Waste Water Engineering The sewers All listed here Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements All listed here Must be of adequate size to avoid over flow Must flow under gravity ½ to ¾ full Must be laid at least 2 to 3 m deep to collect /water from the basements 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
Waste Water Engineering The most widely used pump for lifting sewage is Centrifugal pump Reciprocating pump Pneumatic ejector Air pressure pump Centrifugal pump Reciprocating pump Pneumatic ejector Air pressure pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 30 days 20 days 60 days 10 days 30 days 20 days 60 days 10 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Chezy’s formula Kutter’s formula Manning’s formula Bazin’s formula Chezy’s formula Kutter’s formula Manning’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A manhole is generally provided at each All of these Bend Junction Change of gradient All of these Bend Junction Change of gradient ANSWER DOWNLOAD EXAMIANS APP