Waste Water Engineering To prevent settling down of sewage both at the bottom and on the sides of a large sewer, self-cleaning velocity recommended for Indian conditions, is 0.60 m/sec 0.50 m/sec 0.75 m/sec 0.70 m/sec 0.60 m/sec 0.50 m/sec 0.75 m/sec 0.70 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 2 minutes 1 minute 5 minutes 3 minutes 2 minutes 1 minute 5 minutes 3 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment units in which anaerobic decomposition of organic matter is used, are called Sludge sedimentation tanks Trickling filters Imhoff tanks None of these Sludge sedimentation tanks Trickling filters Imhoff tanks None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, Neither silting nor scouring occurs at the bottom The bottom is scoured The bottom is silted Both silting and scouring occur at the bottom Neither silting nor scouring occurs at the bottom The bottom is scoured The bottom is silted Both silting and scouring occur at the bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a fully mechanised composting plant, involves Mechanized segregation All of these Mechanized receipt Mechanized pulverising of refuse Mechanized segregation All of these Mechanized receipt Mechanized pulverising of refuse ANSWER DOWNLOAD EXAMIANS APP