Waste Water Engineering A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is 100 10000 1000 5000 100 10000 1000 5000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed Less than the rate of water supply Equal to the rate of water supply More than the rate of water supply At 150 litres per capita Less than the rate of water supply Equal to the rate of water supply More than the rate of water supply At 150 litres per capita ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Hydraulic mean radius is Cross-sectional area/wetted perimeter Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes Cross-sectional area/wetted perimeter Mean radius of sewer Mean of radii in a pipe line of varying cross -sections Difference in heads between two points in circular pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A circular sewer section is preferred to because It provides maximum hydraulic mean depth It is cheaper in construction It provides maximum area for a given perimeter All listed here It provides maximum hydraulic mean depth It is cheaper in construction It provides maximum area for a given perimeter All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipes Are designed for generating self-cleansing velocities at different discharge Should resist the wear and tear caused due to abrasion Carry sewage as gravity conduits All listed here Are designed for generating self-cleansing velocities at different discharge Should resist the wear and tear caused due to abrasion Carry sewage as gravity conduits All listed here ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the discharge of a sewer running half is 628 1.p.s., i = 0.001, and n = 0.010, the diameter of the sewer, is 1.49 m 1.39 m 1.59 m 1.69 m 1.49 m 1.39 m 1.59 m 1.69 m ANSWER DOWNLOAD EXAMIANS APP
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