Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 20 cm 25 cm 40 cm 50 cm 20 cm 25 cm 40 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage is generally A source of objectionable odour Highly decomposed Alkaline Acidic A source of objectionable odour Highly decomposed Alkaline Acidic ANSWER DOWNLOAD EXAMIANS APP
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 0.75 m/sec 0.70 m/sec 0.50 m/sec 0.60 m/sec 0.75 m/sec 0.70 m/sec 0.50 m/sec 0.60 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is O₂ SO₂ CO₂ CO₂ O₂ SO₂ CO₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
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 + 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 [(100 + P1)/(100 – P2)] V1 [(100 – P1)/(100 – P2)] V1 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most widely used pump for lifting sewage is Centrifugal pump Air pressure pump Pneumatic ejector Reciprocating pump Centrifugal pump Air pressure pump Pneumatic ejector Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
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