Waste Water Engineering The maximum depth of sedimentation tanks, is kept 3 m 4 m 3.5 m 4.5 m 3 m 4 m 3.5 m 4.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Inter-distance between ventilation columns in a sewer line is kept 100 m to 150 m 25 to 50 m 150 m to 300 m 50 m to 100 m 100 m to 150 m 25 to 50 m 150 m to 300 m 50 m to 100 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.55 2.25 2.65 2.5 2.55 2.25 2.65 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed Equal to the rate of water supply Less than the rate of water supply At 150 litres per capita More than the rate of water supply Equal to the rate of water supply Less than the rate of water supply At 150 litres per capita More than the rate of water supply ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Fresh sewage may become stale in One hour Three to four hours Six hours Two to three hours One hour Three to four hours Six hours Two to three hours ANSWER DOWNLOAD EXAMIANS APP