Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced With elliptical cage Both A and B Near the inner surface of the pipe Near the outer surface of the pipe With elliptical cage Both A and B Near the inner surface of the pipe Near the outer surface of the pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of design discharge to the surface area of a sedimentation tank is called Overflow velocity Overflow rate Surface loading All of these Overflow velocity Overflow rate Surface loading All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be Less than 10 m/sec More than the self-cleansing velocity Less than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec More than the self-cleansing velocity Less than the self-cleansing velocity More than 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settlement of a particle in sedimentation tank, is affected by Velocity of flow All listed here Size and shape of solid Viscosity of water Velocity of flow All listed here Size and shape of solid Viscosity of water ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Maximum permissible velocity 1.5 m/sec, is adopted in drains Both A. and B. With beds of rocks and gravels Lined with stones Neither A. nor B. Both A. and B. With beds of rocks and gravels Lined with stones Neither A. nor B. 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 200 ppm None of these 225 ppm 250 ppm 200 ppm None of these 225 ppm ANSWER DOWNLOAD EXAMIANS APP
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