Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipes All listed here Are designed for generating self-cleansing velocities at different discharge Should resist the wear and tear caused due to abrasion Carry sewage as gravity conduits All listed here Are designed for generating self-cleansing velocities at different discharge Should resist the wear and tear caused due to abrasion Carry sewage as gravity conduits ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The factor responsible for purification of sewage in river is Dissolved oxygen in water Temperature Hydrology All listed here Dissolved oxygen in water Temperature Hydrology All listed here ANSWER DOWNLOAD EXAMIANS APP
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 25 cm 40 cm 50 cm 20 cm 25 cm 40 cm 50 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as Free ammonia Nitrites None of these Nitrates Free ammonia Nitrites None of these Nitrates ANSWER DOWNLOAD EXAMIANS APP
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