Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by Screening Oxidation All listed here Sedimentation Screening Oxidation All listed here Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 24 to 36 hours 4 to 8 hours 8 to 16 hours 16 to 24 hours 24 to 36 hours 4 to 8 hours 8 to 16 hours 16 to 24 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In areas where rainy season is limited to a few months, the type of sewerage system recommended is Partially separate system None of these Combined system Separate system Partially separate system None of these Combined system Separate system ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewage, the solids in mg per litre is 1000 to 1500 100 to 500 500 to 1000 1500 to 2000 1000 to 1500 100 to 500 500 to 1000 1500 to 2000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? 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 The outlet invert level is kept 5 to 7.5 cm below the inlet invert level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If D is the diameter of a circular sewer and D’ is the top horizontal diameter of an equivalent egg shaped section, the relationship which holds good, is D’ = 0.94 D D’ = 0.84 D D’ = 0.64 D D’ = 0.74 D D’ = 0.94 D D’ = 0.84 D D’ = 0.64 D D’ = 0.74 D ANSWER DOWNLOAD EXAMIANS APP