Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? 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 The depth of tank is kept equal to its width A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided 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 The depth of tank is kept equal to its width A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The water carried sewerage system removes Storm sewage All listed here Domestic sewage Industrial sewage Storm sewage All listed here Domestic sewage Industrial sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the highest non-scouring velocity is achieved in Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers Glazed bricks sewers Stone ware sewers Cement concrete sewers Cast iron sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 60 days 30 days 15 days 90 days 60 days 30 days 15 days 90 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Skimming tanks are Used to remove the grease and oil Tanks provided with self- cleansing screens Those from which sludge is skimmed out Improved version of grit chambers Used to remove the grease and oil Tanks provided with self- cleansing screens Those from which sludge is skimmed out Improved version of grit chambers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these Phenol-di -sulphuric acid potassium hydroxide Potassium permanganate Sulphuric acid and napthamine None of these ANSWER DOWNLOAD EXAMIANS APP
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