Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 40 cm 50 cm 20 cm 25 cm 40 cm 50 cm 20 cm 25 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering An inverted siphon is designed generally for One pipe Four pipes Three pipes Two pipes One pipe Four pipes Three pipes Two pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In freshly produced sewage In sewer treatment plants None of these At sewer pipes In freshly produced sewage In sewer treatment plants None of these At sewer pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel from top surface to bottom sludge zone The flow of sewage to fill the tank A particle to travel along its length None of these A particle to travel from top surface to bottom sludge zone The flow of sewage to fill the tank A particle to travel along its length None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ‘Cowl’ is provided at Upper end of the manhole First step in manhole Upper end of ventilating column Lower end of ventilating column Upper end of the manhole First step in manhole Upper end of ventilating column Lower end of ventilating column ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula ANSWER DOWNLOAD EXAMIANS APP
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