Waste Water Engineering Hydraulic mean radius is Mean of radii in a pipe line of varying cross -sections Mean radius of sewer Difference in heads between two points in circular pipes Cross-sectional area/wetted perimeter Mean of radii in a pipe line of varying cross -sections Mean radius of sewer Difference in heads between two points in circular pipes Cross-sectional area/wetted perimeter ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, Neither silting nor scouring occurs at the bottom The bottom is scoured Both silting and scouring occur at the bottom The bottom is silted Neither silting nor scouring occurs at the bottom The bottom is scoured Both silting and scouring occur at the bottom The bottom is silted ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) None of these Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) None of these Chemical Oxygen Demand (C.O.D.) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk and out-fall, the type of sewers generally used, is Circular shaped Standard egg shaped Parabolic shaped Horse shoe shaped Circular shaped Standard egg shaped Parabolic shaped Horse shoe shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.55 0.5 0.6 0.45 0.55 0.5 0.6 0.45 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The flow velocity in detritus tanks is None of these 0.05 m/sec 1.25 m/sec 0.09 m/sec None of these 0.05 m/sec 1.25 m/sec 0.09 m/sec ANSWER DOWNLOAD EXAMIANS APP