Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Both types of bacterias None of these Aerobic bacteria Anaerobic bacteria Both types of bacterias None of these Aerobic bacteria Anaerobic bacteria ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Flourish in the presence of free oxygen All of these Consume organic matter as their food Oxidise organic matter in sewage Flourish in the presence of free oxygen All of these Consume organic matter as their food Oxidise organic matter in sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The grit and silt of the grit chambers, may not be used for Neither A nor B Both A and B Raising low lying areas by dumping Concreting Neither A nor B Both A and B Raising low lying areas by dumping Concreting ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For drainage pipes in buildings the test applied before putting them to use, is Water test All listed here Smoke test Straightness test Water test All listed here Smoke test Straightness test ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration for the areas as 30 minutes and using the formula Ps = 900/(t + 60) the maximum run off is 0.10 cumec 0.12 cumec 0.15 cumec 0.20 cumec 0.10 cumec 0.12 cumec 0.15 cumec 0.20 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The maximum spacing of manholes specified by Indian standard in sewers upto 0.3 m diameter is 20 m 75 m 30 m 45 m 20 m 75 m 30 m 45 m ANSWER DOWNLOAD EXAMIANS APP
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