Waste Water Engineering Hydraulic mean radius is Difference in heads between two points in circular pipes Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter Difference in heads between two points in circular pipes Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Cross-sectional area/wetted perimeter 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 outlet invert level is kept 5 to 7.5 cm below the inlet invert level 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 minimum width of septic level is 90 cm The outlet invert level is kept 5 to 7.5 cm below the inlet invert level 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 20 litres 25 litres 15 litres 10 litres 20 litres 25 litres 15 litres 10 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In Chezy’s formula V = C rs for calculating the velocity of flow in circular sewer of diameter running full, the value of hydraulic mean radius is D/2 D/1 D/3 D/4 D/2 D/1 D/3 D/4 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer ventilating columns are generally placed at Every change in the size of sewers Upper ends of branch sewers Distances 150 m to 300 m All listed here Every change in the size of sewers Upper ends of branch sewers Distances 150 m to 300 m All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Clogging of sewers, is caused due to Greasy and oily matters Silting Low discharge All of these Greasy and oily matters Silting Low discharge All of these ANSWER DOWNLOAD EXAMIANS APP