Waste Water Engineering Lead acetate test in sewer manhole is done to test the presence of Carbondioxide gas Hydrogen sulphide Methane gas Diesel vapours Carbondioxide gas Hydrogen sulphide Methane gas Diesel vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 200 to 300 Less than 150 Between 150 to 200 More than 500 Between 200 to 300 Less than 150 Between 150 to 200 More than 500 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 For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 2 1.5 3 2.5 2 1.5 3 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During preliminary treatment of a sewage All listed here Oil and grease are removed from skimming tanks Floating materials are removed by screening Girt and sand are removed by girt chambers All listed here Oil and grease are removed from skimming tanks Floating materials are removed by screening Girt and sand are removed by girt chambers ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Water content of sewage is about 0.99 0.999 0.9 0.95 0.99 0.999 0.9 0.95 ANSWER DOWNLOAD EXAMIANS APP
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