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 If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 200 ppm 50 ppm 100 ppm 150 ppm 200 ppm 50 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is SO₂ CO₂ O₂ CO₂ SO₂ CO₂ O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called A heap Windrow Plateau None of these A heap Windrow Plateau None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Skin cancer Heart disorder Bronchitis Lung cancer Skin cancer Heart disorder Bronchitis Lung cancer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, The baffles or tees are extended up to top level of scum All listed here Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm The baffles or tees are extended up to top level of scum All listed here Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm ANSWER DOWNLOAD EXAMIANS APP
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