Khulna University to find out how many forms of physical exercise usually swam, 25% said they usually did jogging, 20% said they played cricket, 15% said they usually played football and 20 respondents said they did not take any form of exercise. From the above findings it can be concluded that.
Four subjects ---physics, Chemistry, Mathematics and Biology ---were taught in four consecutive periods of one hour each starting from 8.00 a.m. At what time was the chemistry period scheduled? 1. Mathematics period ended at 10.00 a.m, which was preceded by Biology. 2. Physics was scheduled in the last period. 3. Mathematics period was immediately followed by Chemistry.
The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally