The standard B.O.D. of water is taken for_________________?

Related Mcqs:

Acid regression stage of sludge digestion at a temperature 21°C extends over a period of______________?

A. 15 days B. 30 days C. 60 days D. 90 days...

In a trickling filter_________________?

A. Filtration process is used B. Biological action is used C. Neither A. nor B. D. Both A. and B....

The rate of accumulation of sludge per person per year, is_______________________?

A. 10 litres B. 15 litres C. 20 litres D. 25 litres...

If is the diameter of upper circular portion, the overall depth of New Egg shaped sewer section, Is_____________________?

A. 1.250 D B. 1.350 D C. 1.425 D D. 1.625 D...

Pick up the incorrect statement from the following?

A. The mixture of water and waste products, is called sewage B. The treated sewage effluents, are generally used for irrigating the crops C. The process of collecting, treating and disposing off the sewage, is called sewerage D. The old convergence system was definitely better than water carried sewerage system...