Q. The full form of BOD is __________

View solution

Q. The biochemical oxygen demand is computed by __________

View solution

Q. The value of deoxygenation constant is independent of the temperature.

View solution

Q. The average standard BOD of domestic sewage is measured in ____________

View solution

Q. Which of the following id the correct expression of population equivalent?

View solution

Q. The expression of relative stability at 20°C is given by ___________

View solution

Q. The expression of relative stability at 37°C is given by ___________

View solution

Q. What is the value of BOD of industrial sewage in kg/day, given population equivalent as 6000 persons?

View solution

Q. Calculate the percentage of relative stability, given 5 day incubation period at 37°C.

View solution

Q. _____ is the amount of oxygen required to oxidize both organic and inorganic matter in sewage.

View solution

Q. COD is abbreviated as ___________

View solution

Q. The oxidizing agent used in COD test is ___________

View solution

Q. 5 days BOD at 20°C is ___ of total demand.

View solution

Q. Which of the following expression is correct regarding deoxygenation constant where symbols have their usual meaning?

View solution

Q. Which of the following is a prime lake pollutant?

View solution

Q. The turbulence decreases the DO content of water.

View solution

Q. The dilution factor is expressed by _____________

View solution

Q. The tolerance limit of BOD of sewage to be disposed on land is ____________

View solution

Q. The tolerance limit of pH value of sewage to be discharged into sea water is ____________

View solution

Q. The dilution factor is 400. What should be the type of treatment given to the water?

View solution