Waste Water Engineering If D.O. concentration falls down to zero in any natural drainage, it indicates the zone of Cleaner water Active decomposition Recovery Degradation Cleaner water Active decomposition Recovery Degradation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement of a particle in sedimentation tank, is affected by Size and shape of solid Viscosity of water All listed here Velocity of flow Size and shape of solid Viscosity of water All listed here Velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer pipe which carries sewage from a building for immediate disposal is House sewer Main sewer Lateral sewer Intercepting sewer House sewer Main sewer Lateral sewer Intercepting sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is None of these Slightly more than 5% of the design discharge 20% of the design discharge Slightly less than 5% of the design discharge None of these Slightly more than 5% of the design discharge 20% of the design discharge Slightly less than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Circular Parabolic Rectangular New egged Circular Parabolic Rectangular New egged ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 250 ppm 225 ppm None of these 200 ppm 250 ppm 225 ppm None of these 200 ppm ANSWER DOWNLOAD EXAMIANS APP
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