Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bottom openings 15 cm × 15 cm in the standing baffle wall are provided 15 cm c/c 30 cm c/c 50 cm c/c 22.5 cm c/c 15 cm c/c 30 cm c/c 50 cm c/c 22.5 cm c/c ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Building material Chemical for lowering B.O.D. Base material for paints Fertilizer Building material Chemical for lowering B.O.D. Base material for paints Fertilizer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The following is the physical characteristic of sewage Colour Odour All listed here Turbidity Colour Odour All listed here Turbidity ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Maximum horizontal flow velocity is limited to 0.3 m/minute Length of the tank is normally kept 4 to 5 times the width All listed here Width of the tank is normally kept about 6 m Maximum horizontal flow velocity is limited to 0.3 m/minute Length of the tank is normally kept 4 to 5 times the width All listed here Width of the tank is normally kept about 6 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement velocity of a solid (diameter 0.5 mm, specific gravity 1.75) in water having temperature 10°C, is 500 cm/sec 413.5 cm/sec 313.5 cm/sec 213.5 cm/sec 500 cm/sec 413.5 cm/sec 313.5 cm/sec 213.5 cm/sec ANSWER DOWNLOAD EXAMIANS APP
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