Waste Water Engineering A safety lamp when inserted in the upper portion of a manhole causes flames. It indicates the presence of Carbondioxide gas Hydrogen sulphide gas Methane gas Petrol vapours Carbondioxide gas Hydrogen sulphide gas Methane gas Petrol vapours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars of perforations of fine screens used for the treatment of sewage, is 8 to 10 mm 2 to 3 mm 5 to 8 mm 3 to 5 mm 8 to 10 mm 2 to 3 mm 5 to 8 mm 3 to 5 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most effective arrangement for diverting excess storm water into a natural drainage, is Leaping weir None of these Siphon spill way Overflow weir Leaping weir None of these Siphon spill way Overflow weir ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Sediments Hardness Bacterias Suspended solids Sediments Hardness Bacterias Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The temperature affects the Biological activity of bacteria in sewage Solubility of gases in sewage All of these Viscosity of sewage Biological activity of bacteria in sewage Solubility of gases in sewage All of these Viscosity of sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Carbon monoxide Carbondioxide Ammonia Methane Carbon monoxide Carbondioxide Ammonia Methane ANSWER DOWNLOAD EXAMIANS APP
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