Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Both A and B Near the outer surface of the pipe With elliptical cage Near the inner surface of the pipe Both A and B Near the outer surface of the pipe With elliptical cage Near the inner surface of the pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Shredder Both A and B Neither A nor B Comminutor Shredder Both A and B Neither A nor B Comminutor ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrates in sewage, the colour may be developed by adding Sulphuric acid and napthamine Phenol-di -sulphuric acid and potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid and potassium hydroxide None of these Potassium permanganate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum depth of sedimentation tanks, is kept 4.5 m 4 m 3.5 m 3 m 4.5 m 4 m 3.5 m 3 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is classified as shallow if its depth is between 0.7 to 0.9 m 0.5 to 0.7 m 0.9 to 1.20 m 0.4 to 0.5 m 0.7 to 0.9 m 0.5 to 0.7 m 0.9 to 1.20 m 0.4 to 0.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Nitrates Carbon dioxide All of these Sulphates Nitrates Carbon dioxide All of these Sulphates ANSWER DOWNLOAD EXAMIANS APP