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 0.1 0.5 0.05 0.25 0.1 0.5 0.05 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.74 D D’ = 0.84 D D’ = 0.64 D D’ = 0.94 D D’ = 0.74 D D’ = 0.84 D D’ = 0.64 D D’ = 0.94 D ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is 1 in 120 1 in 60 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 5 ppm 3 ppm 10 ppm 4 ppm 5 ppm 3 ppm 10 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The quantity of liquid waste which flows in sewers during the period of rainfall, is known None of these Sanitary sewage Industrial waste Storm sewage None of these Sanitary sewage Industrial waste Storm sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In 1000 kg of sewage, the total solids approximate 1 kg to 2.0 kg 0.5 to 1.0 kg 5 kg to 7.5 kg 7.5 kg to 10 kg 1 kg to 2.0 kg 0.5 to 1.0 kg 5 kg to 7.5 kg 7.5 kg to 10 kg ANSWER DOWNLOAD EXAMIANS APP
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