Waste Water Engineering The rate of accumulation of sludge per person per year, is 20 litres 10 litres 15 litres 25 litres 20 litres 10 litres 15 litres 25 litres ANSWER DOWNLOAD EXAMIANS APP
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 depth of tank is kept equal to its width 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 outlet invert level is kept 5 to 7.5 cm below the inlet invert level The depth of tank is kept equal to its width 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 40 mm 30 mm 50 mm 20 mm 40 mm 30 mm 50 mm 20 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For detecting the nitrites in the sewage, the matching colour may be developed by adding None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide None of these Potassium permanganate Sulphuric acid and napthamine Phenol-di -sulphuric acid potassium hydroxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Perpendicular to the direction of flow Parallel to the direction of flow At an angle 30° to 60° to the direction of flow None of these Perpendicular to the direction of flow Parallel to the direction of flow At an angle 30° to 60° to the direction of flow None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage having fully oxidised organic matter, the nitrogen exists in the form of Nitrites Free ammonia Aluminoid nitrogen Nitrates Nitrites Free ammonia Aluminoid nitrogen Nitrates ANSWER DOWNLOAD EXAMIANS APP