Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 40 to 60% 30 to 40% 60 to 80% 80 to 90% 40 to 60% 30 to 40% 60 to 80% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/2 D/1 D/3 D/4 D/2 D/1 D/3 D/4 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the grit in grit chambers is 4.5 million litres per day, its cleaning is done Manually Mechanically Electrically Hydraulically Manually Mechanically Electrically Hydraulically ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Shredder Neither A nor B Both A and B Comminutor Shredder Neither A nor B Both A and B Comminutor ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Stone ware pipes are Hydraulically efficient because of their smooth interior surface Especially suited to pressure pipes Highly resistant to sulphide corrosion Highly impervious Hydraulically efficient because of their smooth interior surface Especially suited to pressure pipes Highly resistant to sulphide corrosion Highly impervious ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The digested sludge from septic tanks, is removed after a maximum period of 5 years 3.5 years 3 years 4 years 5 years 3.5 years 3 years 4 years ANSWER DOWNLOAD EXAMIANS APP
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