Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Alum Ferric chloride Chlorinated coppers Ferric sulphate Alum Ferric chloride Chlorinated coppers Ferric sulphate ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage is generally Acidic Highly decomposed A source of objectionable odour Alkaline Acidic Highly decomposed A source of objectionable odour Alkaline ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is 10 cm 15 cm 18 cm 12 cm 10 cm 15 cm 18 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The shape is rectangular The velocity of flow is restricted to 0.30 m/minute All of these Detention period is 2 hours The shape is rectangular The velocity of flow is restricted to 0.30 m/minute All of these Detention period is 2 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at Full depth Half full Three fourth full Two third full Full depth Half full Three fourth full Two third full ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.25 0.5 0.1 0.05 0.25 0.5 0.1 0.05 ANSWER DOWNLOAD EXAMIANS APP