Waste Water Engineering During preliminary treatment of a sewage Floating materials are removed by screening Oil and grease are removed from skimming tanks All listed here Girt and sand are removed by girt chambers Floating materials are removed by screening Oil and grease are removed from skimming tanks All listed here Girt and sand are removed by girt chambers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer manholes are generally provided at The change of direction The junctions of sewers All of these The change of gradient The change of direction The junctions of sewers All of these The change of gradient ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm All listed here The baffles or tees are extended up to top level of scum Free board of 0.3 m may be provided The clear space between the baffle top and covering slab is about 7.5 cm All listed here The baffles or tees are extended up to top level of scum ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A sewer pipe contains 1 mm sand particles of specific gravity 2.65 and 5 mm organic particles of specific gravity 1.2, the minimum velocity required for removing the sewerage, is 0.45 m/sec 0.40 m/sec 0.30 m/sec 0.35 m/sec 0.45 m/sec 0.40 m/sec 0.30 m/sec 0.35 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers designed with self cleansing velocity, 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 Neither silting nor scouring occurs at the bottom Both silting and scouring occur at the bottom ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Nitrogen cycle of sewage, is Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates Liberation of ammonia-formation of nitrites-formation of nitrates-liberation of nitrogen Liberation of nitrogen-formation of nitrates-formation of nitrites-liberation of ammonia Liberation of nitrogen-liberation of ammonia-formation of nitrites- formation of nitrates Formation of nitrates-formation of nitrites-liberation of nitrates-liberation of nitrates ANSWER DOWNLOAD EXAMIANS APP
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