Waste Water Engineering In a sludge digestion tank if the moisture content of sludge V1 litres is reduced from p1 % to p2 % the volume V2 is [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 + P2)] V1 [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 – P2)] V1 [(100 + P2)/(100 – P1)] V1 [(100 – P1)/(100 + P2)] V1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which transports the sewage to the point of treatment, is called Branch sewer House sewer Out-fall sewer Main sewer Branch sewer House sewer Out-fall sewer Main sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Heart disorder Lung cancer Bronchitis Skin cancer Heart disorder Lung cancer Bronchitis Skin cancer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The effluent of a septic tank is As good as that from a complete treatment Foul and contains dissolved and suspended solids None of these Fit for discharge into any open drain As good as that from a complete treatment Foul and contains dissolved and suspended solids None of these Fit for discharge into any open drain ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.6 0.55 0.45 0.5 0.6 0.55 0.45 0.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas evolved in sewers is Hydrogen sulphide Methane All of these Carbondioxide Hydrogen sulphide Methane All of these Carbondioxide ANSWER DOWNLOAD EXAMIANS APP