Waste Water Engineering Which one of the following statements regarding septic tanks is wrong? 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 minimum width of septic level is 90 cm 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 A gap of 7.5 cm between the bottom of the covering slab and the top level of scum is provided The minimum width of septic level is 90 cm The outlet invert level is kept 5 to 7.5 cm below the inlet invert level ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering With self cleansing velocity in sewers Neither silting nor scouring occurs at bottom Silting occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom Neither silting nor scouring occurs at bottom Silting occurs at bottom Scouring occurs at bottom Both silting and scouring occur at bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 10 ppm 3 ppm 5 ppm 4 ppm 10 ppm 3 ppm 5 ppm 4 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called Inverted syphon Depressed sewer all of these Sag pipe Inverted syphon Depressed sewer all of these Sag pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering depends upon The Chezy’s constant C in the formula V = C Roughness of sewer surface Shape of the sewer All listed here Size of the sewer Roughness of sewer surface Shape of the sewer All listed here Size of the sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the Biological activity of bacteria in sewage Solubility of gases in sewage Viscosity of sewage All of these Biological activity of bacteria in sewage Solubility of gases in sewage Viscosity of sewage All of these ANSWER DOWNLOAD EXAMIANS APP
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