Waste Water Engineering Design period of 40 to 50 years is adopted for Main sewers Trunk sewers All listed here Branch sewers Main sewers Trunk sewers All listed here Branch sewers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the Solubility of gases in sewage Viscosity of sewage All of these Biological activity of bacteria in sewage Solubility of gases in sewage Viscosity of sewage All of these Biological activity of bacteria in sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 100 ppm 200 ppm 50 ppm 150 ppm 100 ppm 200 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage discharge in a detritus tank of a treatment plant is 576 litres/sec with flow velocity of 0.2 m/sec. If the ratio of width to depth is 2, the depth is 150 cm 100 cm 120 cm 110 cm 150 cm 100 cm 120 cm 110 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is 20% of the design discharge Slightly more than 5% of the design discharge None of these Slightly less than 5% of the design discharge 20% of the design discharge Slightly more than 5% of the design discharge None of these Slightly less than 5% of the design discharge 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
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