Waste Water Engineering During preliminary treatment of a sewage Floating materials are removed by screening Oil and grease are removed from skimming tanks Girt and sand are removed by girt chambers All listed here Floating materials are removed by screening Oil and grease are removed from skimming tanks Girt and sand are removed by girt chambers All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the pH value of sewage is 7 It is alkaline None of these It is neutral It is acidic It is alkaline None of these It is neutral It is acidic ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Kutter’s formula Manning’s formula Bazin’s formula Chezy’s formula Kutter’s formula Manning’s formula Bazin’s formula Chezy’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.99 0.999 0.95 0.9 0.99 0.999 0.95 0.9 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a continuous flow type of sedimentation tanks Width of the tank is normally kept about 6 m Length of the tank is normally kept 4 to 5 times the width Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here Width of the tank is normally kept about 6 m Length of the tank is normally kept 4 to 5 times the width Maximum horizontal flow velocity is limited to 0.3 m/minute All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are All of these Light in weight Susceptible to corrosion by sulphuric acid Not structurally strong to bear large compressive stress All of these Light in weight Susceptible to corrosion by sulphuric acid Not structurally strong to bear large compressive stress ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS