Q. Which of the following compound is broken down by the microbial biofilms in the waste water?

View solution

Q. Pathogens can be removed by action of microbial biofilms.

View solution

Q. __________ method is used for water disinfection.

View solution

Q. Which of following physical methods cannot be used for treatment of waste water?

View solution

Q. Which of the following process involves addition of chemical followed by rapid mixing?

View solution

Q. Efficient wastewater treatment is done by segregating various waste streams and treating them separately.

View solution

Q. Reverse osmosis is used in the treatment of waste water to remove the suspended solids from the water.

View solution

Q. Secondary treatment systems can be used for biological degradation of ____________ in municipal waste waters.

View solution

Q. Which of the following is another name given to conventional bio filters?

View solution

Q. In the exposed lands, ______ are used to assist rotation during harsh weather conditions?

View solution

Q. Bio filters are fed with effluent only after ____________

View solution

Q. Compensation for lower temperatures can be achieved by reducing hydraulic and organic loading rates thereby increasing _____________

View solution

Q. Effective preliminary treatment can also be used to remove the ____

View solution

Q. Which of the following factors doesn’t influence biological treatment efficiency?

View solution

Q. Which of the following has the potential to ‘rough’ high strength industrial effluents prior to sewage discharge?

View solution

Q. Rotating biological contractors is used for carbonaceous oxidation as a ________

View solution

Q. Organic overloading is a major problem associated with Rotating biological contractors.

View solution

Q. Absorbing oxygen from the air and pollutants from the wastewater can be decomposed aerobic microorganisms by which of the following methods?

View solution

Q. Up flow anaerobic sludge blanket reactor is an anaerobic digester which is used for wastewater treatment with the help of suspended sludge blanket filters.

View solution

Q. Activated sludge is a type of wastewater treatment method for the treatment of sewage or industrial wastewaters using aeration and a microbial floc.

View solution