Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The depth of tank is kept equal to its width The outlet invert level is kept 5 to 7.5 cm below the inlet invert level The minimum width of septic level is 90 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering It is customary to design a sewer for D.W.F. on the basis of Twice the average demand Four times the average demand Thrice the average demand Average demand Twice the average demand Four times the average demand Thrice the average demand Average demand 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 = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (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 The average temperature of sewage in India, is 15°C 25°C 20°C 10°C 15°C 25°C 20°C 10°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Kjeldahl nitrogen is a mixture of Organic nitrogen and ammonia Ammonia and nitrogen All listed here Nitrogen and organic nitrogen Organic nitrogen and ammonia Ammonia and nitrogen All listed here Nitrogen and organic nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 5 ppm 4 ppm 3 ppm 10 ppm 5 ppm 4 ppm 3 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
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