Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 225 ppm 200 ppm None of these 250 ppm 225 ppm 200 ppm None of these 250 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Stone ware pipes are Hydraulically efficient because of their smooth interior surface Highly impervious Highly resistant to sulphide corrosion Especially suited to pressure pipes Hydraulically efficient because of their smooth interior surface Highly impervious Highly resistant to sulphide corrosion Especially suited to pressure pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.84 D D’ = 0.94 D D’ = 0.74 D D’ = 0.64 D D’ = 0.84 D D’ = 0.94 D D’ = 0.74 D D’ = 0.64 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Setting out the alignments of sewers may start from Any point Tail end Out-fall City Any point Tail end Out-fall City ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage Near the outer surface of the pipe Both A and B Near the inner surface of the pipe With elliptical cage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of minimum hourly flow to the average flow of sewage is 43832 43894 43834 43833 43832 43894 43834 43833 ANSWER DOWNLOAD EXAMIANS APP
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