Waste Water Engineering Large diameter sewers subjected to external pressure alone, are reinforced Near the inner surface of the pipe Both A and B Near the outer surface of the pipe With elliptical cage Near the inner surface of the pipe Both A and B Near the outer surface of the pipe With elliptical cage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, Neither silting nor scouring occurs at the bottom Both silting and scouring occur at the bottom The bottom is silted The bottom is scoured Neither silting nor scouring occurs at the bottom Both silting and scouring occur at the bottom The bottom is silted The bottom is scoured ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Circular septic tanks Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular Imhoff double tanks with bottom hoppers Circular septic tanks Rectangular septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering As compared to fresh river water, sea water contains oxygen 10% less 10% more 20% more 20% less 10% less 10% more 20% more 20% less ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For efficient working of a sewer, it must be ensured that A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Both (A) and (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Neither (A) nor (B) A maximum velocity of 0.90 m/sec, is maintained at its maximum flow Both (A) and (B) Minimum velocity of 0.45 m/sec, is maintained at its minimum flow Neither (A) nor (B) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Oxygen Sulphur-dioxide Nitrogen Carbondioxide Oxygen Sulphur-dioxide Nitrogen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP