Waste Water Engineering The sewage treatment in septic tanks is due to Parasitic decomposition None of these Anaerobic decomposition Aerobic decomposition Parasitic decomposition None of these Anaerobic decomposition Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2.5 2 3 1.5 2.5 2 3 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement of a particle in sedimentation tank, is affected by All listed here Viscosity of water Size and shape of solid Velocity of flow All listed here Viscosity of water Size and shape of solid Velocity of flow ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is 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 None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is 0.5 0.05 0.1 0.25 0.5 0.05 0.1 0.25 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be 1.2 m > 1.5 m 0.9 cm 1.5 m 1.2 m > 1.5 m 0.9 cm 1.5 m ANSWER DOWNLOAD EXAMIANS APP